Antioxidant compositions

Details Antioxidant compositions Antioxidant compositions

1978-12-21

1980-08-12

Metz, Andrew

Compositions

Electrolytes for electrical devices

252 45, 252 75, 252400R, 260139, 260665G, C10M 154

Patent

active

042172322

ABSTRACT:
Compositions having highly effective antioxidant characteristics are provided comprising organic media, normally susceptible to oxidation, such as oils of lubricating viscosity, containing a minor amount sufficient to impart antioxidant properties thereto of the reaction product of a polysulfide and a hydrocarbylmagnesium halide or a Grignard reagent.

REFERENCES:
patent: 2855397 (1958-10-01), Ramsden
patent: 3642631 (1972-02-01), Gisser et al.
patent: 3644282 (1972-02-01), Bresson
patent: 3652495 (1972-03-01), Dean
patent: 3697499 (1972-10-01), Myers
patent: 3781361 (1973-12-01), Wheeler
patent: 3873454 (1975-03-01), Horodysky et al.
patent: 3925414 (1975-12-01), Landis et al.
patent: 4090970 (1978-05-01), Braid
Kharasch et al., "Grignard Reactions of Nonmetallic Substances", Chapt. XXI, p. 1301, Chapt. XV, p. 1036, 1954.
Nesmeyanov et al., "Methods of Elements-Organic Chemistry" vol. 2, Mg, Be, Ca, Sr, Ba, p. 631, 1967.

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