Lubricating oil

Details Lubricating oil Lubricating oil

2011-03-08

2011-03-08

Sullivan, Daniel M (Department: 1621)

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

Organic compounds

Oxygen containing

C560S179000, C560S190000, C568S420000, C568S665000

Reexamination Certificate

active

07902406

ABSTRACT:
The present invention provides a lubricating oil comprising an alicyclic compound represented by a general formula (I):wherein n is an integer of 0 or 1; one of R1and R2represents —CH2OR4(wherein R4represents a carboxylic acid residue) while the other one represents alkyl, lower alkyl-substituted or unsubstituted cycloalkyl, aryl, or aralkyl; and R3represents —CH2OR5(wherein R5represents a carboxylic residue) and the like. The lubricating oil of the present invention has an excellent traction coefficient, excellent heat resistance, or the like. For the lubricating oil of the present invention, the alicyclic compound represented by the general formula (I) can be directly used as it is, and other base oils such as ester oil, poly-α-olefin, mineral oil, or silicone oil may be included therein, if necessary.

REFERENCES:
patent: 04-159250 (1992-06-01), None
patent: 04-339893 (1992-11-01), None
patent: 07-025797 (1995-01-01), None
patent: 2001-064372 (2001-03-01), None
patent: 2001-064374 (2001-03-01), None

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