Stabilized polyolefins
US6153676A · kind A · utility
5Cited by
3References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1999 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Aug 2, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3435
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The subject matter of the invention is the use of certain piperidine compounds of formula I ##STR1## optionally in combination with an oxalanide UV absorber for the stabilization of pigmented or unpigmented polyolefins against the negative consequences of UV radiation. The invention also relates to compositions comprising a piperidine compound of formula I, a polyolefin, and an oxalanide UV absorber and compositions comprising a compound of formula I and a second HALS compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.