Felix Viro

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Apalachin, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrophilic color coupler composition containing diepoxide
- Patent number 4,252,894
- Issue date Feb 24, 1981
- GAF Corporation
- Felix Viro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color developer for diffusion transfer
- Patent number 4,066,457
- Issue date Jan 3, 1978
- GAF Corporation
- Theodore Panasik
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diffusion transfer color process using lactone or sultone ring cont...
- Patent number 4,036,643
- Issue date Jul 19, 1977
- GAF Corporation
- Felix Viro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Hydrophilic coupler solutions
- Patent number 3,989,529
- Issue date Nov 2, 1976
- GAF Corporation
- Felix Viro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY