EP0775221A4 - Verfahren zur herstellung von polybenzazol-vliesstoff - Google Patents

Verfahren zur herstellung von polybenzazol-vliesstoff

Info

Publication number: EP0775221A4
Authority: EP; European Patent Office
Prior art keywords: nonwoven fabric; polybenzazole; making; making polybenzazole; nonwoven
Prior art date: 1994-08-03
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

EP95928723A

Other languages

English (en)

French (fr)

Other versions

EP0775221B1 (de

EP0775221A1 (de

Inventor

Kazuyuki Yabuki

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.)

Dow Chemical Co

Original Assignee

Dow Chemical 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.)

1994-08-03

Filing date

1995-08-02

Publication date

1997-11-12

1995-08-02 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1997-05-28 Publication of EP0775221A1 publication Critical patent/EP0775221A1/de

1997-11-12 Publication of EP0775221A4 publication Critical patent/EP0775221A4/de

2002-12-18 Application granted granted Critical

2002-12-18 Publication of EP0775221B1 publication Critical patent/EP0775221B1/de

2015-08-02 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000004745 nonwoven fabric Substances 0.000 title 1

Classifications

- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
- D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Mechanical Engineering (AREA)
Artificial Filaments (AREA)
Nonwoven Fabrics (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

EP95928723A 1994-08-03 1995-08-02 Verfahren zur herstellung von polybenzazol-vliesstoff Expired - Lifetime EP0775221B1 (de)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP18242094		1994-08-03
JP182420/94		1994-08-03
JP18242094A JP3541966B2 (ja)	1994-08-03	1994-08-03	ポリベンザゾール繊維不織布の製造方法
PCT/US1995/009818 WO1996004413A1 (en)	1994-08-03	1995-08-02	Process of making polybenzazole nonwoven fabric

Publications (3)

Publication Number	Publication Date
EP0775221A1 EP0775221A1 (de)	1997-05-28
EP0775221A4 true EP0775221A4 (de)	1997-11-12
EP0775221B1 EP0775221B1 (de)	2002-12-18

Family

ID=16117977

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP95928723A Expired - Lifetime EP0775221B1 (de)	1994-08-03	1995-08-02	Verfahren zur herstellung von polybenzazol-vliesstoff

Country Status (6)

Country	Link
EP (1)	EP0775221B1 (de)
JP (1)	JP3541966B2 (de)
CA (1)	CA2194989A1 (de)
DE (1)	DE69529221T2 (de)
ES (1)	ES2186726T3 (de)
WO (1)	WO1996004413A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5534205A (en) *	1994-08-05	1996-07-09	The Dow Chemical Company	Method for preparing polybenzoxazole or polybenzothiazole fibers
US5633161A (en) *	1995-03-29	1997-05-27	Millennium Pharmaceuticals, Inc.	Murine gene fomy030 coding for tumor progression inhibitor
CA2656470A1 (en) *	2006-07-31	2008-02-07	E.I. Du Pont De Nemours And Company	Nonwoven web comprising polyarenazole microfibers and process for making same
EP2591847A4 (de) *	2010-07-07	2013-11-27	Mitsubishi Rayon Co	Trocknungsvorrichtung und trocknungsverfahren für hohlfasermembranen

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0285338A2 (de) *	1987-04-03	1988-10-05	Gates Formed-Fibre Products Inc.	Feuerhemmende Textilbauplatte
JPH0284511A (ja) *	1988-09-20	1990-03-26	Mitsui Petrochem Ind Ltd	ポリベンゾチアゾール類延伸繊維、ポリベンゾオキサゾール類延伸繊維またはポリベンゾイミダゾール類延伸繊維の製造方法
US5164131A (en) *	1990-09-19	1992-11-17	The Dow Chemical Company	Methods for synthesizing pulps and short fibers containing polybenzazole polymers
US5233821A (en) *	1991-02-25	1993-08-10	The Dow Chemical Company	Protective garment containing polybenzazole

1994
- 1994-08-03 JP JP18242094A patent/JP3541966B2/ja not_active Expired - Fee Related
1995
- 1995-08-02 DE DE69529221T patent/DE69529221T2/de not_active Expired - Fee Related
- 1995-08-02 WO PCT/US1995/009818 patent/WO1996004413A1/en not_active Ceased
- 1995-08-02 ES ES95928723T patent/ES2186726T3/es not_active Expired - Lifetime
- 1995-08-02 EP EP95928723A patent/EP0775221B1/de not_active Expired - Lifetime
- 1995-08-02 CA CA 2194989 patent/CA2194989A1/en not_active Abandoned

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0285338A2 (de) *	1987-04-03	1988-10-05	Gates Formed-Fibre Products Inc.	Feuerhemmende Textilbauplatte
JPH0284511A (ja) *	1988-09-20	1990-03-26	Mitsui Petrochem Ind Ltd	ポリベンゾチアゾール類延伸繊維、ポリベンゾオキサゾール類延伸繊維またはポリベンゾイミダゾール類延伸繊維の製造方法
US5164131A (en) *	1990-09-19	1992-11-17	The Dow Chemical Company	Methods for synthesizing pulps and short fibers containing polybenzazole polymers
US5233821A (en) *	1991-02-25	1993-08-10	The Dow Chemical Company	Protective garment containing polybenzazole

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 280 (C - 0729) 18 June 1990 (1990-06-18) *
See also references of WO9604413A1 *

Also Published As

Publication number	Publication date
DE69529221D1 (de)	2003-01-30
EP0775221B1 (de)	2002-12-18
WO1996004413A1 (en)	1996-02-15
ES2186726T3 (es)	2003-05-16
MX9700815A (es)	1997-09-30
JPH0849156A (ja)	1996-02-20
DE69529221T2 (de)	2003-08-21
CA2194989A1 (en)	1996-02-15
EP0775221A1 (de)	1997-05-28
JP3541966B2 (ja)	2004-07-14

Legal Events

Date	Code	Title	Description
1997-04-11	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1997-05-28	17P	Request for examination filed	Effective date: 19970125
1997-05-28	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): BE DE ES FR GB IT NL
1997-11-12	A4	Supplementary search report drawn up and despatched	Effective date: 19970925
1997-11-12	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): BE DE ES FR GB IT NL
1997-11-26	RAP3	Party data changed (applicant data changed or rights of an application transferred)	Owner name: THE DOW CHEMICAL COMPANY
1998-03-25	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: TOYOBO CO., LTD.
1998-10-07	17Q	First examination report despatched	Effective date: 19980820
2002-05-22	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2002-07-05	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
2002-07-05	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2002-10-25	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
2002-11-01	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
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2007-04-25	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20060802
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