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Title:
LUBRICANT COMPOSITION
Document Type and Number:
Japanese Patent JP3038538
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To obtain a lubricant composition comprising a lubricant and a specific compound as a stabilizer, and stabilized against heat, oxidation or light- induced collapse.
SOLUTION: This lubricant composition comprises a lubricant and at least one of compounds of formula I and II [R1 is a 8-20C alkyl, etc., which are not substituted or are substituted by one or two hydroxyl groups or intermitted with -O-; R2, R2', R2" are each a 1-20C alkyl, allyl, methallyl, etc.; R3 is H, a 1-20C alkyl, a 2-18C alkenyl, etc.; R4 is H, a 1-20C alkyl, a 2-18C alkenyl; Z1 is -S-,-C(Z3)(Z4)-; Z2 is H, a 1-20C alkyl, etc.; Z3, Z4 are each H, methyl] e.g. 2,6-bis-(2'-hydroxyethylthiomethyl)-4-methylphenol. The compound is preferably added in an amount of 0.05-5.0wt.% per the lubricant.


Inventors:
Hans Rudolf Meyer
Samuel Evans
Paul Dups
Application Number:
JP19845496A
Publication Date:
May 08, 2000
Filing Date:
July 09, 1996
Export Citation:
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Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
C07C323/52; C08K5/13; C08K5/36; C08K5/37; C08K5/375; C07C323/16; C08L75/04; C08L101/00; C09K15/14; C10M135/22; C10M135/24; C10M135/26; C10M135/28; C10N30/00; C10N30/08; C10N30/10; C10N40/25; (IPC1-7): C10M135/24; C10M135/26
Domestic Patent References:
JP6110550A
Other References:
【文献】米国特許2415833(US,A)
【文献】米国特許2417118(US,A)
【文献】米国特許3227677(US,A)
【文献】Chemical Abstracts,No.83:79881(1975)
【文献】Chemical Abstracts,No.89:27167(1978)
Attorney, Agent or Firm:
Nobuo Kaida (1 person outside)