Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP4953492
Kind Code:
B2
Abstract:
An improved polybutene-free lubricant composition for marine diesel engines, comprising a major amount of oil of lubricating viscosity and, provided by admixing therewith, minor amounts of a) at least one of a borated dispersant or oil-soluble or oil-dispersible boron compound; and b) one or more overbased metal compounds the or each compound having a TBN of at least 300, with the proviso that if an overbased metal salicylate is present then the TBN of said salicylate is at least 200; wherein the TBN of the composition is at least 10 and the viscosity index of the composition is at least 90.
Inventors:
Dan Adrian
Renac Alain Louis Pierre
Skiner philippe
Renac Alain Louis Pierre
Skiner philippe
Application Number:
JP54787698A
Publication Date:
June 13, 2012
Filing Date:
April 29, 1998
Export Citation:
Assignee:
Infineum USA Limited Partnership
International Classes:
C10M139/00; C10M159/20; C10M163/00; C10N10/04; C10N40/25
Domestic Patent References:
| JP2008296A | ||||
| JP55021490A |
Other References:
日本潤滑学会編,「潤滑用語解説集」,株式会社朝倉書店,1970年12月25日,p.70
Attorney, Agent or Firm:
Minoru Nakamura
Fumiaki Otsuka
Sadao Kumakura
Nobuo Ogawa
Takaki Nishijima
Atsushi Hakoda
Fumiaki Otsuka
Sadao Kumakura
Nobuo Ogawa
Takaki Nishijima
Atsushi Hakoda