(19)
(11) EP 1 764 407 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
04.07.2007 Bulletin 2007/27

(43) Date of publication:
21.03.2007 Bulletin 2007/12

(21) Application number: 06715134.0

(22) Date of filing: 03.03.2006
(51) International Patent Classification (IPC): 
C10M 169/00(2006.01)
C10M 119/22(2006.01)
C10M 129/42(2006.01)
C10N 10/02(2006.01)
C10N 20/06(2006.01)
C10N 30/08(2006.01)
C10N 40/00(2006.01)
C10N 40/04(2006.01)
C10N 40/34(2006.01)
 C10M 107/38(2006.01)
C10M 129/34(2006.01)
C10M 135/10(2006.01)
C10N 10/04(2006.01)
C10N 30/06(2006.01)
C10N 30/12(2006.01)
C10N 40/02(2006.01)
C10N 40/14(2006.01)
C10N 50/10(2006.01)
(86) International application number:
PCT/JP2006/304051
(87) International publication number:
WO 2006/095644 (14.09.2006 Gazette 2006/37)
(84) Designated Contracting States:
DE FR GB

(30) Priority: 07.03.2005 JP 2005061811

(71) Applicant: NOK KLÜBER CO., LTD.
Minato-ku Tokyo 105-8585 (JP)

(72) Inventors:
  • NONAKA, Takeshi, c/o NOK KLÜBER CO., LTD.
    Kitaibaraki-shi, Ibaraki 319-1541 (JP)
  • NITTA, Toshio, c/o NOK KLÜBER CO., LTD.
    Kitaibaraki-shi, Ibaraki 319-1541 (JP)
  • KITAHARA, Tetsuhiro, c/o NOK KLÜBER CO., LTD.
    Kitaibaraki-shi, Ibaraki 319-1541 (JP)
  • HASHIMOTO, Tatsuya, c/o NOK KLÜBER CO., LTD.
    Kitaibaraki-shi, Ibaraki 319-1541 (JP)

(74) Representative: Albrecht, Thomas et al
Kraus & Weisert Patent- und Rechtsanwälte Thomas-Wimmer-Ring 15
80539 München
80539 München (DE)

   


(54) LUBRICANT COMPOSITION


(57) A lubricant composition, which comprises a fluoro-oil, a powdery fluororesin thickener, and Ca salt or Na salt of aromatic sulfonic acid or saturated aliphatic dicarboxylic acid as a rust-inhibitive additive, where the thickener is in a proportion of 10-40% by weight, and the additive is in a proportion of 0.3-10% by weight, on the basis of total weight of the composition, the balance being the fluoro-oil. The lubricant composition containing the powdery fluororesin in an appropriate admixing proportion as a thickener in the fluoro oil has a distinguished rust inhibition, particularly even after having being subjected to heat hysteresis, where a perfluoropolyether oil is usually used as a fluoro-oil.