(19)

(11)

EP 0 172 213 A1

(12)

(43) Date of publication: 26.02.1986 Bulletin 1986/09 (21) Application number: 85901030.0 (22) Date of filing: 20.02.1985

(51) International Patent Classification (IPC):  C08K 9/ 04( . ) C09C 3/ 08( . ) (86) International application number: PCT/GB1985/000071 (87) International publication number: WO 1985/003715 (29.08.1985 Gazette 1985/19)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.02.1984 GB 19840004569 (71) Applicant: BLUE CIRCLE INDUSTRIES PLC London SW1E 5BJ (GB)	(72) Inventor: WRIGHT, Peter, John Chatham Kent ME5 8PD (GB)