O-alkylated sterically hindered antioxidants
AssigneeSongwon Industrial Co., Ltd.
InventorsJun Dong, Jeonkyu Lee, Gerard Mulqueen, Shinhyun Kim
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Abstract
The present invention relates to a composition a composition comprising compound of the general formula (I) in which R1 a straight or branched C1-C24 alkyl group; R2 is a C1-C8 alkyl group; R3 is a C1-C8 alkyl group. The invention also relates to industrial products such as additive blends, engine oils and polymer compositions comprising this compound of the general formula (I) and to the use the compound of the general formula (I) as an additive such in industrial products such as additive blends, engine oils and polymer compositions.
Claims24
A composition comprising
- i) a compound of the general formula (I)
- in which
- R1 is a C7-C9 alkyl group;
- R2 is a methyl group;
- and
- R3 is a tert-butyl group.
A compound of the general formula (I)
- in which
- R1 is a straight or branched C7-C9 alkyl group;
- R2 is a methyl group;
- R3 is a tert-butyl group,
- wherein the compound is an additive present in additive blends, engine oils or polymer compositions.
Dependencies are inferred from the claim text.