DE69618234T2 - In wasser dispergierbarer und wegspülbarer absorbierender artikel - Google Patents

In wasser dispergierbarer und wegspülbarer absorbierender artikel

Info

Publication number
DE69618234T2
DE69618234T2 DE69618234T DE69618234T DE69618234T2 DE 69618234 T2 DE69618234 T2 DE 69618234T2 DE 69618234 T DE69618234 T DE 69618234T DE 69618234 T DE69618234 T DE 69618234T DE 69618234 T2 DE69618234 T2 DE 69618234T2
Authority
DE
Germany
Prior art keywords
absorbent article
water dispersible
washable absorbent
washable
dispersible
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.)
Revoked
Application number
DE69618234T
Other languages
English (en)
Other versions
DE69618234D1 (de
Inventor
Lee Christon
Albert Ahr
John Dirk
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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=27415860&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69618234(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from US08/561,721 external-priority patent/US5763044A/en
Priority claimed from US08/561,989 external-priority patent/US5722966A/en
Priority claimed from US08/561,720 external-priority patent/US5578344A/en
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Application granted granted Critical
Publication of DE69618234D1 publication Critical patent/DE69618234D1/de
Publication of DE69618234T2 publication Critical patent/DE69618234T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/62—Compostable, hydrosoluble or hydrodegradable materials
    • 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
    • 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
    • A61F13/15211—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
    • 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
    • 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
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • 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
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • 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
    • A61F2013/51059—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 being sprayed with chemicals
    • 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
    • A61F2013/51143—Topsheet, i.e. the permeable cover or layer facing the skin characterised by the material being papers
    • 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
    • A61F2013/51441—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material
    • A61F2013/5145—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a fibrous material being treated materials
DE69618234T 1995-11-22 1996-10-04 In wasser dispergierbarer und wegspülbarer absorbierender artikel Revoked DE69618234T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/561,721 US5763044A (en) 1995-11-22 1995-11-22 Fluid pervious, dispersible, and flushable webs having improved functional surface
US08/561,989 US5722966A (en) 1995-11-22 1995-11-22 Water dispersible and flushable absorbent article
US08/561,720 US5578344A (en) 1995-11-22 1995-11-22 Process for producing a liquid impermeable and flushable web
PCT/US1996/015885 WO1997018784A1 (en) 1995-11-22 1996-10-04 Water dispersible and flushable absorbent article

Publications (2)

Publication Number Publication Date
DE69618234D1 DE69618234D1 (de) 2002-01-31
DE69618234T2 true DE69618234T2 (de) 2002-10-17

Family

ID=27415860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69618234T Revoked DE69618234T2 (de) 1995-11-22 1996-10-04 In wasser dispergierbarer und wegspülbarer absorbierender artikel

Country Status (12)

Country Link
EP (1) EP0862402B1 (de)
JP (2) JP3461510B2 (de)
KR (1) KR100259734B1 (de)
CN (1) CN1239142C (de)
AU (1) AU7388496A (de)
BR (1) BR9611614A (de)
DE (1) DE69618234T2 (de)
ES (1) ES2164923T3 (de)
HK (1) HK1015668A1 (de)
TW (1) TW333448B (de)
WO (1) WO1997018784A1 (de)
ZA (1) ZA968662B (de)

Families Citing this family (46)

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Publication number Priority date Publication date Assignee Title
US5885265A (en) * 1995-11-22 1999-03-23 The Procter & Gamble Company Water dispersible and flushable interlabial absorbent structure
US5762644A (en) * 1996-08-30 1998-06-09 The Procter & Gamble Company Toilet-disposable absorbent interlabial device
US5916205A (en) * 1996-08-30 1999-06-29 The Procter & Gamble Company Absorbent interlabial device
US6270486B1 (en) * 1997-06-16 2001-08-07 The Procter & Gamble Company Absorbent interlabial device
AU6464698A (en) 1997-03-21 1998-10-20 Kimberly-Clark Worldwide, Inc. Dual-zoned absorbent webs
US5990377A (en) * 1997-03-21 1999-11-23 Kimberly-Clark Worldwide, Inc. Dual-zoned absorbent webs
US6152905A (en) * 1997-10-10 2000-11-28 The Procter & Gamble Company Absorbent interlabial device comprising a fluid acquisition/transfer complex
EP0953324A1 (de) † 1998-04-28 1999-11-03 The Procter & Gamble Company Perforiertes Verbundmaterial
EP0976373A1 (de) 1998-07-29 2000-02-02 The Procter & Gamble Company Wegwerfbarer absorbierender Gegenstand mit einer Einrichtung zur Aufnahme von Fäkalien
EP0976375A1 (de) * 1998-07-29 2000-02-02 The Procter & Gamble Company Absorbierender Wegwerfartikel mit Fäkalienmanagementschicht
EP0976374A1 (de) 1998-07-29 2000-02-02 The Procter & Gamble Company Wegwerfbarer absorbierender Gegenstand mit einer Einrichtung zur Aufnahme von Fäkalien
US6749593B1 (en) 1998-08-07 2004-06-15 The Procter & Gamble Company Disposable absorbent article comprising fecal management member having fibers oriented in the z-direction
EP0980681A1 (de) * 1998-08-17 2000-02-23 The Procter & Gamble Company Verfahren zum Schneiden und Schliessen eines absorbierenden Gegenstandes
JP3748022B2 (ja) * 1999-11-19 2006-02-22 ユニ・チャーム株式会社 水解性の吸収性物品およびその製造方法
JP2001190597A (ja) * 2000-01-06 2001-07-17 Uni Charm Corp 水解性の吸収性物品
JP3833034B2 (ja) 2000-01-06 2006-10-11 ユニ・チャーム株式会社 水解性の吸収性物品
US6444214B1 (en) 2000-05-04 2002-09-03 Kimberly-Clark Worldwide, Inc. Ion-sensitive, water-dispersible polymers, a method of making same and items using same
US6835678B2 (en) 2000-05-04 2004-12-28 Kimberly-Clark Worldwide, Inc. Ion sensitive, water-dispersible fabrics, a method of making same and items using same
JP2002078733A (ja) * 2000-06-28 2002-03-19 Uni Charm Corp 吸収性物品
JP3771432B2 (ja) * 2000-08-28 2006-04-26 ユニ・チャーム株式会社 使い捨ての体液吸収性着用物品
JP4505186B2 (ja) * 2000-11-13 2010-07-21 ザ プロクター アンド ギャンブル カンパニー 分散可能な吸収性製品、その製造法および使用法
US6828014B2 (en) 2001-03-22 2004-12-07 Kimberly-Clark Worldwide, Inc. Water-dispersible, cationic polymers, a method of making same and items using same
RU2266729C2 (ru) * 2001-05-04 2005-12-27 Корма, С.П.А. Способ и устройство для изготовления множества слоистых изделий
US7419570B2 (en) 2002-11-27 2008-09-02 Kimberly-Clark Worldwide, Inc. Soft, strong clothlike webs
US7182837B2 (en) 2002-11-27 2007-02-27 Kimberly-Clark Worldwide, Inc. Structural printing of absorbent webs
US6964726B2 (en) 2002-12-26 2005-11-15 Kimberly-Clark Worldwide, Inc. Absorbent webs including highly textured surface
TWI348903B (en) 2003-12-09 2011-09-21 Uni Charm Corp Interlabial pad and adjusting method of interlabial pad
TWI351944B (en) 2003-12-09 2011-11-11 Uni Charm Corp Interlabial pad and following adjustment method th
US20080262458A1 (en) * 2004-05-13 2008-10-23 Sca Hygiene Products Ab Absorbent Article With Wiping Function
CN2922856Y (zh) * 2006-03-18 2007-07-18 谢晓辉 一种可降解的抗菌卫生巾
US9205006B2 (en) 2013-03-15 2015-12-08 The Procter & Gamble Company Absorbent articles with nonwoven substrates having fibrils
US9504610B2 (en) 2013-03-15 2016-11-29 The Procter & Gamble Company Methods for forming absorbent articles with nonwoven substrates
CN103519938B (zh) * 2013-10-14 2016-01-13 金红叶纸业集团有限公司 一次性吸收制品
US9464387B2 (en) * 2014-01-30 2016-10-11 The Procter & Gamble Company Absorbent sanitary paper product
US9469942B2 (en) * 2014-01-30 2016-10-18 The Procter & Gamble Company Absorbent sanitary paper products
HUE059173T2 (hu) 2014-09-10 2022-10-28 Procter & Gamble Nemszõtt kelme
US20160074242A1 (en) * 2014-09-15 2016-03-17 The Procter & Gamble Company Adhesive striping with apertured films
CN107249534A (zh) * 2014-11-06 2017-10-13 宝洁公司 预应变层合体及其制备方法
US10709806B2 (en) 2015-07-22 2020-07-14 Everyone's Earth Inc. Biodegradable absorbent articles
CN105476754A (zh) * 2015-12-31 2016-04-13 福建恒安集团有限公司 一种防水透气复合吸收材料
CA3017187A1 (en) 2016-03-09 2017-09-14 The Procter & Gamble Company Absorbent article with activatable material
CN108882997B (zh) * 2016-04-27 2022-01-11 金伯利-克拉克环球有限公司 吸收制品
EP3582733B1 (de) 2017-02-16 2022-08-17 The Procter & Gamble Company Saugfähige artikel mit substraten mit sich wiederholenden mustern von öffnungen mit mehreren wiederholungseinheiten
WO2018165511A1 (en) 2017-03-09 2018-09-13 The Procter & Gamble Company Thermoplastic polymeric materials with heat activatable compositions
CN115177439B (zh) * 2022-07-05 2023-05-23 杭州诺邦无纺股份有限公司 一种可冲散全降解卫生巾、护垫的制备方法
CN115590689A (zh) * 2022-10-10 2023-01-13 大连双迪桃花卫生用品有限公司（Cn） 可冲散卫生巾护垫及其加工方法

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US4514345A (en) * 1983-08-23 1985-04-30 The Procter & Gamble Company Method of making a foraminous member
GB8822736D0 (en) * 1988-09-28 1988-11-02 Shipley R Disposable diapers
GB9017546D0 (en) * 1990-08-10 1990-09-26 Environmental Prod Disposable composite materials
GB9124527D0 (en) * 1991-11-19 1992-01-08 Brown Malcolm Disposable flushable nappy composite
US5300358A (en) * 1992-11-24 1994-04-05 E. I. Du Pont De Nemours And Co. Degradable absorbant structures

Also Published As

Publication number Publication date
AU7388496A (en) 1997-06-11
ES2164923T3 (es) 2002-03-01
TW333448B (en) 1998-06-11
HK1015668A1 (en) 1999-10-22
MX9804035A (es) 1998-12-31
BR9611614A (pt) 1999-03-30
JP2001214359A (ja) 2001-08-07
CN1239142C (zh) 2006-02-01
EP0862402B1 (de) 2001-12-19
KR100259734B1 (ko) 2000-07-01
ZA968662B (en) 1997-05-13
WO1997018784A1 (en) 1997-05-29
JPH11500341A (ja) 1999-01-12
EP0862402A1 (de) 1998-09-09
KR19990071573A (ko) 1999-09-27
DE69618234D1 (de) 2002-01-31
JP3461510B2 (ja) 2003-10-27
CN1207662A (zh) 1999-02-10

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Legal Events

Date Code Title Description
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8363 Opposition against the patent
8331 Complete revocation