(19)

(11)

EP 0 607 322 A1

(12)

(43) Date of publication: 27.07.1994 Bulletin 1994/30 (21) Application number: 92922027.0 (22) Date of filing: 08.10.1992

(51) International Patent Classification (IPC):  C08L 25/ 08( . ) C08L 25/ 12( . ) C08L 33/ 24( . ) C08L 35/ 06( . ) C08L 55/ 00( . ) C08L 25/ 00( . ) C08L 33/ 00( . ) C08L 35/ 00( . ) C08L 51/ 04( . ) C08L 55/ 02( . ) (86) International application number: PCT/NL1992/000179 (87) International publication number: WO 1993/007212 (15.04.1993 Gazette 1993/10)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI NL SE (30) Priority: 09.10.1991 BE 19910000926 (71) Applicant: DSM N.V. NL-6411 TE Heerlen (NL)	(72) Inventors: FAIRLEY, Gary, Robert, Gerard NL-6132 ES Sittard (NL) MAAG, Louis, Richard NL-6166 GM Geleen (NL) REID, Valerie, Melville, Chrystie NL- 6212 EP Maastricht (NL)