(19)

(11)

EP 0 148 215 A1

(12)

(43) Date of publication: 17.07.1985 Bulletin 1985/29 (21) Application number: 84902420.0 (22) Date of filing: 08.06.1984

(51) International Patent Classification (IPC):  C10M 173/ 00( . ) C10M 133/ 56( . ) C10M 137/ 10( . ) C10N 30/ 00( . ) C10N 40/ 08( . ) C10M 119/ 18( . ) C10M 135/ 18( . ) C10M 173/ 02( . ) C10N 30/ 06( . ) (86) International application number: PCT/US1984/000875 (87) International publication number: WO 1985/000182 (17.01.1985 Gazette 1985/02)

(84) Designated Contracting States: AT BE CH DE FR LI NL SE (30) Priority: 29.06.1983 US 19830508831 (71) Applicant: E.F. HOUGHTON & Co. Valley Forge, PA 19842 (US)	(72) Inventor: HOLGADO, Rosauro, V. Bala-Cynwyd, PA 19004 (US) (74) Representative: Hale, Stephen Geoffrey, et al  J.Y. & G.W. Johnson Furnival House 14/18 High Holborn London WC1V 6DE London WC1V 6DE (GB)