(19)

(11)

EP 0 490 996 A1

(12)

(43) Date of publication: 24.06.1992 Bulletin 1992/26 (21) Application number: 90914599.0 (22) Date of filing: 07.09.1990

(51) International Patent Classification (IPC):  D01H 13/ 30( . ) D02J 1/ 00( . ) D02J 7/ 00( . ) D02G 3/ 22( . ) D02J 3/ 00( . ) (86) International application number: PCT/US1990/005034 (87) International publication number: WO 1991/003585 (21.03.1991 Gazette 1991/07)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 08.09.1989 US 19890404616 02.07.1990 US 19900545662 (71) Applicant: INSTITUTE OF TEXTILE TECHNOLOGY Charlottesville, VA 22902 (US)	(72) Inventors: FEIL, Ralph, Witten Charlottesville, VA 22903 (US) ELLIS, Thomas, Martin Earlysville, VA 22936 (US) (74) Representative: UEXKÜLL & STOLBERG  Patentanwälte Beselerstrasse 4 D-22607 Hamburg D-22607 Hamburg (DE)