Hydroxyphenyl-substituted amine antioxidants

Details Hydroxyphenyl-substituted amine antioxidants Hydroxyphenyl-substituted amine antioxidants

1992-09-01

1994-03-08

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564381, 564382, 524 81, 524248, 252 9, 252401, C07C21127, C07C21129, C10M13308

Patent

active

052929566

ABSTRACT:
Tertiary amines corresponding to the formula Z.sub.2 Z'N in which Z is a 3,5-dihydrocarbyl-4-hydroxyphenalkyl group having the structure: ##STR1## wherein R is hydrogen or an alkyl group of 1-3 carbons; R' and R" are hydrocarbyl groups independently selected from alkyls and cycloalkyls of up to six carbons; n represents zero or one; and Z' is Z or an alkyl, alkenyl, or aralkyl group of up to 18 carbons are novel compounds having antioxidant activity in organic materials which are normally susceptible to oxidative deterioration. They are especially valuable as antioxidants for lubricants.

REFERENCES:
patent: 3043774 (1962-07-01), Coffield
patent: 3115466 (1963-12-01), Orloff et al.
patent: 3219700 (1965-11-01), O'Shea et al.
patent: 4098760 (1978-07-01), Cornell

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