(19)

(11)

EP 0 250 549 A1

(12)

(43) Date of publication: 07.01.1988 Bulletin 1988/01 (21) Application number: 87900496.0 (22) Date of filing: 08.12.1986

(51) International Patent Classification (IPC):  A23B 4/ 10( . ) A23L 1/ 00( . ) A23P 1/ 08( . ) A21D 13/ 00( . ) A23L 3/ 00( . ) (86) International application number: PCT/US1986/002641 (87) International publication number: WO 1987/003453 (18.06.1987 Gazette 1987/13)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 16.12.1985 US 19850809531 (71) Applicant: WISCONSIN ALUMNI RESEARCH FOUNDATION Madison, WI 53705 (US)	(72) Inventors: FENNEMA, Owen, R. Madison, WI 53705 (US) KAMPER, Susan, Lea Minneapolis, MN 55405 (US) KESTER, Jeffrey, J. Madison, WI 53715 (US)