Title:
COMPOSITION USEFUL AS LUBRICANT AND ITS PREPARATION
Document Type and Number:
Japanese Patent JPH02298589
Kind Code:
A
Abstract:
PURPOSE: To obtain a new lubricant compsn. with protective action to wearing of a hydraulic fluid and excellent heat stability by incorporating an org. compd. obtd. by reacting an org. phosphite compd., etc., with an alkyl-substd. succinic acid, etc.
CONSTITUTION: This compsn. is obtd. by incorporating an org. compd. contg. a carboxylic acid functional group, an org. ester functional group and a phosphine, phosphite or phosphate extreme pressure functional group obtd. by reacting tris(oxyalkylene glycol) phosphite or tris(oxyalkylene glycol) phosphate (A) with an alkyl-, alkaryl-, aralkyl- or alkenyl-substd. succinic acid (anhydride) (B).
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Inventors:
JIYOSEFU TEII RAEMURU
JIYON BOHEICHITSUKU
EBANGERIA DEII MARETSUKI
JIYON BOHEICHITSUKU
EBANGERIA DEII MARETSUKI
Application Number:
JP7856890A
Publication Date:
December 10, 1990
Filing Date:
March 27, 1990
Export Citation:
Assignee:
ALUMINUM CO OF AMERICA
International Classes:
C07F9/09; C07F9/141; C07F9/53; C10M137/02; C10M137/04; C10M137/12; C10M159/12; C10M169/04; C10M173/00; C10N30/06; C10N40/24; (IPC1-7): C10M137/02; C10M137/04; C10M137/12; C10M159/12; C10N30/06; C10N40/24
Attorney, Agent or Firm:
Akira Asamura (2 outside)
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