Pyrazole compounds as stabilizers for organic materials
US4146540A · kind A · utility
13Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1977 |
| Grant date | Mar 27, 1979 |
| Priority date | — |
| Expiry date | Oct 21, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0091
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention concerns certain novel compounds falling under the general formula: ##STR1## WHEREIN R.sub.1, R.sub.2 and R.sub.3 are substituents, e.g. alkyl and Me is hydrogen or a metal cation. The compounds are useful stabilizers of organic material against the degradative effect of heat, oxidation and U.V. light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.