Sulfur-bridged phenolic antioxidants

Details Sulfur-bridged phenolic antioxidants Sulfur-bridged phenolic antioxidants

1989-08-03

1990-08-07

Dixon, Jr., William R.

Compositions

Electrolytes for electrical devices

252 484, 568 23, 568 75, C10M13530

Patent

active

049466100

ABSTRACT:
A liquid, sulfur-bridged, hindered phenol antioxidant composition is prepared by reacting a mixture of hindered phenols with a sulfur chloride in the presence of a polar modifier. The composition is an effective antioxidant in lubricating oils without causing excessive copper corrosion.

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patent: 3883501 (1975-05-01), Malec et al.
patent: 3929654 (1975-12-01), Brewster et al.
patent: 4877902 (1989-10-01), Gatto

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