Antiwear and antioxidant additives

Details Antiwear and antioxidant additives Antiwear and antioxidant additives

1995-03-10

1996-11-12

Shippen, Michael L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

560147, 560152, 564192, C07C31500

Patent

active

055741843

ABSTRACT:
A lubricant additive having antiwear and antioxidant properties is the reaction product of a sulfur-containing carboxylic acid and an etheramine, preferably 3,3'-thiodipropionic acid and N-isoeicosyloxypropyl-1,3-diaminopropane which is post reacted with an aliphatic alcohol, preferably oleyl alcohol, an aliphatic amine, preferably a tert-C.sub.12 to C.sub.14 amine and/or a trialkyl phosphite, preferably a tributylphosphite. The post-reaction product contains at least one ester, amide and/or phosphonate functional group.

REFERENCES:
patent: 4327111 (1982-04-01), Sundeen
Sax and Lewis, Hawley's Condensed Chemical Dictionary, 11th Edition (1987).
Dutta, J. Med. Chem., 33, pp. 2560-2568 (1990).

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