Imides of 1, 2, 3, 4-cyclopentanetetracarboxylic acid and the monoanhydride thereof

Claim 1

A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF THE UNSATURATED MONOIMIDE OF 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID, THE UNSUBSTITUTED MONOIMIDE OF THE MONOANHYDRIDE OF 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID, THE N-ALKYL, N-HALOALKYL, N-CYCLOALKYL, N-MONOCARBOCYLIC ARYL, N-HALO AND N-METAL MONOIMIDES OF 1,2,3,4CYCLOPENTANETETRACARBOXYLIC ACID, THE N-ALKYL, N-HALOALKYL, N-CYCLOALKYL, N-MONOCARBOCYCLIC ARYL, N-HALO AND N-METAL MONOIMIDES OF THE MONOANHYDRIDE OF 1,2,3,4CYCLOPENTANETETRACARBOXYLIC ACID, THE UNSUBSTITUTED DIIMIDE OF 1,2,3,4-CYCLOPENTANETETRACARBOXYLIC ACID AND THE N,N''-DIALKYL, N,N''-DIHALOALKYL, N,N''-DICYCLOALKYL, N,N''DIMONOCARBOCYCLIC ARYL, N-ALKYL, N''-MONOCARBOCYCLIC ARYL, N,N''-DIHALO AND N,N''-DIMETAL DIIMIDES OF 1,2,3,4CYCLOPENTANETETRACARBOXYLIC ACID, WHEREIN THE FOREGOING ALKYL GROUPS, HALOALKYL GROUPS AND CYCLOALKYL GROUPS HAVE 1 THROUGH 20 CARBON ATOMS AND THE MONOCARBOCYCLIC ARYL GROUPS HAVE 6 THROUGH 20 CARBON ATOMS.