Steven C. Freilich

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for adhering metal to polyimide film
- Patent number 5,147,518
- Issue date Sep 15, 1992
- E. I. Du Pont de Nemours and Company
- Steven C. Freilich
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Photosensitive leuco dye containing electrostatic master with print...
- Patent number 4,945,020
- Issue date Jul 31, 1990
- E. I. Du Pont de Nemours and Company
- Richard J. Kempf
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photoconductive polyimide-electron donor charge transfer complexes
- Patent number 4,728,593
- Issue date Mar 1, 1988
- E. I. Du Pont de Nemours and Company
- Steven C. Freilich
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY