CA2536699A1 - Anti-virus hydrophilic polymeric material - Google Patents

Anti-virus hydrophilic polymeric material Download PDF

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Publication number
CA2536699A1
CA2536699A1 CA002536699A CA2536699A CA2536699A1 CA 2536699 A1 CA2536699 A1 CA 2536699A1 CA 002536699 A CA002536699 A CA 002536699A CA 2536699 A CA2536699 A CA 2536699A CA 2536699 A1 CA2536699 A1 CA 2536699A1
Authority
CA
Canada
Prior art keywords
polymeric material
hydrophilic polymeric
water
insoluble particles
inactivation
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
CA002536699A
Other languages
French (fr)
Other versions
CA2536699C (en
Inventor
Jeffrey Gabbay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cupron Inc
Original Assignee
The Cupron Corporation
Jeffrey Gabbay
Cupron Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from IL15762503A external-priority patent/IL157625A0/en
Application filed by The Cupron Corporation, Jeffrey Gabbay, Cupron Inc. filed Critical The Cupron Corporation
Publication of CA2536699A1 publication Critical patent/CA2536699A1/en
Application granted granted Critical
Publication of CA2536699C publication Critical patent/CA2536699C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N59/00—Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
    • A01N59/16—Heavy metals; Compounds thereof
    • A01N59/20—Copper
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • A01N25/10—Macromolecular compounds
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K33/00—Medicinal preparations containing inorganic active ingredients
    • A61K33/24—Heavy metals; Compounds thereof
    • A61K33/34—Copper; Compounds thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/10—Encapsulated ingredients
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
    • D06M23/12—Processes in which the treating agent is incorporated in microcapsules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/015—Biocides
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention provides a method for imparting antiviral properties to a hydrophilic polymeric material comprising preparing a hydrophilic polymeric slurry, dispersing an ionic copper powder mixture containing cuprous oxide and cupric oxide in said slurry and then extruding or molding said slurry to form a hydrophilic polymeric material, wherein water-insoluble particles that release both Cu++ and Cu+ are directly and completely encapsulated within said hydrophilic polymeric material.

Claims (28)

1. A method for imparting antiviral properties to a hydrophilic polymeric material comprising preparing a hydrophilic polymeric slurry, dispersing an ionic copper powder mixture containing cuprous oxide and cupric oxide in said slurry and then extruding or molding said slurry to form a hydrophilic polymeric material, wherein water-insoluble particles that release both Cu++ and Cu+ are directly and completely encapsulated within said hydrophilic polymeric material.
2. A method according to claim 1 wherein said ionic copper powder mixture is prepared by oxidation-reduction.
3. A method according to claim 2 wherein said reduction is carried out using formaldehyde as a reductant.
4. A hydrophilic polymeric material for inactivation of a virus comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material and are the primary active component therein.
5. A hydrophilic polymeric material for inactivation of a virus according to claim 4 wherein said particles are of a size of between about 1 and 10 microns.
6. A hydrophilic polymeric material for inactivation of a virus according to claim 4 wherein said particles are present within said hydrophilic material in a concentration of about 1 to 3 w/w%.
7. A hydrophilic polymeric material for inactivation of a virus according to claim 4, wherein said hydrophilic polymeric material is selected from the group consisting of latex, nitrite, acrylics, polyvinyl alcohol and silastic rubber.
8. A hydrophilic polymeric material for inactivation of a virus according to claim 4, wherein said polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
9. A hydrophilic polymeric material for inactivation of a virus according to claim 8, wherein said at least one layer and said second layer are formed of the same polymeric material.
10. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a nipple or nipple shield formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
11. A device according to claim 10, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu+~ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
12. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a bag formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
13. A device according to claim 12, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
14. A device for the inactivation of a virus brought in contact therewith according to claim 12 wherein said bag is a blood storage bag.
15. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a tube formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
16. A device according to claim 15, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
17. A device for the inactivation of a virus brought in contact therewith according to claim 15 wherein said tube is a tube for transfer of body fluids.
18. A device according to claim 15 for the inactivation of a virus contained in a fluid flowing there through wherein said tube is provided with projections extending into the lumen thereof in order to cause mixing of the fluid flowing there through to assure contact of all of said fluid with surfaces of said polymeric material.
19. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a condom formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material and are the primary active component therein.
20. A device according to claim 19, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
21. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a diaphragm formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
22. A device according to claim 21, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
23. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a glove formed from a hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
24. A device according to claim 23, wherein said hydrophilic polymeric material is a multi-layered, polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
25. A device for the inactivation of a virus brought in contact therewith, wherein said device is in the form of a glove formed from a hydrophilic polymeric material and coated with a thin layer of a further hydrophilic polymeric material, said further hydrophilic polymeric material comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material.
26. A device according to claim 25, wherein said hydrophilic polymeric material is a multi-layered polymeric material comprising at least one layer provided with water-insoluble particles that release both Cu++ and Cu+ which are directly and completely encapsulated within said hydrophilic polymeric layer and a second hydrophilic polymeric layer which is substantially free of such water-insoluble particles.
27. A hydrophilic polymeric material for inactivation of a virus comprising a mixture of water-insoluble particles that release both Cu++ and Cu+, which particles are directly and completely encapsulated within said hydrophilic polymeric material and are the sole antiviral component therein.
28. A hydrophilic polymeric material for inactivation of a virus according to claim 27 wherein said polymeric material is in the form of a film.
CA2536699A 2003-08-28 2004-07-20 Anti-virus hydrophilic polymeric material Expired - Fee Related CA2536699C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
IL15762503A IL157625A0 (en) 2003-08-28 2003-08-28 Anti-virus hydrophilic polymeric material
IL157,625 2003-08-28
US10/752,938 2004-01-06
US10/752,938 US20050049370A1 (en) 2003-08-28 2004-01-06 Anti-virus hydrophilic polymeric material
US10/772,890 2004-02-04
US10/772,890 US7364756B2 (en) 2003-08-28 2004-02-04 Anti-virus hydrophilic polymeric material
PCT/IL2004/000636 WO2005020689A1 (en) 2003-08-28 2004-07-20 Anti-virus hydrophilic polymeric material

Publications (2)

Publication Number Publication Date
CA2536699A1 true CA2536699A1 (en) 2005-03-10
CA2536699C CA2536699C (en) 2013-12-31

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ID=34279373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2536699A Expired - Fee Related CA2536699C (en) 2003-08-28 2004-07-20 Anti-virus hydrophilic polymeric material

Country Status (11)

Country Link
US (5) US7364756B2 (en)
EP (1) EP1657980B1 (en)
JP (1) JP5152820B2 (en)
KR (1) KR101120197B1 (en)
AT (1) ATE432009T1 (en)
AU (1) AU2004267961B2 (en)
CA (1) CA2536699C (en)
DE (1) DE602004021267D1 (en)
ES (1) ES2327413T3 (en)
TR (1) TR200601582T1 (en)
WO (1) WO2005020689A1 (en)

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