(19)

(11)

EP 0 073 191 A1

(12)

(43) Date of publication: 09.03.1983 Bulletin 1983/10 (21) Application number: 81901736.0 (22) Date of filing: 02.03.1981

(51) International Patent Classification (IPC):  C04B 26/ 12( . ) C08L 33/ 20( . ) C08K 3/ 34( . ) C08L 61/ 06( . ) (86) International application number: PCT/US1981/000253 (87) International publication number: WO 1982/003080 (16.09.1982 Gazette 1982/22)

(84) Designated Contracting States: AT DE FR GB NL (71) Applicant: GENERAL ELECTRIC COMPANY Schenectady New York 12305 (US)	(72) Inventors: BERTOLUCCI, Michael Dean Pittsfield, MA 01201 (US) BARTOLOMUCCI, John Rudolf 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)