Substituted 1,4-diamino-2-butene stabilizers

Details Substituted 1,4-diamino-2-butene stabilizers Substituted 1,4-diamino-2-butene stabilizers

1991-05-16

1994-02-01

Raymond, Richard L.

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

Organic compounds

Amino nitrogen containing

564454, 564455, 564457, 564461, C07C21122

Patent

active

052833674

ABSTRACT:
N,N,N',N'-Tetrasubstituted 1,4-diamino-2-butenes where the substituents are alkyl, cycloalkyl, aralkyl, aryl or mixtures thereof provide effective antioxidant protection to lubricants and/or synthetic polymers.

REFERENCES:
patent: 2419735 (1941-09-01), Sloan
patent: 3098841 (1963-07-01), Morris et al.
patent: 3461165 (1969-08-01), Frye
patent: 3522620 (1970-08-01), Nozawa et al.
patent: 3660290 (1972-05-01), Schlobohm
patent: 3944492 (1976-03-01), Wheeler
patent: 4562249 (1985-12-01), Schwander et al.
Fine Chemicals Patents Journal, 6(10), French 5:4 abstract FR. 1,427,290 (Jun. 1965).
Derwent Abst. of JP 2228395 (1989).
Research Disclosure 15653 (Apr. 1977).

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