Antioxidant composition
US11180631B2 · kind B2 · utility
3Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2016 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Jun 24, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention provides a stabilising composition, comprising: a) a first phenolic antioxidant comprising one or more phenolic compounds having the structure of formula (I) wherein R1 is a linear or branched alkyl group having from 12 to 20 carbon atoms; and b) one or more second phenolic antioxidants independently selected from: a mono-hydroxybenzene having lower steric hindrance than the first phenolic antioxidant; a di-hydroxybenzene; and/or a tri-hydroxybenzene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.