(19)

(11)

EP 0 407 501 A1

(12)

(43) Date of publication: 16.01.1991 Bulletin 1991/03 (21) Application number: 89912369.0 (22) Date of filing: 20.10.1989

(51) International Patent Classification (IPC):  D21C 5/ 02( . ) (86) International application number: PCT/US1989/004694 (87) International publication number: WO 1990/004674 (03.05.1990 Gazette 1990/10)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 26.10.1988 US 19880262947 (71) Applicant: MIRANOL INC. Dayton, NJ 08536 (US)	(72) Inventor: NADOLSKY, Richard, J. Plainsboro, NJ 08536 (US) (74) Representative: Baillie, Iain Cameron, et al  c/o Ladas & Parry Altheimer Eck 2 D-80331 München D-80331 München (DE)