(19)

(11)

EP 0 354 940 A1

(12)

(43) Date of publication: 21.02.1990 Bulletin 1990/08 (21) Application number: 89901058.0 (22) Date of filing: 04.01.1989

(51) International Patent Classification (IPC):  G02F 1/ 13( . ) C09K 19/ 30( . ) C09K 19/ 42( . ) C09K 19/ 02( . ) C09K 19/ 34( . ) C09K 19/ 46( . ) (86) International application number: PCT/EP1989/000003 (87) International publication number: WO 1989/006677 (27.07.1989 Gazette 1989/16)

(84) Designated Contracting States: CH DE FR GB LI NL (30) Priority: 12.01.1988 DE 19880010027U (71) Applicant: MERCK PATENT GmbH D-64271 Darmstadt (DE)	(72) Inventors: SCHEUBLE, Bernhard Naka-ku Yokohama-shi Kanagawa 231 (JP) OYAMA, Takamasa Yamatocity Kanagawa (JP)