(19)

(11)

EP 0 037 815 A1

(12)

(43) Date of publication: 21.10.1981 Bulletin 1981/42 (21) Application number: 80901839.0 (22) Date of filing: 29.08.1980

(51) International Patent Classification (IPC):  C10L 1/ 02( . ) (86) International application number: PCT/US1980/001119 (87) International publication number: WO 1981/000721 (19.03.1981 Gazette 1981/07)

(84) Designated Contracting States: AT CH DE FR GB LI LU NL SE (71) Applicant: WER, Roberto Columbus, NJ 08022 (US)	(72) Inventor: ESTRADA-CHAPETON, Roberto Guatemala District (GT) (74) Representative: Lewin, John Harvey, et al  Elkington and Fife Prospect House 8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)