Patents by Inventor Katherine L. Faron

Katherine L. Faron has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Polyimides from bis(4-aminophenoxy) naphthalene and 2,2-bis (3,4-dicarboxyphenyl) hexafluoropropane dianhydride

Patent number: 5225517

Abstract: Polyimides having high glass transition temperature prepared from 2,2-bis(3,4-dicarboxyphenyl) hexafluoropropane dianhydride and 1,5-, 1,6-, 2,6- or 2,7-bis(4-aminophenoxy)napthalene.

Type: Grant

Filed: October 3, 1991

Date of Patent: July 6, 1993

Assignee: E. I. Du Pont de Nemours and Company

Inventor: Katherine L. Faron

Polyimides from bis(4-aminophenoxy) naphthalene and 2,2-bis (3,4-dicarboxyphenyl) hexafluoropropane dianhydride