3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers
US10259931B2 · kind B2 · utility
6Cited by
8References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 14, 2018 |
| Grant date | Apr 16, 2019 |
| Priority date | — |
| Expiry date | Mar 14, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a composition comprising an organic material susceptible to oxidative, thermal or light-induced degradation and a compound of formula I-P, I-O or I-M Further embodiments are a compound of formula I-P, I-O or I-M, a process for protection of the organic material by the compound, the use of the compound for stabilizing the organic material, an additive composition comprising the compound, a process for manufacturing the compound and intermediates involved therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.