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Patent Searching and Data


Title:
ANTIOXIDATIVE LUBRICATING OIL ADDITIVE
Document Type and Number:
Japanese Patent JP3953186
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a new antioxidative lubricating oil additive which can be added to all the kinds of lubricating oil by using a specific polyamine compd. as the additive.
SOLUTION: The additive is a polyamine compd. of the formula (wherein R1 and R2 are each an alkylene; R3 is H or a hydrocarbon group; and m and n are each 1 or higher). Pref., in the formula, m is 1; R1 and R2 are both ethylene; and R3 H, an 1-18C alkyl, alkenyl, or aryl, Pref., a lubricating oil compsn. is prepd. by compounding a lube base oil with the additive in an amt. of 0.01-20 wt.% of the base oil. A mineral oil, a synthetic oil, or a mixture thereof can be used as the base oil. If necessary, the additive can be used jointly with other lubricating oil additives, such as an oiliness improver, a friction modifier, an extreme pressure agent, an antioxidant, a detergent, a dispersant, a viscosity index improver, and a rust preventive.


Inventors:
Tatsumi Yukio
Naomi Koishikawa
Yoko Saito
Application Number:
JP11229298A
Publication Date:
August 08, 2007
Filing Date:
April 22, 1998
Export Citation:
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Assignee:
ADEKA CORPORATION
International Classes:
C09K15/20; C10M149/22; C10M133/08; C10M133/14; C10N30/10; (IPC1-7): C10M149/22; C09K15/20; C10M133/14; //C10N30:10
Domestic Patent References:
JP54129256A
JP4153294A
JP4183791A
JP7197057A
JP11263756A
Attorney, Agent or Firm:
Michiteru Soga
Michiharu Soga
Yutaka Ikeya
Hidetoshi Furukawa
Suzuki Kenchi
Masahisa Hase