3-phenyl-benzofuran-2-one derivatives containing phosphorus as stabilizers
US9951207B2 · kind B2 · utility
6Cited by
10References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2015 |
| Grant date | Apr 24, 2018 |
| Priority date | — |
| Expiry date | Apr 12, 2035 |
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 1-P, 1-O or I-M. Further embodiments are a compound of formula 1-P, 1-O or 1-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.