Document Type and Number:
Japanese Patent JPH0325477
Kind Code:
B2
Abstract:
A lubricating oil composition having improved properties comprises a major proportion by weight of a lubricating oil, a dispersant compound, from 0.01 to 0.5 wt % phosphorus and zinc and 5 to 500 parts per million of copper, and additive concentrates for blending with oil to produce such lubricating oil compositions.
Inventors:
TERENSU KORUKURAFU
FUREDERITSUKU ARASUTEA GIBUSON
JON FUREDERITSUKU MAASHU
FUREDERITSUKU ARASUTEA GIBUSON
JON FUREDERITSUKU MAASHU
Application Number:
JP12164988A
Publication Date:
April 08, 1991
Filing Date:
May 18, 1988
Export Citation:
Assignee:
EXXON RESEARCH ENGINEERING CO
International Classes:
C10M165/00; C10M129/40; C10M129/56; C10M129/68; C10M133/16; C10M135/10; C10M135/18; C10M135/28; C10M137/10; C10M141/10; C10M149/10; C10M159/16; C10M167/00; C10M169/06; C10N10/02; C10N10/04; C10N30/02; C10N30/04; C10N30/06; C10N30/10; C10N40/04; C10N40/25; C10N60/14
Next Patent: JPH0325478