(19)

(11)

EP 0 904 261 A1

(12)

(43) Date of publication: 31.03.1999 Bulletin 1999/13 (21) Application number: 97924459.0 (22) Date of filing: 27.05.1997

(51) International Patent Classification (IPC):  C07C 215/ 40( . ) C08G 18/ 08( . ) C08G 18/ 36( . ) C08G 18/ 00( . ) C08G 18/ 10( . ) C08G 18/ 38( . ) (86) International application number: PCT/SE1997/000873 (87) International publication number: WO 1997/045395 (04.12.1997 Gazette 1997/52)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB IT LI NL SE (30) Priority: 28.05.1996 SE 19960002041 06.06.1996 US 19960019200P (71) Applicant: Eka Chemicals AB 445 80 Bohus (SE)	(72) Inventors: GORZYNSKI, Marek, A. D-52349 Düren (DE) MACHEREY, J., Heribert D-52372 Kreuzau (DE) (74) Representative: Jönsson, Christer  Eka Chemicals AB, Patent Department, Box 11556 100 61 Stockholm 100 61 Stockholm (SE)