Arylenediamine substituted pyrimidines
US4946956A · kind A · utility
6Cited by
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2Claims
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Assignee
Inventors
Key dates
| Filing date | Sep 21, 1988 |
| Grant date | Aug 7, 1990 |
| Priority date | — |
| Expiry date | Sep 21, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3462
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are novel 2,4,6 substituted pyrimidines where the substituents may be the same or different groups. At least one substituent must be N-alkyl parphenylenediamino, and the other substituents may be various radicals containing sulfur, oxygen or nitrogen or hydrogen or alkyl groups. The compounds are useful as antioxidants and antiozonants for unsaturated compounds and polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.