Compositions comprising alkylated diphenylamines with improved properties

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United States of America Patent

PATENT NO 12203045
APP PUB NO 20230416631A1
SERIAL NO

18037216

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Abstract

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The present invention relates to a composition comprising alkylated diphenylamines of the structural formulas (I), (II), (III), and (IV), to industrial products such as additive blends, engine oils, and polymer compositions comprising the mixture of alkylated diphenylamines, and to the use of the mixture as an additive such in industrial products such as additive blends, engine oils and polymer compositions: wherein R is a branched C4-C16-alkyl group, and wherein the total amount of tetra-alkylated diphenylamines of the structural formula (IV) is in the range from 0.20 to 3.5 wt. %, based on the total weight of alkylated diphenylamines of the structural formula (I), (II), (III), and (IV) in the composition.

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Patent Owner(s)

Patent OwnerAddress
SONGWAN INDUSTRIAL CO LTD83 JANGSAENGPO-RO NAM-GU ULSAN 44781

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dong, Jun Friendswood, US 32 177
Lee, Jeonkyu Ulsan, KR 2 0
Mulqueen, Gerard Frauenfeld, CH 12 77

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