Douglas M. Willis

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Rochester, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Benzothiazine dyes for imaging elements
- Patent number 6,881,840
- Issue date Apr 19, 2005
- Eastman Kodak Company
- Margaret J. Helber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Imaging materials containing novel benzothiazine dyes
- Patent number 6,558,888
- Issue date May 6, 2003
- Eastman Kodak Company
- Margaret J. Helber
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Novel benzothiazine dyes for imaging elements
- Publication number 20030192138
- Publication date Oct 16, 2003
- Eastman Kodak Company
- Margaret J. Helber
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...