Title:
ギアオイル組成物、その製造方法及び使用方法
Document Type and Number:
Japanese Patent JP5363565
Kind Code:
B2
Abstract:
A gear oil composition is provided. The composition comprises a synergistic amount of an isomerized base oil having consecutive numbers of carbon atoms and less than 10 wt % naphthenic carbon by n-d-M for the gear oil composition to have a traction coefficient at 15 mm2/s. of less than 0.030 and a pressure viscosity coefficient of at least 15.0 at 80° C. In one embodiment, the sufficient amount of isomerized base oil ranges from 20 to 80 wt. % based on the total weight of the gear oil composition.
Inventors:
Hey, Alan, Gee.
Mirror, Trevor
Mirror, Trevor
Application Number:
JP2011512538A
Publication Date:
December 11, 2013
Filing Date:
May 29, 2009
Export Citation:
Assignee:
Chevron U.S.A. Inc.
International Classes:
C10M111/02; C10M101/02; C10M105/04; C10N20/00; C10N20/02; C10N20/04; C10N30/00; C10N40/04
Domestic Patent References:
| JP2007538144A | ||||
| JP2007516337A | ||||
| JP2007534826A |
Foreign References:
| WO2007118158A1 |
Attorney, Agent or Firm:
Asamura patent office
Hideto Asamura
Hajime Asamura
Makoto Tatsumi
Katsunori Ando
Kameoka Mikio
Yuichiro Asano
Yoichiro Uemura
Hideto Asamura
Hajime Asamura
Makoto Tatsumi
Katsunori Ando
Kameoka Mikio
Yuichiro Asano
Yoichiro Uemura