Title:
潤滑油組成物
Document Type and Number:
Japanese Patent JP3993901
Kind Code:
B2
Abstract:
A lubricating oil composition suitable for use in low or medium speed diesel engines comprises a fuel oil with a residual oil content characterised in that the lubricating oil composition further comprises a hydrocarbyl-substituted phenate concentrate having a TBN greater than 300, and at least one of a hydrocarbyl-substituted salicylate and a hydrocarbyl-substitute sulphonate. The hydrocarbyl-substituted phenate is preferably one modified by incorporation of a carboxylic acid of the formula RCH(R1)CO2H where R is a C10-C24 alkyl group and R1 is hydrogen or a C1 to C4 alkyl group e.g. stearic acid.
Inventors:
Stephen James Cook
Sean Patrick O'Corner
John Crawford
Sean Patrick O'Corner
John Crawford
Application Number:
JP202095A
Publication Date:
October 17, 2007
Filing Date:
January 10, 1995
Export Citation:
Assignee:
BP CHEMICALS (ADDITIVES) LIMITED
International Classes:
C10M159/22; C10M169/04; C10M159/20; C10M163/00; F01M11/00; C10M129/40; C10N10/04; C10N20/00; C10N30/04; C10N40/25; C10N60/00; F02B3/06; F02B75/02
Domestic Patent References:
| JP1236299A | ||||
| JP6044595A | ||||
| JP234690A | ||||
| JP1501399A | ||||
| JP58225197A | ||||
| JP28296A | ||||
| JP7197067A |
Attorney, Agent or Firm:
Haruo Hamada