Imidazolides
US4436892A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 1982 |
| Grant date | Mar 13, 1984 |
| Priority date | — |
| Expiry date | Dec 6, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/3445
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel imidazolides (N-acylimidazoles) of the formula I ##STR1## wherein R.sub.1 is hydrogen, C.sub.1 -C.sub.12 -alkyl or phenyl, and R.sub.2 is hydrogen, or PA0 R.sub.1 is ethyl, and R.sub.2 is methyl, or PA0 R.sub.1 is hydrogen, and R.sub.2 is phenyl or methyl, and PA0 R.sub.3 is a group of any one of the formulae II-VI ##STR2## wherein X.sub.1 is hydrogen, chlorine or NO.sub.2, and X.sub.2 is hydrogen or NO.sub.2. The imidazolides are suitable as curing agents for polyepoxide compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.