Polymeric articles containing hindered amine light stabilizers based on multi-functional carbonyl compounds
US6727300B2 · kind B2 · utility
11Cited by
47References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Sep 28, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3435
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Polymeric articles containing at least one polymeric material and a sufficient amount of at least one novel hindered amine light stabilizers to inhibit at least one of photo- or thermal degradation. The hindered amine light stabilizer may be a monomeric or an oligomeric hindered amine light stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.