Title:
O-ALKYLATED STERICALLY HINDERED ANTIOXIDANTS
Document Type and Number:
WIPO Patent Application WO/2022/270925
Kind Code:
A1
Abstract:
The present invention relates to a composition comprising a compound of the general formula (I) in which R1 a straight or branched C1-C24 alkyl group; R2 is a C1-C8 alkyl group; and 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.
Inventors:
DONG JUN (US)
LEE JEONKYU (KR)
MULQUEEN GERARD (CH)
KIM SHINHYUN (KR)
LEE JEONKYU (KR)
MULQUEEN GERARD (CH)
KIM SHINHYUN (KR)
Application Number:
PCT/KR2022/008901
Publication Date:
December 29, 2022
Filing Date:
June 22, 2022
Export Citation:
Assignee:
SONGWON IND CO LTD (KR)
International Classes:
C10N30/10; C07C69/612; C10M129/70
Foreign References:
| EP0384393B1 | 1996-05-01 | |||
| US3717611A | 1973-02-20 |
Other References:
DATABASE REGISTRY 24 August 2017 (2017-08-24), ANONYMOUS : "-Benzenepropanoic acid, 3-(1,1-dimethylethyl)-4-methoxy-5-methyl-, methyl ester (CA INDEX NAME)", XP093020215, retrieved from STN Database accession no. 2119223-89-9
DATABASE REGISTRY 18 August 2017 (2017-08-18), ANONYMOUS : "-Benzenepropanoic acid, 3-(1,1-dimethylethyl)-4-methoxy-5-methyl-, ethyl ester (CA INDEX NAME) ", XP093020217, retrieved from STN Database accession no. 2115953-96-1
DATABASE REGISTRY 2 February 2014 (2014-02-02), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-ethoxy-, methyl ester (CA INDEX NAME) ", XP093020218, retrieved from STN Database accession no. 1535424-33-9
DATABASE REGISTRY 1 January 2014 (2014-01-01), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-propoxy-, methyl ester (CA INDEX NAME) ", XP093020219, retrieved from STN Database accession no. 1508749-56-1
DATABASE REGISTRY 27 December 2013 (2013-12-27), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-(1-methylethoxy)-, methyl ester (CA INDEX NAME)", XP093020221, retrieved from STN Database accession no. 1505208-57-0
DATABASE REGISTRY 18 August 2017 (2017-08-18), ANONYMOUS : "-Benzenepropanoic acid, 3-(1,1-dimethylethyl)-4-methoxy-5-methyl-, ethyl ester (CA INDEX NAME) ", XP093020217, retrieved from STN Database accession no. 2115953-96-1
DATABASE REGISTRY 2 February 2014 (2014-02-02), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-ethoxy-, methyl ester (CA INDEX NAME) ", XP093020218, retrieved from STN Database accession no. 1535424-33-9
DATABASE REGISTRY 1 January 2014 (2014-01-01), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-propoxy-, methyl ester (CA INDEX NAME) ", XP093020219, retrieved from STN Database accession no. 1508749-56-1
DATABASE REGISTRY 27 December 2013 (2013-12-27), ANONYMOUS : "-Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-(1-methylethoxy)-, methyl ester (CA INDEX NAME)", XP093020221, retrieved from STN Database accession no. 1505208-57-0
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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