Polymers stabilized by esters of piperidinols
US4110305A · kind A · utility
4Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1976 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Nov 15, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/46
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New alkyl substituted p-hydroxy aryl esters and alkyl substituted p-hydroxy aralkyl esters of 2,2,6,6-tetrasubstituted piperidin-4-ols are used as stabilizers for organic materials, especially for polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.