(19)

(11)

EP 0 618 959 A1

(12)

(43) Date of publication: 12.10.1994 Bulletin 1994/41 (21) Application number: 93921862.0 (22) Date of filing: 28.09.1993

(51) International Patent Classification (IPC):  C10M 175/ 00( . ) C10G 67/ 10( . ) C10G 53/ 12( . ) (86) International application number: PCT/EP1993/002628 (87) International publication number: WO 1994/007798 (14.04.1994 Gazette 1994/09)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 30.09.1992 IT 1992MI02271 (71) Applicant: VISCOLUBE ITALIANA S.P.A. I-20070 Pieve Fissiraga (IT)	(72) Inventors: MINANA, José, Antonio, Gomez E-28014 Madrid (ES) SCHIEPPATI, Renato I-San Felice-Segrate (IT) DALLA GIOVANNA, Fabio I-29100 Piacenza (IT) (74) Representative: Faggioni, Marco, Dr. Ing., et al  c/o Fumero Studio Consulenza Brevetti Franz-Joseph-Strasse 38 D-80801 München D-80801 München (DE)