EP1026093A1 - Two-component container and method for making the same - Google Patents

Two-component container and method for making the same Download PDF

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Publication number
EP1026093A1
EP1026093A1 EP99122986A EP99122986A EP1026093A1 EP 1026093 A1 EP1026093 A1 EP 1026093A1 EP 99122986 A EP99122986 A EP 99122986A EP 99122986 A EP99122986 A EP 99122986A EP 1026093 A1 EP1026093 A1 EP 1026093A1
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EP
European Patent Office
Prior art keywords
gas
layer
container
impermeable
permeable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99122986A
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German (de)
French (fr)
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EP1026093B1 (en
Inventor
Peter Lamboy
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Kao Germany GmbH
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Goldwell AG
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Filing date
Publication date
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Publication of EP1026093A1 publication Critical patent/EP1026093A1/en
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Publication of EP1026093B1 publication Critical patent/EP1026093B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02—Internal fittings
    • B65D25/04—Partitions
    • B65D25/08—Partitions with provisions for removing or destroying, e.g. to facilitate mixing of contents
    • B65D25/087—Partitions with provisions for removing or destroying, e.g. to facilitate mixing of contents the partition being in the form of a plug or the like which can be raised off its seat by means of a pull cord or the like, e.g. the plug being connected to the cap
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/08—Coverings or external coatings
    • B65D23/0842—Sheets or tubes applied around the bottle with or without subsequent folding operations
    • B65D23/0878—Shrunk on the bottle

Definitions

  • the invention relates to one piece consisting of two separate departments shaped container that holds two different ones until common Application separately held compositions is intended.
  • Such two-chamber containers have been separate packaging for a long time of differently composed materials and products used together are incompatible or react and therefore only when used with each other may come into contact.
  • reaction adhesives examples include reaction adhesives, compounds for the production of plastic foams, or, in cosmetics, reducing agents for perms and peroxide fixation for this or also oxidation dye precursor compositions and Oxidizing agents for coloring hair.
  • the respective containers are made of different Materials, for example by injection blowing separately, and then produced by a screw, plug or other connection mechanism connected, the separation of the differently composed housed in the container Materials through a stopper, a film, etc. takes place, which then at removed or destroyed when using the materials.
  • the object of the invention is to overcome these disadvantages and to provide a two-chamber packaging that is made in one piece, however, the separate accommodation of different compositions Products allowed that differ in the tightness of the container material Make demands.
  • the inventive solution to this problem consists of a gas permeable Plastic one-piece two-chamber container, one department additionally with at least one layer made of a gas-impermeable plastic is provided, while the second department wholly or at least partially by this gas-impermeable plastic layer remains free.
  • gas-permeable and the gas-impermeable Layer of the container a gas permeable adhesive, for example a crosslinked or ionomeric polyolefin or a carboxylated with maleic anhydride Polyethylene elastomer to be arranged.
  • a gas permeable adhesive for example a crosslinked or ionomeric polyolefin or a carboxylated with maleic anhydride Polyethylene elastomer to be arranged.
  • Suitable materials for producing the gas-permeable base body are in particular Polyethylene and polypropylene.
  • Polyethylene terephthalate is preferably used to apply the gas-impermeable layer (PET), polyvinyl chloride (PVC), polyamide (PA), acrylonitrile / methacrylate copolymers (Barex®), polycarbonate (PC); Poly (ethylene / vinyl alcohol) (EVOH) and / or ionomers, i.e. copolymers crosslinked with carboxyl groups.
  • PET gas-impermeable layer
  • PVC polyvinyl chloride
  • PA polyamide
  • Barex® acrylonitrile / methacrylate copolymers
  • PC polycarbonate
  • EVOH Poly (ethylene / vinyl alcohol)
  • EVOH ethylene / vinyl alcohol
  • the two-chamber container according to the invention is preferably produced in such a way that first an endless hose consisting of at least one gas-permeable Plastic layer such as polyethylene or polypropylene, preferably at least one adhesive layer, and partially at least one layer of gas impermeable Plastic like PET or PVC made by extrusion, and then the two-chamber container is blown from it in such a way that one section of the same complete and the second section partially with the gas impermeable Layer is provided.
  • gas-permeable Plastic layer such as polyethylene or polypropylene
  • adhesive layer preferably at least one adhesive layer
  • the second extruder is controlled so that reduced speed or stopping no or part of a layer of material in the area of the section arises where no or only a partially gas-impermeable coating is desired is.
  • the containers can be opaque or whole by selecting the appropriate material or be partially transparent.
  • FIG. 1 shows a cross section through a two-chamber container 1, which is divided into a section 4 and a section 5 by a stopper 3, which is attached in a constriction 2 and can be removed by central actuation (which is not shown here because it is known per se).
  • the container is formed from a gas-permeable base material 6 and with a Adhesion promoter layer 7 provided.
  • a gas-impermeable barrier layer 8 is extruded thereon, which extends over the entire outer surface of the partial container 5, but only partially over the outer surface of the Partial container 4 extends.
  • Figure 1a is a portion of the container 4 according to section B from FIG. 1, shown again in detail.

Abstract

Container (1) has two separate compartments (4, 5) made of a gas permeable plastic (6). One also has a gas impermeable plastic layer (8). An Independent claim is also included for making the container by extrusion blowing. The further layer (8) is added later, to cover one of the compartments completely. Preferred Features: The other compartment is at least part covered with a gas impermeable plastic. Between this and the permeable plastic, an inert, intermediate layer of bonding agent (7) is optionally added.

Description

Die Erfindung betrifft einen aus zwei getrennten Abteilungen bestehenden einstückig geformten Behälter, der zur Aufnahme von zwei unterschiedlichen, bis zur gemeinsamen Anwendung getrennt gehaltenen Zusammensetzungen bestimmt ist.The invention relates to one piece consisting of two separate departments shaped container that holds two different ones until common Application separately held compositions is intended.

Derartige Zweikammerbehälter werden seit längerer Zeit zur getrennten Verpackung von unterschiedlich zusammengesetzten Materialien und Produkten benutzt, die miteinander inkompatibel sind oder reagieren und daher erst bei der Anwendung miteinander in Berührung geraten dürfen.Such two-chamber containers have been separate packaging for a long time of differently composed materials and products used together are incompatible or react and therefore only when used with each other may come into contact.

Beispiele hierfür sind Reaktionskleber, Verbindungen zur Herstellung von Kunststoffschäumen, oder, in der Kosmetik, Reduktionsmittel für Dauerwellen und die Peroxidfixierung hierfür oder auch Oxidationsfarbstoff-Vorproduktzusammensetzungen und Oxidationsmittel hierfür zur Färbung von Haaren.Examples of this are reaction adhesives, compounds for the production of plastic foams, or, in cosmetics, reducing agents for perms and peroxide fixation for this or also oxidation dye precursor compositions and Oxidizing agents for coloring hair.

Da an diese unterschiedlich zusammengesetzten Füllgüter auch häufig unterschiedliche Anforderungen hinsichtlich der Dichtigkeit des Behältermaterials gestellt werden müssen, werden in diesen Fällen die jeweiligen Behältnisse aus unterschiedlichen Materialien, beispielsweise durch Spritzblasen separat, hergestellt und dann mittels eines Schraub-, Steck- oder sonstigen Verbindungsmechanismusses verbunden, wobei die Trennung der in dem Behälter untergebrachten unterschiedlich zusammengesetzten Materialien durch einen Stopfen, eine Folie u.ä. erfolgt, die dann bei der Anwendung der Materialien entfernt oder zerstört werden.Because these differently composed fillings are often different Requirements regarding the tightness of the container material are made in these cases, the respective containers are made of different Materials, for example by injection blowing separately, and then produced by a screw, plug or other connection mechanism connected, the separation of the differently composed housed in the container Materials through a stopper, a film, etc. takes place, which then at removed or destroyed when using the materials.

Diese bekannten Zweikammerbehältnisse lassen sich daher nicht einstückig in einem Arbeitsgang herstellen und müssen in einem weiteren Vorgang miteinander verbunden werden. These known two-chamber containers can therefore not be made in one piece Manufacturing process and must be in a further process with each other get connected.

Die Erfindung geht von der Aufgabenstellung aus, diese Nachteile zu überwinden und eine Zweikammerverpackung zur Verfügung zu stellen, die einteilig gefertigt ist, jedoch gleichwohl die separate Unterbringung von unterschiedlich zusammengesetzten Produkten gestattet, die an die Dichtigkeit des Behältermaterials unterschiedliche Anforderungen stellen.The object of the invention is to overcome these disadvantages and to provide a two-chamber packaging that is made in one piece, however, the separate accommodation of different compositions Products allowed that differ in the tightness of the container material Make demands.

Die erfinderische Lösung dieser Aufgabe besteht in einem aus einem gasdurchlässigen Kunststoff einstückig gefertigten Zweikammerbehältnis, dessen eine Abteilung zusätzlich mit mindestens einer Schicht aus einem gasundurchlässigen Kunststoff versehen ist, während die zweite Abteilung ganz oder zumindest teilweise von dieser gasundurchlässigen Kunststoffschicht frei bleibt.The inventive solution to this problem consists of a gas permeable Plastic one-piece two-chamber container, one department additionally with at least one layer made of a gas-impermeable plastic is provided, while the second department wholly or at least partially by this gas-impermeable plastic layer remains free.

Auf diese Weise ist es möglich, in dem gasundurchlässigen Behälter ein Füllgut, beispielsweise eine Oxidationsfarbstoff-Vorproduktlösung zur Herstellung eines Haarfärbemittels, das vor der Anwendung sauerstoffdicht abgeschlossen sein muß, unterzubringen, während im anderen, zumindest teilweise gasdurchlässigen Behälter eine Zusammensetzung untergebracht ist, die nicht luftempfindlich ist bzw. sogar, zur Vermeidung eines Überdrucks, in situ entwickeltes Gas nach außen entweichen lassen kann, beispielsweise eine wäßrige Peroxid-Zusammensetzung.In this way it is possible to fill, for example, a filling material in the gas-impermeable container an oxidation dye precursor solution for the production of a hair dye, that must be sealed oxygen-tight before use, while in the other, at least partially gas-permeable container a composition is housed that is not sensitive to air or even to Avoid overpressure, allow gas developed in situ to escape to the outside can, for example, an aqueous peroxide composition.

Die Trennung der Kammern des einstückig gefertigten Zweikomponentenbehältnisses erfolgt dabei in an sich bekannter Weise durch Verschlußmittel, die bei der Anwendung entfernt oder zerstört werden.The separation of the chambers of the one-piece two-component container takes place in a manner known per se by closure means which are used removed or destroyed.

Es ist zweckmäßig, zwischen der gasdurchlässigen und der gasundurchlässigen Schicht des Behälters einen ebenfalls gasdurchlässigen Haftvermittler, beispielsweise ein vernetztes oder ionomeres Polyolefin oder ein mit Maleinsäureanhydrid carboxyliertes Polyethylen-Elastomer, anzuordnen.It is appropriate to choose between the gas-permeable and the gas-impermeable Layer of the container a gas permeable adhesive, for example a crosslinked or ionomeric polyolefin or a carboxylated with maleic anhydride Polyethylene elastomer to be arranged.

Es ist natürlich auch möglich, mehrere Schichten aus gasdurch- und gasundurchlässigem Material und Haftvermittlern anzubringen, vorausgesetzt, daß immer zumindest ein Teil einer der beiden Behälterkammern frei von jedweder gasundurchlässigen Schicht ist.It is of course also possible to have several layers of gas-permeable and gas-impermeable Attach material and adhesion promoters, provided that at least always part of one of the two container chambers free of any gas impermeable Layer is.

Geeignete Materialien zur Herstellung des gasdurchlässigen Grundkörpers sind insbesondere Polyethylen und Polypropylen. Suitable materials for producing the gas-permeable base body are in particular Polyethylene and polypropylene.

Zur Aufbringung der gasundurchlässigen Schicht werden vorzugsweise Polyethylenterephthalat (PET), Polyvinylchlorid (PVC), Polyamid (PA), Acrylnitril/Methacrylat-Copolymerisate (Barex®), Polycarbonat (PC); Poly(Ethylen/Vinylalkohol) (EVOH) und/oder lonomere, d.h. mit Carboxylgruppen vernetzte Copolymere, eingesetzt.Polyethylene terephthalate is preferably used to apply the gas-impermeable layer (PET), polyvinyl chloride (PVC), polyamide (PA), acrylonitrile / methacrylate copolymers (Barex®), polycarbonate (PC); Poly (ethylene / vinyl alcohol) (EVOH) and / or ionomers, i.e. copolymers crosslinked with carboxyl groups.

Die Herstellung des erfindungsgemäßen Zweikammerbehältnisses erfolgt vorzugsweise dergestalt, daß zunächst ein Endlosschlauch, der aus mindestens einer gasdurchlässigen Kunststoffschicht wie Polyethylen oder Polypropylen, vorzugsweise mindestens einer Haftschicht, und partiell mindestens einer Schicht aus gasundurchlässigem Kunststoff wie PET oder PVC durch Extrudieren hergestellt, und dann daraus das Zweikammerbehältnis so geblasen wird, daß die eine Abteilung desselben vollständig und die zweite Abteilung allenfalls partiell mit der gasundurchlässigen Schicht versehen ist.The two-chamber container according to the invention is preferably produced in such a way that first an endless hose consisting of at least one gas-permeable Plastic layer such as polyethylene or polypropylene, preferably at least one adhesive layer, and partially at least one layer of gas impermeable Plastic like PET or PVC made by extrusion, and then the two-chamber container is blown from it in such a way that one section of the same complete and the second section partially with the gas impermeable Layer is provided.

Der zweite Extruder wird dabei so gesteuert, daß durch verringerte Geschwindigkeit oder Anhalten keine oder teilweise eine Materialschicht im Bereich des Abschnitts entsteht, wo keine oder nur eine teilweise gasundurchlässige Beschichtung erwünscht ist.The second extruder is controlled so that reduced speed or stopping no or part of a layer of material in the area of the section arises where no or only a partially gas-impermeable coating is desired is.

Die Behältnisse können, durch Auswahl des geeigneten Materials, opak oder ganz bzw. teilweise transparent sein.The containers can be opaque or whole by selecting the appropriate material or be partially transparent.

Ein Ausführungsbeispiel eines erfindungsgemäßen Zweikomponentenbehältnisses ist in den im folgenden beschriebenen Figuren dargestellt:
Figur 1 zeigt einen Querschnitt durch einen Zweikammerbehälter 1, der durch einen in einer Verengung 2 angebrachten, durch zentrale Betätigung (die hier nicht näher dargestellt ist, da an sich bekannt) entfernbaren Stopfen 3 in eine Abteilung 4 und eine Abteilung 5 geteilt ist.An embodiment of a two-component container according to the invention is shown in the figures described below:
FIG. 1 shows a cross section through a two-chamber container 1, which is divided into a section 4 and a section 5 by a stopper 3, which is attached in a constriction 2 and can be removed by central actuation (which is not shown here because it is known per se).

Der Behälter ist aus einem gasdurchlässigem Basismaterial 6 geformt und mit einer Haftvermittlerschicht 7 versehen.The container is formed from a gas-permeable base material 6 and with a Adhesion promoter layer 7 provided.

Darauf ist eine gasundurchlässige Sperrschicht 8 extrudiert, die sich über die Gesamtaußenfläche des Teilbehälters 5, jedoch nur teilweise über die Außenfläche des Teilbehälters 4 erstreckt. Diese ist in der Figur 1a, die einen Teilbereich des Behälters 4 gemäß dem Ausschnitt B aus Figur 1 zeigt, nochmals detailliert dargestellt. A gas-impermeable barrier layer 8 is extruded thereon, which extends over the entire outer surface of the partial container 5, but only partially over the outer surface of the Partial container 4 extends. This is in Figure 1a, which is a portion of the container 4 according to section B from FIG. 1, shown again in detail.

In den unteren Behälterteil 6 wird nun beispielsweise ein luftdicht zu haltendes Oxidationsfarbstoff-Vorprodukt eingebracht, in den oberen Behälterteil 5, der eine Sauerstoffmigration gestattet, eine wäßrige Wasserstoffperoxid-Lösung.In the lower container part 6, for example, an oxidation dye precursor to be kept airtight introduced into the upper container part 5, which is an oxygen migration allowed an aqueous hydrogen peroxide solution.

Unmittelbar vor der Applikation auf das menschliche Haar wird der die Verengung 2 verschließende Stopfen 3 durch Betätigung eines an sich bekannten und daher nicht dargestellten Verschlusses entfernt, so daß der Inhalt der Abteilungen 4 und 5 zu einem gebrauchsfertigen Haarfärbemittel vermischt werden kann.Immediately before application to human hair, the narrowing becomes 2 closing plug 3 by actuating a known and therefore not shown closure removed, so that the content of departments 4 and 5 to a ready-to-use hair dye can be mixed.

Claims (4)

Zweikomponenten-Behältnis zur separaten Unterbringung von bis zu ihrer gemeinsamen Anwendung durch Vermischen getrennt zu haltenden, unterschiedlich zusammengesetzten Füllgütern, dadurch gekennzeichnet, daß das Behältnis aus zwei getrennten, einstückig hergestellten Abteilungen besteht, die aus mindestens einem gasdurchlässigem Kunststoffmaterial gefertigt sind, wobei eine der beiden Abteilungen zusätzlich vollständig mit mindestens einer weiteren gasundurchlässigen Kunststoffschicht versehen ist.Two-component container for separate storage of up to their common Application to be kept separate by mixing, different composite filling goods, characterized in that the container two separate, one-piece departments consisting of at least are made of a gas-permeable plastic material, one of the two Departments additionally completely with at least one other gas impermeable Plastic layer is provided. Behältnis nach Anspruch 1, dadurch gekennzeichnet, daß die andere Abteilung teilweise mit mindestens einer gasundurchlässige Kunststoffschicht versehen ist.Container according to claim 1, characterized in that the other department is partially provided with at least one gas-impermeable plastic layer. Behältnis nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwischen dem gasdurchlässigen und dem gasundurchlässigen Kunststoffmaterial eine inerte, aus einem Haftvermittler bestehende Zwischenschicht angeordnet ist.Container according to claim 1 or 2, characterized in that between the gas-permeable and the gas-impermeable plastic material an inert, intermediate layer consisting of an adhesion promoter is arranged. Verfahren zur Herstellung eines Zweikomponentenbehältnisses nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß durch Co-Extrusion ein Endlosschlauch hergestellt wird, der aus mindestens einer Schicht aus gasdurchlässigem Kunststoff, auf die gegebenenfalls mindestens eine Haftschicht aufgebracht ist, und partiell aus mindestens einer weiteren Schicht aus gasundurchlässigem Kunststoff besteht, und das Zweikammerbehältnis daraus so geblasen wird, daß die ein Abteilung desselben vollständig und die zweite Abteilung nicht oder nur partiell mit der gasundurchlässigen Schicht versehen ist.Method for producing a two-component container according to one or several of claims 1 to 3, characterized in that by co-extrusion an endless tube is made up of at least one layer made of gas-permeable plastic, optionally with at least one adhesive layer is applied, and partially from at least one further layer gas-impermeable plastic, and the two-chamber container from it it is blown that one section of the same is completely and the second section is not or only partially provided with the gas impermeable layer.
EP99122986A 1999-01-26 1999-11-19 Two-component container and method for making the same Expired - Lifetime EP1026093B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19902962A DE19902962C1 (en) 1999-01-26 1999-01-26 Container, for two separate materials to be mixed for application, is extrusion blown in single operation, followed by addition of impermeable layer
DE19902962 1999-01-26

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Publication Number Publication Date
EP1026093A1 true EP1026093A1 (en) 2000-08-09
EP1026093B1 EP1026093B1 (en) 2001-05-23

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EP99122986A Expired - Lifetime EP1026093B1 (en) 1999-01-26 1999-11-19 Two-component container and method for making the same

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EP (1) EP1026093B1 (en)
AT (1) ATE201369T1 (en)
DE (2) DE19902962C1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015214146A1 (en) 2015-07-27 2017-02-02 Beiersdorf Ag Sweat reducing cosmetic preparation
WO2017016860A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Antiperspirant
DE102015214137A1 (en) 2015-07-27 2017-02-02 Beiersdorf Ag Sweat reducing cosmetic preparation
WO2017016859A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Antiperspirant

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH705601A1 (en) * 2011-10-11 2013-04-15 Laurent Clerc Packing device for packaging food i.e. sandwich, has compartments comprising co-operation units that are arranged to operate relative positioning of food in one of compartments with respect to food of other compartment

Citations (3)

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Publication number Priority date Publication date Assignee Title
DE3528525A1 (en) * 1985-08-08 1987-02-19 Goldwell Gmbh Twin-chamber container
US4823946A (en) * 1987-07-07 1989-04-25 Henkel Kommanditgesellschaft Auf Aktien Two-compartment container
US5759650A (en) * 1994-12-22 1998-06-02 Plicon Bloomin lid controlled atmosphere package

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4326152A1 (en) * 1993-08-04 1995-02-09 Goldwell Ag Twin-chamber package

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3528525A1 (en) * 1985-08-08 1987-02-19 Goldwell Gmbh Twin-chamber container
US4823946A (en) * 1987-07-07 1989-04-25 Henkel Kommanditgesellschaft Auf Aktien Two-compartment container
US5759650A (en) * 1994-12-22 1998-06-02 Plicon Bloomin lid controlled atmosphere package

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015214146A1 (en) 2015-07-27 2017-02-02 Beiersdorf Ag Sweat reducing cosmetic preparation
WO2017016860A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Antiperspirant
DE102015214137A1 (en) 2015-07-27 2017-02-02 Beiersdorf Ag Sweat reducing cosmetic preparation
WO2017016856A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Sweat-reducing cosmetic preparation
WO2017016859A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Antiperspirant
WO2017016861A1 (en) * 2015-07-27 2017-02-02 Beiersdorf Ag Antiperspirant
JP2018521099A (en) * 2015-07-27 2018-08-02 バイエルスドルフ・アクチエンゲゼルシヤフトＢｅｉｅｒｓｄｏｒｆ ＡＧ Cosmetic formulations that reduce sweat

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ATE201369T1 (en) 2001-06-15
EP1026093B1 (en) 2001-05-23
DE19902962C1 (en) 2000-07-06
DE59900100D1 (en) 2001-06-28

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