(19)

(11)

EP 0 554 266 A1

(12)

(43) Date of publication: 11.08.1993 Bulletin 1993/32 (21) Application number: 91916501.0 (22) Date of filing: 27.08.1991

(51) International Patent Classification (IPC):  C08L 63/ 00( . ) C08L 67/ 02( . ) (86) International application number: PCT/US1991/006095 (87) International publication number: WO 1993/004125 (04.03.1993 Gazette 1993/06)

(84) Designated Contracting States: DE ES FR GB IT (71) Applicant: GENERAL ELECTRIC COMPANY Schenectady, NY 12345 (US)	(72) Inventors: CURRY, Herbert, Leard Mount Vernon, IN 47620 (US) OKAMOTO, Kelvin, Tsugio Wilmington, DE 19808 (US) (74) Representative: Pratt, Richard Wilson  London Patent Operation G.E. Technical Services Co. Inc. Essex House 12/13 Essex Street London WC2R 3AA London WC2R 3AA (GB)