(19)
(11)
EP 0 775 221 A1
(12)
(43)
Date of publication:
28.05.1997
Bulletin 1997/22
(21)
Application number:
95928723.0
(22)
Date of filing:
02.08.1995
(51)
International Patent Classification (IPC):
D01D
5/
12
( . )
D04H
3/
00
( . )
D01F
6/
74
( . )
D04H
3/
10
( . )
(86)
International application number:
PCT/US1995/009818
(87)
International publication number:
WO 1996/004413
(
15.02.1996
Gazette 1996/08)
(84)
Designated Contracting States:
BE DE ES FR GB IT NL
(30)
Priority:
03.08.1994
JP 19940182420
(71)
Applicant:
THE DOW CHEMICAL COMPANY
Midland, Michigan 48640 (US)
(72)
Inventor:
YABUKI, Kazuyuki
Ohtsu City, Shiga 520-02 (JP)
(74)
Representative:
Fleischer, Holm Herbert, Dr., et al
Patentanwälte Dr. H.-G. Sternagel, Dr. H. Fleischer, Dr. H. Dörries, Sander Aue 30
51465 Bergisch Gladbach
51465 Bergisch Gladbach (DE)
(54)
PROCESS OF MAKING POLYBENZAZOLE NONWOVEN FABRIC