(19)

(11)

EP 0 632 753 A1

(12)

(43) Date of publication: 11.01.1995 Bulletin 1995/02 (21) Application number: 93907933.0 (22) Date of filing: 29.03.1993

(51) International Patent Classification (IPC):  B22C 5/ 04( . ) B22C 9/ 12( . ) B22C 5/ 08( . ) (86) International application number: PCT/GB1993/000636 (87) International publication number: WO 1993/019870 (14.10.1993 Gazette 1993/25)

(84) Designated Contracting States: DE FR GB IT (30) Priority: 28.03.1992 GB 19920006835 19.05.1992 GB 19920010615 (71) Applicant: BORDEN (UK) LIMITED Southampton S052 9ZB (GB)	(72) Inventors: MELLING, Richard Nr Ruthin, Clwyd LL15 2TU (GB) DODD, Stephen Francis Nr St. Asaph, Clwyd LL17 0HG (GB) (74) Representative: Wilkinson, Stephen John, et al  Stevens, Hewlett & Perkins 1 St. Augustine's Place Bristol BS1 4UD Bristol BS1 4UD (GB)