(19)

(11)

EP 0 616 627 A1

(12)

(43) Date of publication: 28.09.1994 Bulletin 1994/39 (21) Application number: 92924805.0 (22) Date of filing: 09.12.1992

(51) International Patent Classification (IPC):  C09D 7/ 00( . ) C09K 3/ 30( . ) (86) International application number: PCT/GB1992/002280 (87) International publication number: WO 1993/012185 (24.06.1993 Gazette 1993/15)

(84) Designated Contracting States: AT BE CH DE DK ES FR GR IE IT LI LU MC NL PT SE (30) Priority: 12.12.1991 GB 19910026398 24.01.1992 GB 19920013425 (71) Applicant: JAMES BRIGGS LIMITED Oldham, Lancashire OL2 6HZ (GB)	(72) Inventors: ANTROBUS, Keith Philip Bowden, Cheshire WA14 2JL (GB) LYTH, Mark Anthony Rossendale, Lancashire BB4 4NP (GB) (74) Representative: Low, Peter John  Wilson, Gunn, M'Caw & Co., 41-51 Royal Exchange, Cross Street Manchester, M2 7BD Manchester, M2 7BD (GB)