(19)

(11)

EP 0 689 684 A1

(12)

(43) Date of publication: 03.01.1996 Bulletin 1996/01 (21) Application number: 94912812.0 (22) Date of filing: 18.03.1994

(51) International Patent Classification (IPC):  G01N 33/ 547( . ) C08G 85/ 00( . ) G03F 7/ 012( . ) C08F 8/ 30( . ) C12N 11/ 08( . ) (86) International application number: PCT/US1994/002982 (87) International publication number: WO 1994/022053 (29.09.1994 Gazette 1994/22)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 18.03.1993 US 19930033382 (71) Applicant: THE STATE OF OREGON acting by and through THE STATE BOARD OF HIGHER EDUCATION ON BEHALF OF THE UNIVERSITY OF OREGON Eugene, OR 97403-1238 (US)	(72) Inventors: KEANA, John, F., W. Eugene, OR 97405 (US) WYBOURNE, Martin, N. Eugene, OR 97405 (US) CAI, Sui, Xiong Eugene, OR 97402 (US) MANOJ, Kanskar Katmandu (NP) (74) Representative: Roth, Ernst Adolf Michael, et al  GÖTEBORGS PATENTBYRA AB Box 5005 S-402 21 Göteborg S-402 21 Göteborg (SE)