(19)

(11)

EP 0 236 312 A1

(12)

(43) Date of publication: 16.09.1987 Bulletin 1987/38 (21) Application number: 85904908.0 (22) Date of filing: 12.09.1985

(51) International Patent Classification (IPC):  C07D 307/ 62( . ) C08G 63/ 08( . ) (86) International application number: PCT/US1985/001772 (87) International publication number: WO 1987/001702 (26.03.1987 Gazette 1987/07)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (71) Applicant: OXYCAL LABORATORIES, INC. Prescott, AZ 86301 (US)	(72) Inventor: MARKHAM, Richard, G. Prescott, AZ 86301 (US)