Sutton, Jr.; Richard F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sutton, Jr.; Richard F..The latest application filed is for "tetrapolyimide film containing benzophenone tetracarboxylic dianhydride".
- Sutton, Jr.; Richard F. - Circleville OH
| Patent | Date |
|---|---|
| Tetrapolyimide film containing benzophenone tetracarboxylic dianhydride Grant 5,196,500 - Kreuz , et al. * March 23, 1 | 1993-03-23 |
| Copolyimide film with improved properties Grant 5,166,308 - Kreuz , et al. November 24, 1 | 1992-11-24 |
| Polyimide molecular weight enhancement by solvent extraction Grant 4,906,731 - Sutton, Jr. March 6, 1 | 1990-03-06 |
| Polyimide manufacture Grant 4,358,581 - Sutton, Jr. November 9, 1 | 1982-11-09 |
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