(19)

(11)

EP 0 925 590 A1

(12)

(43) Date of publication: 30.06.1999 Bulletin 1999/26 (21) Application number: 97939714.0 (22) Date of filing: 29.08.1997

(51) International Patent Classification (IPC):  C08K 5/ 098( . ) H01B 1/ 12( . ) (86) International application number: PCT/US1997/015349 (87) International publication number: WO 1998/011562 (19.03.1998 Gazette 1998/11)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 12.09.1996 US 19960712740 (71) Applicant: UNIROYAL CHEMICAL COMPANY, Inc. Middlebury Connecticut 06749 (US)	(72) Inventors: GAJEWSKI, Vincent, John Cheshire, CT 06410 (US) GENOVESE, Alessandro I-04100 Latina (IT) NICHOLL, Peter, Rahn Conn, Ontario N0G 1N0 (CA) RICCI, Vincent Prospect, CT 06712 (US) (74) Representative: Spott, Gottfried, Dr.  Spott & Weinmiller Patentanwälte Sendlinger-Tor-Platz 11 80336 München 80336 München (DE)