Aromatic disulfone dianhydrides

Details Aromatic disulfone dianhydrides Aromatic disulfone dianhydrides

1977-09-02

1978-07-25

Raymond, Richard L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D30789

Patent

active

041029054

ABSTRACT:
There are provided bis(sulfone) aromatic dianhydrides and methods for making these materials. These aromatic disulfone dianhydrides can be used to make polyimides and polyesters, and can be used as curing agents for epoxy resins.

REFERENCES:
patent: 3850964 (1974-11-01), Williams
patent: 3933862 (1976-01-01), Williams

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