WO1991008726A1 - Disposable sanitary garments - Google Patents
Disposable sanitary garments Download PDFInfo
- Publication number
- WO1991008726A1 WO1991008726A1 PCT/US1990/007169 US9007169W WO9108726A1 WO 1991008726 A1 WO1991008726 A1 WO 1991008726A1 US 9007169 W US9007169 W US 9007169W WO 9108726 A1 WO9108726 A1 WO 9108726A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- structure according
- topsheet
- polyester
- backsheet
- absorbent
- Prior art date
Links
Classifications
-
- 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
- A61F13/531—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 having a homogeneous composition through the thickness of the pad
-
- 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
- A61F13/51—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 outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
-
- 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
- A61F13/51—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 outer layers
- A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
- A61F13/51401—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material
-
- 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
- A61F13/51—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 outer layers
- A61F2013/51002—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 outer layers with special fibres
- A61F2013/51023—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 outer layers with special fibres being polymeric fibres
- A61F2013/51035—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 outer layers with special fibres being polymeric fibres being biodegradable, e.g. Rayon, polylactate, dioxanone
-
- 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
- A61F13/51—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 outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/51121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material
- A61F2013/51147—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material being polymeric films
-
- 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
- A61F13/51—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 outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
- A61F2013/51165—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers with the combination of films and nonwovens
-
- 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
- A61F2013/530007—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 from pulp
- A61F2013/530036—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 from pulp being made in chemically-modified cellulosic material, e.g. Rayon
- A61F2013/530043—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 from pulp being made in chemically-modified cellulosic material, e.g. Rayon being made in oxidized cellulose
-
- 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
- A61F13/534—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 having an inhomogeneous composition through the thickness of the pad
- A61F2013/53481—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 having an inhomogeneous composition through the thickness of the pad being biodegradable
Definitions
- the present invention relates to disposable absorbent articles such as diapers, sanitary napkins, pantiliners, and the like, which are especially adapted for absorbing various bodily fluids.
- the articles herein are prepared from topsheet and/or backsheet and/or absorbent core materials which are designed to enhance their disposability.
- Disposable products of this type generally comprise some sort of fluid-permeable topsheet material, an absorbent core, and a fluid-impermeable backsheet material.
- absorbent structures have been prepared using, for example, topsheet materials prepared from woven, nonwoven, or porous formed-fil polyethylene or polypropylene materials.
- Backsheet materials typically comprise flexible polyethylene sheets.
- Absorbent core materials typically comprise wood pulp fibers or wood pulp fibers in combination with absorbent gelling materials.
- the practice of the present invention draws upon the well-known teachings of the surgical arts to meet the aforesaid disposability issue.
- those aspects of the surgical arts relating to sutures and hemostats are employed in the practice of this invention to provide desirable topsheet, backsheet and absorbent core materials.
- the present invention employs the types of materials used by surgeons in synthetic absorbable sutures to provide topsheet and backsheet materials which can be used to fashion diapers, sanitary napkins, pantiliners, and the like.
- Such suture materials especially those based on glycolic acid and/or lactic acid, as described hereinafter, are designed to degrade by simple hydrolysis, e.g., in landfills.
- the oxidized celluloses employed as absorbent cores herein are also well-known from surgical arts as absorbent hemostatic materials. Such materials are also broken down by natural biological processes, thereby enhancing their disposability.
- the present invention uses conventional knowledge from the medical arts relating to absorbable, hydrolyzable and biodegradable surgical materials, and reapplies such materials in an unconventional way to prepare disposable sanitary products for use by the consumer.
- the present invention relates to the preparation of diapers, sanitary napkins, pantiliners, and the like, all of which have been described in great detail in patents and other literature.
- a wide variety of such articles are commercially available. It is to be understood that this invention does not relate to the manufacture of any particular type, shape or style of such articles; rather, the invention herein relates to the particular choice of topsheet, backsheet and core materials which can be used in the manufacture of such articles to make them more disposable.
- the present invention encompasses disposable absorbent structures, comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, said structures being characterized in that said backsheet comprises a flexible film comprising a lactic acid-based or glycolic acid-based polyester.
- Said polyester backsheet can also comprise a co-polyester based on glycolic acid and lactic acid.
- the invention also encompasses disposable absorbent structures, comprising said water-permeable topsheet, absorbent core and water-impermeable backsheet, said structures being characterized in that said topsheet comprises a flexible porous sheet or woven or nonwoven web of polymer comprising a lactic acid-based or glycolic acid-based polyester.
- the polyester topsheet can also comprise a co-polyester based on lactic acid and glycolic acid.
- Such topsheets are preferably in the form of a nonwoven web.
- the invention encompasses disposable absorbent structures comprising a water-permeable topsheet, a water-impermeable backsheet, and an absorbent core, said structures being characterized in that said absorbent core comprises oxidized cellulose.
- the oxidized cellulose comprises at least 16% carboxyl groups.
- topsheet and the backsheet comprise a lactic acid-based or glycolic acid-based polyester, or co-polyester thereof.
- Still other structures have both topsheet and backsheet prepared from the foregoing polyesters, and also have oxidized cellulose comprising the absorbent core.
- the oxidized cellulose absorbent core can also contain an absorbent gelling material to provide additional absorbent capacity.
- the polyesters employed to prepare the topsheet and backsheet materials employed herein are based on glycolic acid (H0CH 2 C00H), lactic acid (CH 3 CH0HC00H) and mixtures thereof.
- Glycolic acid is available commercially from the oxidation of ethylene glycol with dilute acid; by the hydrolysis of chloroacetic acid; or by the reaction of formaldehyde with carbon monoxide.
- Lactic acid is available from various fermentation processes, using any convenient lactose source. As is known from the literature, these acids can be reacted using well-known reaction conditions to form polyester polymers.
- the cyclic derivative of glycolic acid (glycolide) and/or the cyclic derivative of lactic acid (lactide), or mixtures thereof (i.e., to form "co-polyesters”) are polymerized.
- molecular weights range from several hundred thousand to several million.
- the foregoing glycolic acid-based or lactic acid-based polyesters can be cast as sheets having a multiplicity of perforations therethrough, or can be used in the form of filaments to prepare a woven or nonwoven web.
- the formation of perforated sheets and webs for use as topsheets is well-known in the art. The same manufacturing principles apply when such sheet or webs are made using the polyesters herein.
- polyesters are simply cast into nonperforate, flexible sheets (typically 0.01 mm to 2 mm thickness).
- the articles herein can comprise either the topsheet, the backsheet, or both, made from the aforementioned polyester polymers.
- the oxidized cellulose absorbent material can be prepared by the mild oxidation of any convenient source of cellulose, e.g., wood pulp, cotton, and the like. Oxidized cotton is available from Parke-Davis in the form of gauze, strips and pads. Typically, the oxidized cellulose contains at least 16% (generally 16-24%) carboxyl groups.
- the articles herein can be prepared using either oxidized cellulose or ordinary cellulose fibers as the absorbent core.
- said cores can also contain additional absorbent materials, especially the high fluid capacity absorbent gelling materials commonly used in modern diapers and sanitary napkins.
- additional absorbent materials include, for example, acrylates, starch grafted lkylates, and various gums and/or saccharidic gelling materials which absorb and hold 10-50 times their weight of water.
- Such materials are thoroughly described in the voluminous patent literature relating to disposable sanitary products, and are available from various commercial sources.
- a disposable baby diaper according to this invention is prepared as follows. The dimensions listed are for a diaper intended for use with a child in the 6-10 kilogram size range. These dimensions can be modified proportionately for different size children, or for adult incontinence briefs, according to standard practice.
- Backsheet 0.025- ⁇ ,070 mm polyglycolate film; width at top and bottom 33 cm; notched inwardly on both sides to a width-at-center of 28.5 cm; length 50.2 cm.
- Topsheet nonwoven fabric scrim comprising lactate/glycolate co-polyester fibers; width at top and bottom 33 cm; notched inwardly on both sides to a width-at-center of 28.5 cm; length 50.2 cm.
- Absorbent core oxidized cellulose (16-24% carboxyl); 8.4 mm thick, calendered width at top and bottom 28.6 cm; notched inwardly at both sides to a width-at-center of 10.2 cm; length 44.5 cm.
- Elastic leg bands four individual rubber strips (2 per side); width 4.77 mm; length 370 mm; thickness 0.178 mm (all the foregoing dimensions being in the relaxed state).
- the diaper of Example I is prepared in standard fashion by positioning the core material covered with the topsheet on the backsheet and gluing.
- the elastic bands are stretched to ca. 50.2 cm and positioned between the topsheet/backsheet along each longitudinal side (2 bands per side) of the core.
- the inner bands along each side are positioned ca. 55 mm from the narrowest width of the core (measured from the inner edge of the elastic band).
- This provides a spacing element along each side of the diaper comprising the flexible topsheet/backsheet material between the inner elastic and the curved edge of the core.
- the inner bands are glued down along their length in the stretched state.
- the outer bands are positioned ca. 13 mm from the inner bands, and are glued down along their length in the stretched state.
- the topsheet/backsheet assembly is flexible, and the glued-down bands contract to elasticize the sides of the diaper.
- a lightweight pantiliner suitable for use between menstrual periods comprises a pad (surface area 117 cm 2 ; SSK air felt 3.0 g) containing 1.0 g of absorbent gelling material particles (commercial polyacrylate; Nippon Shokubai); said pad being interposed between a porous formed-film topsheet according to U.S. Patent 4,463,045 and a backsheet which comprises a 0.03 mm thickness polyglycolate film.
- a catamenial product in the form of a sanitary napkin having two flaps extending outward from its absorbent core is prepared using a pad in the manner of Example II (surface area 117 cm 2 ; 8.5 g SSK air felt), per the design of U.S. Patent 4,687,478, Van Tillburg, August 18, 1987.
- the backsheet comprises 0.025 mm polyethylene, and the topsheet comprises a nonwoven scrim of polylactate fibers.
- the sanitary napkin of Example III is modified by replacing the topsheet with a porous nonglossy formed film, per U.S. Patent 4,687,478, said film being prepared from a lactate/glycolate co-polyester.
- polyester materials herein can, if desired, be physically modified by means of various plasticizer materials, in well-known fashion.
- various polyols and/or compounds containing carboxyl/hydroxyl moieties can be included in the polymerization mixture to modify the polymer properties, according to the desires of the formulator. So long as the lactic acid-derived and/or glycolic acid-derived portion of the polymer remains at least 35% (mole basis), preferably 50% (mole basis) of the resulting polymer, the desired benefits of this invention can be achieved.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU69762/91A AU658359B2 (en) | 1989-12-19 | 1990-12-07 | Disposable sanitary garments |
EP91901512A EP0506775B1 (en) | 1989-12-19 | 1990-12-07 | Disposable sanitary garments |
DE69031280T DE69031280T2 (en) | 1989-12-19 | 1990-12-07 | HYGIENIC DISPOSABLE LAUNDRY PIECE |
KR1019920701450A KR100226392B1 (en) | 1989-12-19 | 1992-06-18 | Disposable sanitary garments |
GR970401891T GR3024452T3 (en) | 1989-12-19 | 1997-08-14 | Disposable sanitary garments |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US45299889A | 1989-12-19 | 1989-12-19 | |
US452,998 | 1989-12-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991008726A1 true WO1991008726A1 (en) | 1991-06-27 |
Family
ID=23798818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1990/007169 WO1991008726A1 (en) | 1989-12-19 | 1990-12-07 | Disposable sanitary garments |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0506775B1 (en) |
KR (1) | KR100226392B1 (en) |
AT (1) | ATE156692T1 (en) |
AU (1) | AU658359B2 (en) |
CA (1) | CA2072650C (en) |
DE (1) | DE69031280T2 (en) |
DK (1) | DK0506775T3 (en) |
ES (1) | ES2107452T3 (en) |
GR (1) | GR3024452T3 (en) |
NZ (1) | NZ236494A (en) |
WO (1) | WO1991008726A1 (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5391423A (en) * | 1992-06-26 | 1995-02-21 | The Procter & Gamble Company | Biodegradable, liquid impervious multilayer film compositions |
US5472518A (en) * | 1994-12-30 | 1995-12-05 | Minnesota Mining And Manufacturing Company | Method of disposal for dispersible compositions and articles |
US5939467A (en) * | 1992-06-26 | 1999-08-17 | The Procter & Gamble Company | Biodegradable polymeric compositions and products thereof |
US6020453A (en) * | 1994-12-13 | 2000-02-01 | Sca Molnlycke Products Ab | Lactic acid excreting polylactide sheet for use in absorbent articles |
WO2000032245A1 (en) * | 1998-12-03 | 2000-06-08 | Sca Hygiene Products Ab | Material structure for use in absorbent articles, and an absorbent article comprising such a material structure |
US6355772B1 (en) | 1992-10-02 | 2002-03-12 | Cargill, Incorporated | Melt-stable lactide polymer nonwoven fabric and process for manufacture thereof |
US6579814B1 (en) | 1994-12-30 | 2003-06-17 | 3M Innovative Properties Company | Dispersible compositions and articles of sheath-core microfibers and method of disposal for such compositions and articles |
US6710220B2 (en) | 2000-08-31 | 2004-03-23 | Hi-Gienic Ltd. | pH reducing formulation and delivery system for a tampon |
WO2006044881A3 (en) * | 2004-10-20 | 2006-09-21 | Ethicon Inc | A reinforced absorbable multilayered fabric for use in medical devices and method of manufacture |
WO2007109353A1 (en) * | 2006-03-20 | 2007-09-27 | Global Resources International, Inc. | Articles, operating room drapes and methods of making and using the same |
WO2007117237A1 (en) * | 2006-04-10 | 2007-10-18 | Ethicon, Inc. | A reinforced absorbable multilayered hemostatic wound dressing and method of making |
US7892218B2 (en) | 2004-03-03 | 2011-02-22 | Rostam Ltd. | pH reducing formulation |
US9358318B2 (en) | 2004-10-20 | 2016-06-07 | Ethicon, Inc. | Method of making a reinforced absorbable multilayered hemostatic wound dressing |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA92308B (en) | 1991-09-11 | 1992-10-28 | Kimberly Clark Co | Thin absorbent article having rapid uptake of liquid |
EP1809343B1 (en) | 2004-10-20 | 2012-08-15 | Ethicon, Inc. | A reinforced absorbable multilayered hemostatic wound dressing and method of making |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3595235A (en) * | 1969-05-16 | 1971-07-27 | Georgia Pacific Corp | Multilayer absorbent pad |
US4685909A (en) * | 1985-05-15 | 1987-08-11 | The Procter & Gamble Company | Disposable absorbent articles |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4372311A (en) * | 1980-09-12 | 1983-02-08 | Union Carbide Corporation | Disposable articles coated with degradable water insoluble polymers |
JPS6014861A (en) * | 1983-07-05 | 1985-01-25 | 株式会社日本メデイカル・サプライ | Adhesion preventing material |
-
1990
- 1990-12-07 AU AU69762/91A patent/AU658359B2/en not_active Ceased
- 1990-12-07 CA CA002072650A patent/CA2072650C/en not_active Expired - Fee Related
- 1990-12-07 DK DK91901512.3T patent/DK0506775T3/en active
- 1990-12-07 EP EP91901512A patent/EP0506775B1/en not_active Revoked
- 1990-12-07 WO PCT/US1990/007169 patent/WO1991008726A1/en not_active Application Discontinuation
- 1990-12-07 ES ES91901512T patent/ES2107452T3/en not_active Expired - Lifetime
- 1990-12-07 DE DE69031280T patent/DE69031280T2/en not_active Revoked
- 1990-12-07 AT AT91901512T patent/ATE156692T1/en active
- 1990-12-17 NZ NZ236494A patent/NZ236494A/en unknown
-
1992
- 1992-06-18 KR KR1019920701450A patent/KR100226392B1/en not_active IP Right Cessation
-
1997
- 1997-08-14 GR GR970401891T patent/GR3024452T3/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3595235A (en) * | 1969-05-16 | 1971-07-27 | Georgia Pacific Corp | Multilayer absorbent pad |
US4685909A (en) * | 1985-05-15 | 1987-08-11 | The Procter & Gamble Company | Disposable absorbent articles |
Cited By (23)
Publication number | Priority date | Publication date | Assignee | Title |
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US5939467A (en) * | 1992-06-26 | 1999-08-17 | The Procter & Gamble Company | Biodegradable polymeric compositions and products thereof |
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Also Published As
Publication number | Publication date |
---|---|
CA2072650A1 (en) | 1991-06-20 |
EP0506775A1 (en) | 1992-10-07 |
DK0506775T3 (en) | 1997-10-13 |
EP0506775B1 (en) | 1997-08-13 |
DE69031280D1 (en) | 1997-09-18 |
EP0506775A4 (en) | 1994-04-13 |
ES2107452T3 (en) | 1997-12-01 |
ATE156692T1 (en) | 1997-08-15 |
KR927002984A (en) | 1992-12-17 |
DE69031280T2 (en) | 1998-01-02 |
NZ236494A (en) | 1994-05-26 |
AU6976291A (en) | 1991-07-18 |
AU658359B2 (en) | 1995-04-13 |
GR3024452T3 (en) | 1997-11-28 |
KR100226392B1 (en) | 1999-10-15 |
CA2072650C (en) | 1997-07-15 |
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