Title:
フィッシャートロプシュ留出物基油から調製されるマルチグレードエンジン油
Document Type and Number:
Japanese Patent JP2008509244
Kind Code:
A
Abstract:
A multigrade engine oil meeting the specifications for SAE J300 revised June 2001 requirements and a process for preparing it, said engine oil comprising (a) between about 15 to about 94.5 wt % of a hydroisomerized distillate Fischer-Tropsch base oil characterized by (i) a kinematic viscosity between about 2.5 and about 8 cSt at 100° C., (ii) at least about 3 wt % of the molecules having cycloparaffin functionality, and (iii) a ratio of weight percent molecules with monocycloparaffin functionality to weight percent of molecules with multicycloparaffin functionality greater than about 15; (b) between about 0.5 to about 20 wt % of a pour point depressing base oil blending component prepared from an hydroisomerized bottoms material having an average degree of branching in the molecules between about 5 and 9 alkyl-branches per 100 carbon atoms and wherein not more than 10 wt % boils below about 900° F.; and (c) between about 5 to about 30 wt % of an additive package designed to meet the specifications for ILSAC GF-3.
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Inventors:
Rosenbaum, John, M.
Miller, Stephen, Jay.
Abernathy, Susan, M.
Miller, Stephen, Jay.
Abernathy, Susan, M.
Application Number:
JP2007524818A
Publication Date:
March 27, 2008
Filing Date:
July 13, 2005
Export Citation:
Assignee:
Chevron U.S.A. Inc.
International Classes:
C10M169/04; C10G2/00; C10G45/64; C10G67/02; C10M105/04; C10M107/02; C10N10/04; C10N20/00; C10N20/02; C10N20/04; C10N30/02; C10N30/08; C10N40/25
Domestic Patent References:
| JP2005538217A | 2005-12-15 | |||
| JP2002524610A | 2002-08-06 | |||
| JP2000502135A | 2000-02-22 | |||
| JP2005516106A | 2005-06-02 | |||
| JP2004526035A | 2004-08-26 | |||
| JP2002538232A | 2002-11-12 | |||
| JP2007510776A | 2007-04-26 | |||
| JP2006519910A | 2006-08-31 |
Foreign References:
| WO2004003113A1 | 2004-01-08 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda