(19)

(11)

EP 0 724 482 A1

(12)

(43) Date of publication: 07.08.1996 Bulletin 1996/32 (21) Application number: 95900424.0 (22) Date of filing: 17.10.1994

(51) International Patent Classification (IPC):  B01L 3/ 00( . ) (86) International application number: PCT/US1994/012245 (87) International publication number: WO 1995/011082 (27.04.1995 Gazette 1995/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 18.10.1993 US 19930138406 (71) Applicant: CARTER-WALLACE, INC. New York, N.Y. 10105 (US)	(72) Inventors: SCHRENK, W., Juergen Cranbury, NJ 08512 (US) SCHNEIDER, Helen Florham Park, NJ 07932 (US) TABOLINSKY, Nicholas Bricktown, NJ 08723 (US) (74) Representative: LOUIS, PÖHLAU, LOHRENTZ & SEGETH  Postfach 3055 90014 Nürnberg 90014 Nürnberg (DE)