Title:
【発明の名称】非常に高い粘度指数を有する潤滑剤用の新規な炭化水素基油
Document Type and Number:
Japanese Patent JP2003520867
Kind Code:
A
Abstract:
The invention concerns a novel hydrocarbon base oil for lubricants, having a viscosity index not less than 130, comprising mainly long isoparaffinic hydrocarbon chains, branched over several carbon atoms. The invention is characterized in that said chains comprise a number of carbon atoms greater than 25 and have a ratio of the number of substituents consisting of at least two carbon atoms over the number of methyl-type substituents, not less than 0.9.
Inventors:
Olivier, Bertom
Application Number:
JP2001522368A
Publication Date:
July 08, 2003
Filing Date:
September 07, 2000
Export Citation:
Assignee:
TOTAL FINA ELF FRANCE
International Classes:
C10G45/52; C10G45/62; C10G45/64; C10G47/00; C10G65/04; C10G65/12; C10G67/02; C10G73/02; C10M101/02; C10M105/04; C10G45/48; C10N20/02; C10N30/02; C10N40/25; C10N70/00; (IPC1-7): C10M105/04; C10G45/48; C10G45/52; C10G45/62; C10G45/64; C10G47/00; C10G65/12; C10G67/02; C10G73/02; C10M101/02
Domestic Patent References:
| JPS4959802A | 1974-06-11 | |||
| JPH0665583A | 1994-03-08 | |||
| JPH06509375A | 1994-10-20 | |||
| JPH10510565A | 1998-10-13 |
Foreign References:
| WO1999041332A1 | 1999-08-19 | |||
| WO1999041335A1 | 1999-08-19 | |||
| WO1997021788A1 | 1997-06-19 | |||
| WO1997018278A1 | 1997-05-22 |
Attorney, Agent or Firm:
Kenji Yoshitake (3 others)