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Richard P. Pankratz
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Circleville, OH, US
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Patents Grants
last 30 patents
Information
Patent Grant
Primed polymer films having improved adhesion characteristics and p...
Patent number
6,114,021
Issue date
Sep 5, 2000
E. I. Du Pont de Nemours and Company
Richard Paul Pankratz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive element having support with adjustable adhesion
Patent number
5,500,327
Issue date
Mar 19, 1996
E. I. Du Pont de Nemours and Company
Bernard Feinberg
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polymeric release film
Patent number
5,415,935
Issue date
May 16, 1995
E. I. Du Pont de Nemours and Company
Richard P. Pankratz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Photosensitive element having support with adjustable adhesion
Patent number
5,407,781
Issue date
Apr 18, 1995
E. I. Du Pont de Nemours and Company
Bernard Feinberg
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photosensitive element having support with adjustable adhesion
Patent number
5,292,617
Issue date
Mar 8, 1994
E. I. Du Pont de Nemours and Company
Bernard Feinberg
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polyolefin backside coating for photosensitive reproduction element
Patent number
5,135,836
Issue date
Aug 4, 1992
E. I. Du Pont de Nemours and Company
Richard P. Pankratz
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Adherable polyster film
Patent number
4,888,381
Issue date
Dec 19, 1989
E. I. Du Pont de Nemours and Company
Richard P. Pankratz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Adherable polyester film
Patent number
4,882,379
Issue date
Nov 21, 1989
E. I. Du Pont de Nemours and Company
Richard P. Pankratz
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gelatin-polyester-aziridine product subbing layer for polyester pho...
Patent number
4,241,169
Issue date
Dec 23, 1980
E. I. Du Pont de Nemours and Company
Ray A. Work
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Subbing composition comprising treated gelatin-polyester-aziridine...
Patent number
4,181,528
Issue date
Jan 1, 1980
E. I. Du Pont de Nemours and Company
Ray A. Work
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY