Antioxidant

Details Antioxidant Antioxidant

1978-12-04

1980-09-16

Gantz, Delbert E.

Compositions

Electrolytes for electrical devices

44 78, 252404, 568722, C10M 120, C10M 314, C10L 118

Patent

active

042228840

ABSTRACT:
Organic material is stabilized against oxidative degradation by the addition of a small amount of an antioxidant compound or mixture of compounds containing a central segment of one to about ten divalent o-hydrocarbyl phenol groups (e.g. o-tert-butylphenol) bonded to each other through a methylene group and having terminal 3,5-dihydrocarbyl-4-hydroxybenzyl groups at each end. They are made by first condensing o-hydrocarbyl phenol with formaldehyde and then reacting the intermediate with 2,6-dihydrocarbyl phenol and formaldehyde.

REFERENCES:
patent: 2899394 (1959-08-01), Palfreeman
patent: 3026264 (1962-03-01), Rocklin et al.
patent: 3211652 (1965-10-01), Hinkamp
patent: 3255255 (1966-06-01), Orloff
patent: 3297575 (1967-01-01), Worrel
patent: 4053428 (1977-10-01), Pindar et al.

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