(19)
(11) EP 2 201 089 A2

(12)

(88) Date of publication A3:
16.07.2009

(43) Date of publication:
30.06.2010 Bulletin 2010/26

(21) Application number: 08802834.5

(22) Date of filing: 07.10.2008
(51) International Patent Classification (IPC): 
C10M 159/20(2006.01)
C10M 159/24(2006.01)
C10M 129/42(2006.01)
C10M 135/10(2006.01)
C07C 51/41(2006.01)
C10M 169/04(2006.01)
C10M 129/40(2006.01)
C10M 159/22(2006.01)
C10M 177/00(2006.01)
C10M 129/54(2006.01)
C10M 135/30(2006.01)
C10M 163/00(2006.01)
C10M 129/10(2006.01)
(86) International application number:
PCT/EP2008/008509
(87) International publication number:
WO 2009/046976 (16.04.2009 Gazette 2009/16)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(30) Priority: 09.10.2007 IT MI20071953

(71) Applicant: ENI S.p.A.
00144 Rome (IT)

(72) Inventors:
  • NOTARI, Marcello
    I-43100 Parma (IT)
  • D'ELIA, Luigi
    I-26025 Pandino (IT)
  • PIANTA, Orazio
    I-20010 Santo Stefano Ticino (IT)
  • MANNI, Massimo
    I-20097 San Donato Milanese (IT)

(74) Representative: De Gregori, Antonella 
Ing. Barzano' & Zanardo Milano S.p.A. Via Borgonuovo 10
20121 Milano
20121 Milano (IT)

   


(54) ADDITIVES CONTAINING CERIUM FOR LUBRICATING COMPOSITIONS AND METHOD FOR THE PREPARATION THEREOF