N,N'-Disubstituted 2,4'-diaminodiphenyl ethers as antioxidants

Compositions – Electrolytes for electrical devices

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252 475, 252402, 252403, C10M 132

Patent

active

043092942

ABSTRACT:
N,N'-disubstituted 2,4'-diaminodiphenyl ethers are a potent antioxidant for petroleum products and petroleum-related products. In particular, the N,N'-dibenzyl derivative and other aromatic and hetero-aromatic analogs of the dibenzyl derivatives exhibit desirable antioxidant properties at levels as low as about 0.05% by weight.

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patent: 3169926 (1965-02-01), Symon
patent: 3240706 (1966-03-01), Cyba et al.
patent: 3502581 (1970-03-01), Cyba

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