Siu C. Tsoi

Person

Watford, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Compound containing an anthranilic acid blocking group
- Patent number 7,108,964
- Issue date Sep 19, 2006
- Eastman Kodak Company
- Stephen P. Singer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method for developing a high contrast photographic material contain...
- Patent number 6,790,585
- Issue date Sep 14, 2004
- Eastman Kodak Company
- Jacques Roussilhe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Auxiliary developing agents, photographic materials incorporating t...
- Patent number 6,087,084
- Issue date Jul 11, 2000
- Eastman Kodak Company
- Siu C. Tsoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Organic/inorganic developer composition
- Patent number 6,083,673
- Issue date Jul 4, 2000
- Eastman Kodak Company
- Jacques Roussilhe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fogging solution for a reversal process
- Patent number 6,033,833
- Issue date Mar 7, 2000
- Eastman Kodak Company
- Siu C. Tsoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Auxiliary development agents photographic materials incorporating t...
- Patent number 5,972,584
- Issue date Oct 26, 1999
- Eastman Kodak Company
- Siu C. Tsoi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fogging solution for a reversal process
- Patent number 5,962,203
- Issue date Oct 5, 1999
- Eastman Kodak Company
- Siu C. Tsoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coupler capable of releasing a development accelerator
- Patent number 5,958,664
- Issue date Sep 28, 1999
- Eastman Kodak Company
- Siu-Chung Tsoi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-pyrazolidone compounds and photographic developer solutions conta...
- Patent number 5,942,379
- Issue date Aug 24, 1999
- Eastman Kodak Company
- Jacques Roussilhe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Auxiliary developing agents, photographic materials incorporating t...
- Patent number 5,932,399
- Issue date Aug 3, 1999
- Eastman Kodak Company
- Siu C. Tsoi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic developers containing a developing agent of the ascorb...
- Patent number 5,837,434
- Issue date Nov 17, 1998
- Eastman Kodak Company
- Jacques Roussilhe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic developing composition
- Patent number 5,780,212
- Issue date Jul 14, 1998
- Eastman Kodak Company
- Jacques Roussilhe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic silver halide color material
- Patent number 5,554,492
- Issue date Sep 10, 1996
- Eastman Kodak Company
- Siu C. Tsoi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of making a photographic developer solution
- Patent number 5,411,842
- Issue date May 2, 1995
- Eastman Kodak Company
- Michael Ridgway
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic silver halide color materials with sulfonylhydrazine c...
- Patent number 5,385,816
- Issue date Jan 31, 1995
- Eastman Kodak Company
- Paul L. R. Stanley
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Benzoylacetanilide photographic yellow dye image-forming couplers a...
- Patent number 4,978,605
- Issue date Dec 18, 1990
- Eastman Kodak Company
- Siu C. Tsoi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic acetanilide couplers and photographic elements contain...
- Patent number 4,758,501
- Issue date Jul 19, 1988
- Eastman Kodak Company
- Paul R. Buckland
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Compound containing an anthranilic acid blocking group
- Publication number 20060051710
- Publication date Mar 9, 2006
- Eastman Kodak Company
- Stephen P. Singer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for developing a high contrast photographic material contain...
- Publication number 20040023149
- Publication date Feb 5, 2004
- Jacques Roussilhe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Siu C. Tsoi

Person

Patents Grantslast 30 patents

Compound containing an anthranilic acid blocking group

Method for developing a high contrast photographic material contain...

Auxiliary developing agents, photographic materials incorporating t...

Organic/inorganic developer composition

Fogging solution for a reversal process

Auxiliary development agents photographic materials incorporating t...

Fogging solution for a reversal process

Coupler capable of releasing a development accelerator

3-pyrazolidone compounds and photographic developer solutions conta...

Auxiliary developing agents, photographic materials incorporating t...

Photographic developers containing a developing agent of the ascorb...

Photographic developing composition

Photographic silver halide color material

Method of making a photographic developer solution

Photographic silver halide color materials with sulfonylhydrazine c...

Benzoylacetanilide photographic yellow dye image-forming couplers a...

Photographic acetanilide couplers and photographic elements contain...

Patents Applicationslast 30 patents

Compound containing an anthranilic acid blocking group

Method for developing a high contrast photographic material contain...