(19)

(11)

EP 0 069 148 A1

(12)

(43) Date of publication: 12.01.1983 Bulletin 1983/02 (21) Application number: 82900692.0 (22) Date of filing: 07.01.1982

(51) International Patent Classification (IPC):  C10L 9/ 02( . ) (86) International application number: PCT/US1982/000014 (87) International publication number: WO 1982/002404 (22.07.1982 Gazette 1982/18)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 08.01.1981 US 19810223274 (71) Applicant: LOW S. COMPANY Greensburg, PA 15601 (US)	(72) Inventors: CHINNICI, Anthony J. Greensburg, PA 15601 (US) JASKOWSKI, Michael C. Pittsburgh, PA 15203 (US)