(19)

(11)

EP 0 101 491 A1

(12)

(43) Date of publication: 29.02.1984 Bulletin 1984/09 (21) Application number: 83900794.0 (22) Date of filing: 11.02.1983

(51) International Patent Classification (IPC):  C10L 5/ 46( . ) (86) International application number: PCT/GB1983/000043 (87) International publication number: WO 1983/002779 (18.08.1983 Gazette 1983/19)

(84) Designated Contracting States: AT BE CH DE FR LI NL SE (30) Priority: 15.02.1982 GB 19820004418 (71) Applicant: HOOD, Peter Middlesex (GB)	(72) Inventor: HOOD, Peter Middlesex (GB) (74) Representative: Williams, John Francis, et al  WILLIAMS, POWELL & ASSOCIATES 34 Tavistock Street London WC2E 7PB London WC2E 7PB (GB)