5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride
US4271079A · kind A · utility
35Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1979 |
| Grant date | Jun 2, 1981 |
| Priority date | — |
| Expiry date | Sep 5, 1999 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C61/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel compound, 5-(2,5-dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride, of the following formula is provided. ##STR1## This novel tetracarboxylic acid dianhydride is useful as a curing agent for epoxy resins.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.