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US 12,606,763 B2Granted
SAPS-free twin-tail amine derivatives additives for lubricant for friction modification and wear prevention
AssigneeSpecialty Operations France
InventorsOlivier Back, Christelle Florence Chretien
Life of this patent
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Abstract
The present invention relates to the use as an antiwear additive (antiwear component) and friction modifier in a lubricant of at least one compound having the following formula (I) wherein: each of R and R′, which are identical of different, is a aliphatic group preferably containing between 5 and 23 carbon atoms; and a and b are integers from 0 to 4; and A is a methylene group —CH2—; or a carbonyl group —C(═O)—.
Claims16
A lubricant composition comprising at least an oil and at least a compound of formula (I):
- wherein:
- each of R and R′, which are identical or different, is an aliphatic group containing between 5 and 23 carbon atoms;
- a is an integer selected from 0, 1, 2, 3 and 4;
- b is an integer selected from 0, 1, 2, 3 and 4;
- and
- A is a methylene group —CH2— or a carbonyl group —C(═O)—.
3 more elements
A compound having the following formula (I-4):
- wherein each of R and R′, which are identical or different, is an aliphatic group containing between 5 and 23 carbon atoms.
Dependencies are inferred from the claim text.