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(11)

EP 0 591 430 A1

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(43) Date of publication: 13.04.1994 Bulletin 1994/15 (21) Application number: 92914815.0 (22) Date of filing: 24.06.1992

(51) International Patent Classification (IPC):  C09K 5/ 04( . ) F25D 3/ 00( . ) C09K 5/ 06( . ) (86) International application number: PCT/US1992/005368 (87) International publication number: WO 1993/000412 (07.01.1993 Gazette 1993/02)

(84) Designated Contracting States: BE DE ES FR GB IT NL (30) Priority: 27.06.1991 US 19910722428 23.06.1992 US 19920899722 (71) Applicant: AlliedSignal Inc. Morristown, New Jersey 07962-2245 (US)	(72) Inventors: WILSON, David, Paul East Amherst, NY 14051 (US) THOMAS, Raymond, Hilton, Percival Amherst, NY 14228 (US) LI, Chien, Chi East Aurora, NY 14052 (US) (74) Representative: Brock, Peter William, et al  Urquhart-Dykes & Lord 1 Richfield Place Richfield Avenue Reading RG1 8EQ Berkshire Reading RG1 8EQ Berkshire (GB)