Peter John Wright

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Ilford, GB

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Patents Grantslast 30 patents

Information Patent Grant
Stripping layers in diffusion transfer film
- Patent number 4,328,301
- Issue date May 4, 1982
- Ciba-Geigy AG
- Peter J. Wright
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Receiving elements containing graft gelatin polymers as dye mordants
- Patent number 4,278,749
- Issue date Jul 14, 1981
- Ciba-Geigy AG
- Peter J. Wright
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Quaternary ammonium polymers and photographic materials containing...
- Patent number 4,108,802
- Issue date Aug 22, 1978
- Ciba-Geigy AG
- Peter John Wright
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biaxially oriented synthetic linear polyester film base material wi...
- Patent number 4,098,953
- Issue date Jul 4, 1978
- Ciba-Geigy AG
- Peter John Wright
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY