Sterically hindered amine compounds
US6441166B1 · kind B1 · utility
1Cited by
7References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 1999 |
| Grant date | Aug 27, 2002 |
| Priority date | — |
| Expiry date | Dec 13, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K15/30
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A product containing 5 to 85% of a group (A-1-a) and/or (A-1-b) and 15 to 95% of a group (A-2), the total sum of the groups (A-1-a), (A-1-b) and (A-2) being 100%, is useful for stabilizing an organic material against degradation induced by light, heat or oxidation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.