Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP4805457
Kind Code:
B2
Abstract:
A di-block copolymer of poly(monovinyl aromatic hydrocarbon) and hydrogenated poly(conjugated diene) comprises poly(monovinyl aromatic hydrocarbon) in the molecular weight range 8,000 to 30,000 and has a poly(monovinyl aromatic hydrocarbon) to hydrogenated poly(conjugated diene) molecular weight ratio of from 3:2 to 10:1.
Inventors:
Daeyoung Fake
Wedlock David Jay
Wedlock David Jay
Application Number:
JP2000581123A
Publication Date:
November 02, 2011
Filing Date:
November 03, 1999
Export Citation:
Assignee:
Shell International Research Marchuppie Besloten Fennaught Chap
International Classes:
C10M143/12; C10M143/08; C10M167/00; C10M143/10; C10N20/04; C10N30/04; C10N30/12; C10N40/25
Domestic Patent References:
| JP51037285A | ||||
| JP9194591A | ||||
| JP4311798A | ||||
| JP49047401A |
Foreign References:
| WO1995034618A1 | ||||
| WO1997017417A1 |
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Takaki Nishijima
Atsushi Hakoda