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(11)

EP 0 876 439 A1

(12)

(43) Date of publication: 11.11.1998 Bulletin 1998/46 (21) Application number: 97901079.0 (22) Date of filing: 22.01.1997

(51) International Patent Classification (IPC):  C09J 127/ 16( . ) H01M 4/ 62( . ) C08L 33/ 04( . ) H01M 6/ 10( . ) H01M 4/ 02( . ) C08L 27/ 16( . ) H01M 4/ 66( . ) H01M 6/ 16( . ) (86) International application number: PCT/EP1997/000313 (87) International publication number: WO 1997/027260 (31.07.1997 Gazette 1997/33)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 22.01.1996 JP 19960008608 22.01.1996 JP 19960008610 22.01.1996 JP 19960008611 30.09.1996 JP 19960258465 (71) Applicant: ELF ATOCHEM S.A. 92800 Puteaux, Hauts-de-Seine (FR)

(72) Inventors: MIYAKI, Yoshiyuki Elf Atochem Japan, Shimogyo-ku Kyoto 600 (JP) OHASHI, Kazuyoshi Elf Atochem Japan, Shimogyo-ku Kyoto 600 (JP) GOTO, Kuniyuki Elf Atochem Japan, Shimogyo-ku Kyoto 600 (JP) MAILLET, Jérôme Elf Atochem Japan, Shimogyo-ku Kyoto 600 (JP) SHIMONISHI, Yoshiyuki Elf Atochem Japan, Shimogyo-ku Kyoto 600 (JP) (74) Representative: Kaplan, Jean-Pierre, et al  ELF ATOCHEM S.A., Département Propriété Industrielle, 4, Cours Michelet, La Défense 10 F-92091 Paris Cédex 42 F-92091 Paris Cédex 42 (FR)