CA2022446A1 - Fibres de verre susceptibles de se decomposer en milieu physiologique - Google Patents

Fibres de verre susceptibles de se decomposer en milieu physiologique

Info

Publication number
CA2022446A1
CA2022446A1 CA2022446A CA2022446A CA2022446A1 CA 2022446 A1 CA2022446 A1 CA 2022446A1 CA 2022446 A CA2022446 A CA 2022446A CA 2022446 A CA2022446 A CA 2022446A CA 2022446 A1 CA2022446 A1 CA 2022446A1
Authority
CA
Canada
Prior art keywords
decompoundable
glase
fibre
physiological environment
na2o
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
CA2022446A
Other languages
English (en)
Other versions
CA2022446C (fr
Inventor
Isabelle Cohen
Sylvie Thelohan
Hans Furtak
Hartmut Tiesler
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.)
Saint Gobain Isover SA France
Original Assignee
Isabelle Cohen
Sylvie Thelohan
Hans Furtak
Hartmut Tiesler
Isover Saint-Gobain
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26227513&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2022446(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from FR8910834A external-priority patent/FR2650821B1/fr
Priority claimed from FR9001497A external-priority patent/FR2658182B1/fr
Application filed by Isabelle Cohen, Sylvie Thelohan, Hans Furtak, Hartmut Tiesler, Isover Saint-Gobain filed Critical Isabelle Cohen
Publication of CA2022446A1 publication Critical patent/CA2022446A1/fr
Application granted granted Critical
Publication of CA2022446C publication Critical patent/CA2022446C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C13/00—Fibre or filament compositions
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203—Properties of the article, e.g. stiffness or absorbency
    • A61F13/15252—Properties of the article, e.g. stiffness or absorbency compostable or biodegradable
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530131—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp
    • A61F2013/530328—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made in fibre but being not pulp being mineral fibres, e.g. glass
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2213/00—Glass fibres or filaments
    • C03C2213/02—Biodegradable glass fibres

Abstract

La présente invention concerne une composition de verre pour des fibres susceptibles de se dégrader dans un milieu physiologique.
Des compositions de verre avantageuses renferment les constituants suivants pris dans des proportions pondérales ci-après :
Si0 2 57 à 70 %
Al2 0 3 0 à 5 %
Ca0 5 à 10 %
Mg0 0 à 5 %
Na2 0 + K2 0 13 à 18 %
B2 0 3 2 à 12 %
F 0 à 1,5 %
p2 0 5 0 à 4 %
Impureté < 2 %
CA002022446A 1989-08-11 1990-08-01 Fibres de verre susceptibles de se decomposer en milieu physiologique Expired - Lifetime CA2022446C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8910834 1989-08-11
FR8910834A FR2650821B1 (fr) 1989-08-11 1989-08-11 Composition de verre destinee a etre transformee en fibres degradables en milieu biologique
FR9001497A FR2658182B1 (fr) 1990-02-09 1990-02-09 Fibres de verre susceptibles de se decomposer en milieu biologique.
FR9001497 1990-02-09

Publications (2)

Publication Number Publication Date
CA2022446A1 true CA2022446A1 (fr) 1991-02-12
CA2022446C CA2022446C (fr) 2000-10-24

Family

ID=26227513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002022446A Expired - Lifetime CA2022446C (fr) 1989-08-11 1990-08-01 Fibres de verre susceptibles de se decomposer en milieu physiologique

Country Status (24)

Country Link
US (1) US5108957A (fr)
EP (1) EP0412878B2 (fr)
JP (1) JP3192652B2 (fr)
KR (1) KR0167763B1 (fr)
CN (2) CN1026778C (fr)
AT (1) ATE102902T1 (fr)
AU (1) AU630484B2 (fr)
BR (1) BR9003934A (fr)
CA (1) CA2022446C (fr)
CZ (1) CZ285303B6 (fr)
DE (1) DE69007369C5 (fr)
DK (1) DK0412878T4 (fr)
ES (1) ES2053139T5 (fr)
FI (1) FI100795B (fr)
HU (1) HU210633B (fr)
IE (1) IE66323B1 (fr)
MX (1) MX172027B (fr)
NO (1) NO178023C (fr)
NZ (1) NZ234718A (fr)
PL (2) PL165859B1 (fr)
PT (1) PT94971B (fr)
SK (1) SK280262B6 (fr)
TR (1) TR24496A (fr)
YU (1) YU47433B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5401693A (en) * 1992-09-18 1995-03-28 Schuller International, Inc. Glass fiber composition with improved biosolubility

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KR0167763B1 (ko) 1999-01-15
MX172027B (es) 1993-11-29
PL165859B1 (pl) 1995-02-28
TR24496A (tr) 1991-11-01
EP0412878B2 (fr) 1998-03-04
DE69007369C5 (de) 2007-06-06
BR9003934A (pt) 1991-09-03
CN1026778C (zh) 1994-11-30
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SK396090A3 (en) 1999-10-08
YU154890A (sh) 1993-05-28
PL286430A1 (en) 1991-04-22
DE69007369T3 (de) 1999-07-22
PT94971A (pt) 1991-04-18
PT94971B (pt) 1997-04-30
FI903978A0 (fi) 1990-08-10
EP0412878A1 (fr) 1991-02-13
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HUT54953A (en) 1991-04-29
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CZ396090A3 (cs) 1999-04-14
CN1093066A (zh) 1994-10-05
ES2053139T5 (es) 1998-07-01
ES2053139T3 (es) 1994-07-16
FI100795B (fi) 1998-02-27
AU630484B2 (en) 1992-10-29
NZ234718A (en) 1992-05-26
DK0412878T3 (da) 1994-07-18
KR910004492A (ko) 1991-03-28
ATE102902T1 (de) 1994-04-15
AU6002590A (en) 1991-02-14
EP0412878B1 (fr) 1994-03-16
IE66323B1 (en) 1995-12-27
PL171355B1 (pl) 1997-04-30
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NO178023B (no) 1995-10-02
HU904971D0 (en) 1991-01-28
YU47433B (sh) 1995-03-27
CN1049834A (zh) 1991-03-13
JP3192652B2 (ja) 2001-07-30
NO178023C (no) 1996-01-10
HU210633B (en) 1995-06-28
SK280262B6 (sk) 1999-10-08
US5108957A (en) 1992-04-28
CZ285303B6 (cs) 1999-07-14
IE902834A1 (en) 1991-02-27

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