Roger Lok

Person

Rochester, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
High chloride emulsion having high sensitivity and low fog
- Patent number 6,740,482
- Issue date May 25, 2004
- Eastman Kodak Company
- Benjamin Teh-Kung Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Bis AU(I) sensitizers and their synthesis
- Patent number 6,696,586
- Issue date Feb 24, 2004
- Eastman Kodak Company
- Brian P. Cleary
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver ion sequester and release agent
- Patent number 6,689,335
- Issue date Feb 10, 2004
- Eastman Kodak Company
- Joseph F. Bringley
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic elements containing bis Au(I) sensitizers
- Patent number 6,686,143
- Issue date Feb 3, 2004
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High chloride silver halide elements containing pyrimidine compounds
- Patent number 6,573,038
- Issue date Jun 3, 2003
- Eastman Kodak Company
- Shihua S. Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat sensitivity improvement with combinations of gold sensitizatio...
- Patent number 6,368,781
- Issue date Apr 9, 2002
- Eastman Kodak Company
- Pamela M. Ferguson
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stable and water soluble bis Au(I) complexes and their synthesis
- Patent number 6,365,746
- Issue date Apr 2, 2002
- Eastman Kodak Company
- Roger Lok
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Color reversal photographic element containing emulsion sensitized...
- Patent number 6,322,961
- Issue date Nov 27, 2001
- Eastman Kodak Company
- Wai K. Lam
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for screening chemical sensitizers
- Patent number 6,306,283
- Issue date Oct 23, 2001
- Eastman Kodak Company
- E. Steven Brandt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing bis Au(I) complexes and sulfiding a...
- Patent number 6,296,998
- Issue date Oct 2, 2001
- Eastman Kodak Company
- Jon N. Eikenberry
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
High chloride silver halide elements containing activated precursor...
- Patent number 6,280,922
- Issue date Aug 28, 2001
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide emulsions with reduced wet abrasion sensitivity
- Patent number 6,261,759
- Issue date Jul 17, 2001
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Preparation of silver chloride emulsions having iodide containing g...
- Patent number 6,033,842
- Issue date Mar 7, 2000
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stable and water soluble bis Au(I) complexes and their synthesis
- Patent number 6,034,249
- Issue date Mar 7, 2000
- Eastman Kodak Company
- Roger Lok
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic elements with reduced fog
- Patent number 5,968,724
- Issue date Oct 19, 1999
- Eastman Kodak Company
- Jon N. Eikenberry
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing antifogging cycanine dyes
- Patent number 5,958,666
- Issue date Sep 28, 1999
- Eastman Kodak Company
- Steven G. Link
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Enhanced sensitivity from thiolone dioxides in cubic silver chlorid...
- Patent number 5,952,166
- Issue date Sep 14, 1999
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing water soluble bis Au(I) complexes
- Patent number 5,945,270
- Issue date Aug 31, 1999
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Au(I) sensitizers for silver halide emulsions
- Patent number 5,939,245
- Issue date Aug 17, 1999
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Silver halide emulsions with improved heat stability
- Patent number 5,914,226
- Issue date Jun 22, 1999
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Gold(I) sensitizers for silver halide emulsions
- Patent number 5,912,111
- Issue date Jun 15, 1999
- Eastman Kodak Company
- Roger Lok
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Au(I) sensitizers for silver halide emulsions
- Patent number 5,912,112
- Issue date Jun 15, 1999
- Eastman Kodak Company
- Roger Lok
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Composite silver halide grains and processes for their preparation
- Patent number 5,792,601
- Issue date Aug 11, 1998
- Eastman Kodak Company
- James Lawrence Edwards
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Combination of dithiolone dioxides with gold sensitizers in AGCL ph...
- Patent number 5,756,278
- Issue date May 26, 1998
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cubical grain silver iodochloride emulsions and processes for their...
- Patent number 5,736,310
- Issue date Apr 7, 1998
- Eastman Kodak Company
- Benjamin Teh-Kung Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic print elements containing cubical grain silver iodochl...
- Patent number 5,726,005
- Issue date Mar 10, 1998
- Eastman Kodak Company
- Benjamin Teh-Kung Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Room-light handleable direct reversal silver halide emulsions conta...
- Patent number 5,719,019
- Issue date Feb 17, 1998
- Eastman Kodak Company
- Gaile Antoinette Janusonis
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing new gold(I) compounds
- Patent number 5,700,631
- Issue date Dec 23, 1997
- Eastman Kodak Company
- Roger Lok
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Silver halide photographic elements containing dioxide compunds a s...
- Patent number 5,693,460
- Issue date Dec 2, 1997
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic element containing new gold (I) compounds
- Patent number 5,686,236
- Issue date Nov 11, 1997
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Silver halide elements containing activated precursors to thiocyana...
- Publication number 20050123867
- Publication date Jun 9, 2005
- Eastman Kodak Company
- Roger Lok
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
NOVEL BIS AU(I) SENSITIZERS AND THEIR SYNTHESIS
- Publication number 20040030136
- Publication date Feb 12, 2004
- Eastman Kodak Company
- Brian P. Cleary
- C07 - ORGANIC CHEMISTRY
Information Patent Application
High chloride silver halide elements containing pyrimidine compounds
- Publication number 20030082492
- Publication date May 1, 2003
- Eastman Kodak Company
- Shihua S. Chen
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

High chloride emulsion having high sensitivity and low fog

Bis AU(I) sensitizers and their synthesis

Silver ion sequester and release agent

Silver halide photographic elements containing bis Au(I) sensitizers

High chloride silver halide elements containing pyrimidine compounds

Heat sensitivity improvement with combinations of gold sensitizatio...

Stable and water soluble bis Au(I) complexes and their synthesis

Color reversal photographic element containing emulsion sensitized...

Method for screening chemical sensitizers

Photographic element containing bis Au(I) complexes and sulfiding a...

High chloride silver halide elements containing activated precursor...

Silver halide emulsions with reduced wet abrasion sensitivity

Preparation of silver chloride emulsions having iodide containing g...

Stable and water soluble bis Au(I) complexes and their synthesis

Silver halide photographic elements with reduced fog

Photographic element containing antifogging cycanine dyes

Enhanced sensitivity from thiolone dioxides in cubic silver chlorid...

Photographic element containing water soluble bis Au(I) complexes

Au(I) sensitizers for silver halide emulsions

Silver halide emulsions with improved heat stability

Gold(I) sensitizers for silver halide emulsions

Au(I) sensitizers for silver halide emulsions

Composite silver halide grains and processes for their preparation

Combination of dithiolone dioxides with gold sensitizers in AGCL ph...

Cubical grain silver iodochloride emulsions and processes for their...

Photographic print elements containing cubical grain silver iodochl...

Room-light handleable direct reversal silver halide emulsions conta...

Photographic element containing new gold(I) compounds

Silver halide photographic elements containing dioxide compunds a s...

Photographic element containing new gold (I) compounds

Patents Applicationslast 30 patents

Silver halide elements containing activated precursors to thiocyana...

NOVEL BIS AU(I) SENSITIZERS AND THEIR SYNTHESIS

High chloride silver halide elements containing pyrimidine compounds