Lubricant compositions containing alkylated aromatic amino acid

Compositions – Electrolytes for electrical devices

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Details

252403, 2603265F, 562433, 562437, 562456, 562457, C10M 132

Patent

active

042049709

ABSTRACT:
Lubricant compositions containing polymer alkylated aromatic amino acids as antioxidants and a process for the preparation of these amino acids comprising hydrolysis of cyclic keto amides formed from an intramolecular acylation of an imide of an aromatic amine.

REFERENCES:
patent: 3123634 (1964-03-01), Udelhofen
patent: 3183069 (1965-05-01), Udelhofen
patent: 3270023 (1966-08-01), Shay et al.
patent: 3507880 (1970-04-01), Altwicker
patent: 3585137 (1971-06-01), Bosniack et al.
patent: 3642632 (1972-02-01), Coburn
patent: 3873459 (1975-03-01), Pawlak et al.
patent: 3993679 (1976-11-01), Hall et al.

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