(19)

(11)

EP 0 678 113 A1

(12)

(43) Date of publication: 25.10.1995 Bulletin 1995/43 (21) Application number: 94900968.0 (22) Date of filing: 02.12.1993

(51) International Patent Classification (IPC):  C08K 3/ 22( . ) C08K 5/ 3432( . ) (86) International application number: PCT/GB1993/002485 (87) International publication number: WO 1994/016015 (21.07.1994 Gazette 1994/17)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 08.01.1993 GB 19930000308 (71) Applicant: T&N TECHNOLOGY LIMITED Cawston Rugby Warwickshire, CV22 7SA (GB)	(72) Inventor: WILLIAMS, Richard, Stuart Rugby Warwickshire CV21 4BT (GB) (74) Representative: Drury, Peter Lawrence, et al  T&N PLC, Bowdon House, Ashburton Road West Trafford Park, Manchester M17 1RU Trafford Park, Manchester M17 1RU (GB)