Synergistic antioxidant mixtures

Details Synergistic antioxidant mixtures Synergistic antioxidant mixtures

1982-04-15

1984-05-01

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524112, 524282, 524283, 524289, 524302, 549252, 549253, 560 15, 560 17, 560144, 560152, 560154, 260455R, C07C15307, C07C15309, C08K 537

Patent

active

044462646

ABSTRACT:
Compounds prepared by reacting maleic anhydride, maleic acid or their esters with thiols; which exhibit a synergistic effect when combined with a phenolic antioxidant in the stabilization of organic materials such as natural and synthetic polymers, rubbers, lubricants and oil, etc. are disclosed.

REFERENCES:
patent: 2397960 (1946-04-01), Gribbins
patent: 2561673 (1951-07-01), Proell et al.
patent: 2581514 (1952-01-01), Chilcote
patent: 3078290 (1963-02-01), Hechenbleikner et al.
patent: 3340236 (1967-09-01), Greenlee et al.
patent: 3535368 (1970-10-01), Steinberg
patent: 3637809 (1972-01-01), Kleiner
patent: 3716466 (1973-02-01), Hook
Gerald Scott: Atmospheric Oxidation and Antioxidants, (1965), pp. 188 to 209, 217, 219, 253-257, 262-273, 290-299.

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