(19)

(11)

EP 0 783 603 A1

(12)

(43) Date of publication: 16.07.1997 Bulletin 1997/29 (21) Application number: 95931706.0 (22) Date of filing: 08.09.1995

(51) International Patent Classification (IPC):  D01F 6/ 74( . ) (86) International application number: PCT/US1995/011229 (87) International publication number: WO 1996/010661 (11.04.1996 Gazette 1996/16)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 30.09.1994 US 19940316266 12.07.1995 US 19950500651 (71) Applicant: THE DOW CHEMICAL COMPANY Midland, Michigan 48640 (US)	(72) Inventors: SEN, Ashish Midland, MI 48642 (US) TERAMOTO, Yoshihiko Shiga 520-02 (JP) (74) Representative: Sternagel, Hans-Günther, Dr., et al  Patentanwälte Dr. H.-G. Sternagel, Dr.H. Fleischer, Dr. H. Dörries, Sander Aue 30 51465 Bergisch Gladbach 51465 Bergisch Gladbach (DE)