(19)

(11)

EP 0 855 995 A2

(12)

(43) Date of publication: 05.08.1998 Bulletin 1998/32 (21) Application number: 96938620.0 (22) Date of filing: 11.10.1996

(51) International Patent Classification (IPC):  C04B( . ) C04B 24/ 18( . ) C04B 103/ 30( . ) C04B 24/ 16( . ) C04B 28/ 02( . ) C04B 103/ 50( . ) (86) International application number: PCT/US1996/016232 (87) International publication number: WO 1997/013732 (17.04.1997 Gazette 1997/17)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 11.10.1995 US W 9513836 (71) Applicant: ALCELL TECHNOLOGIES INC. Montreal, Quebec H3B 4W8 (CA)	(72) Inventors: BREMNER, Theodore Jemsey, New Brunswick E0E 1F0 (CA) ZHOR, Jiri Fredericton, New Brunswick E3B 4HN (CA) GOYAL, Gopal, C. Cloquet, MN 55720 (US) LORA, Jairo, H. Media, PA 19061 (US) CREAMER, Albert Levittown, PA 19056 (US) (74) Representative: Haimelin, Jukka Ilmari, et al  Oy Jalo Ant-Wuorinen Ab Iso Roobertinkatu 4-6 A 00120 Helsinki 00120 Helsinki (FI)