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(11)

EP 0 081 557 A1

(12)

(43) Date of publication: 22.06.1983 Bulletin 1983/25 (21) Application number: 82902032.0 (22) Date of filing: 17.05.1982

(51) International Patent Classification (IPC):  C08G 59/ 62( . ) C08G 59/ 40( . ) C08G 59/ 70( . ) C08G 59/ 00( . ) C08G 59/ 68( . ) C08L 63/ 00( . ) (86) International application number: PCT/US1982/000667 (87) International publication number: WO 1982/004437 (23.12.1982 Gazette 1982/30)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 12.06.1981 US 19810273025 (71) Applicant: GENERAL ELECTRIC COMPANY Schenectady New York 12305 (US)	(72) Inventors: ALLEN, Richard Brian Dalton, MA 01226 (US) MARKOWITZ, Mark Schenectady, NY 12309 (US) WIERCINSKI, Robert Alan Pittsfield, MA 01201 (US) (74) Representative: Catherine, Alain  General Electric France Service de Propriété Industrielle 18 Rue Horace Vernet F-92136 Issy-Les-Moulineaux Cedex F-92136 Issy-Les-Moulineaux Cedex (FR)