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US 4,271,079 AGranted
5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride
AssigneeDainippon Ink and Chemicals, Inc.
InventorsHiroshi Maeda, Nagao Ariga, Hiroshi Oikawa, Hidemitsu Tominaga
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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.
Claims1
Tetracarboxylic acid dianhydride of the formula:
- ##STR7##
Dependencies are inferred from the claim text.