Title:
COMPOSITIONS COMPRISING ALKYLATED DIPHENYLAMINES WITH IMPROVED PROPERTIES
Document Type and Number:
WIPO Patent Application WO/2022/108298
Kind Code:
A1
Abstract:
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.
Inventors:
DONG JUN (US)
LEE JEONKYU (KR)
MULQUEEN GERARD (CH)
LEE JEONKYU (KR)
MULQUEEN GERARD (CH)
Application Number:
PCT/KR2021/016769
Publication Date:
May 27, 2022
Filing Date:
November 16, 2021
Export Citation:
Assignee:
SONGWON IND CO LTD (KR)
International Classes:
C10M133/12; C09K15/18; C10N20/00; C10N30/10; C10N40/25
Domestic Patent References:
| WO2017011159A1 | 2017-01-19 |
Foreign References:
| US6315925B1 | 2001-11-13 | |||
| US3655559A | 1972-04-11 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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