(19)

(11)

EP 0 145 727 A1

(12)

(43) Date of publication: 26.06.1985 Bulletin 1985/26 (21) Application number: 84901888.0 (22) Date of filing: 17.04.1984

(51) International Patent Classification (IPC):  C08G 73/ 00( . ) C08G 73/ 10( . ) (86) International application number: PCT/US1984/000606 (87) International publication number: WO 1984/004313 (08.11.1984 Gazette 1984/26)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 22.04.1983 US 19830487622 (71) Applicant: M&T CHEMICALS INC. Woodbridge, NJ 07095 (US)	(72) Inventors: CHOPDEKAR, Vilas, M. Edison, NJ 08817 (US) BERGER, Abe Summit, NJ 07901 (US) (74) Representative: Ellis, John Clifford Holgate, et al  MEWBURN ELLIS & CO. 2/3 Cursitor Street London EC4A 1BQ London EC4A 1BQ (GB)