Charles I. Sullivan

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Melrose, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydrolyzable diffusion control layers in photographic products
- Patent number 4,547,451
- Issue date Oct 15, 1985
- Polaroid Corporation, Patent Dept.
- Stanley J. Jasne
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Polymeric matrix containing .beta.-eliminating polymer and process...
- Patent number 4,426,481
- Issue date Jan 17, 1984
- Polaroid Corporation
- Charles I. Sullivan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diffusion control layers in diffusion transfer photographic products
- Patent number 4,297,431
- Issue date Oct 27, 1981
- Polaroid Corporation
- Charles I. Sullivan
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Graft copolymers as diffusion control layers in photographic diffus...
- Patent number 4,201,587
- Issue date May 6, 1980
- Polaroid Corporation
- Stanley F. Bedell
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
2-Acrylamido-2-methylpropane sulfonic acid vinyl aminimide/copolymer
- Patent number 4,140,680
- Issue date Feb 20, 1979
- Polaroid Corporation
- Charles I. Sullivan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...