Robert C. Stewart

Person

Spencerport, NY, US

People

Patents Grantslast 30 patents

Information Patent Grant
Photographic material with improved development inhibitor releases
- Patent number 7,175,975
- Issue date Feb 13, 2007
- Eastman Kodak Company
- Stephen P. Singer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Color photographic element containing coupler moiety with improved...
- Patent number 6,780,573
- Issue date Aug 24, 2004
- Eastman Kodak Company
- Stephen P. Singer
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Photographic element containing a malonanilide DIR coupler
- Patent number 6,043,016
- Issue date Mar 28, 2000
- Eastman Kodak Company
- Paul B. Merkel
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic elements containing 2-equivalent pyrazolone magenta dy...
- Patent number 5,491,054
- Issue date Feb 13, 1996
- Eastman Kodak Company
- Rakesh Jain
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Photographic elements containing 2-equivalent pyrazolone magenta dy...
- Patent number 5,484,696
- Issue date Jan 16, 1996
- Eastman Kodak Company
- Rakesh Jain
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of forming a photographic coupler capable of forming a wash-...
- Patent number 5,264,582
- Issue date Nov 23, 1993
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of photographic compounds
- Patent number 5,239,081
- Issue date Aug 24, 1993
- Eastman Kodak Company
- William J. Begley
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photographic elements and processes utilizing imagewise reduction o...
- Patent number 4,568,633
- Issue date Feb 4, 1986
- Eastman Kodak Company
- Frank V. Lovecchio
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Photographic material with improved development inhibitor releasers
- Publication number 20060008751
- Publication date Jan 12, 2006
- Eastman Kodak Company
- Stephen P. Singer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Robert C. Stewart

Person

Patents Grantslast 30 patents

Photographic material with improved development inhibitor releases

Color photographic element containing coupler moiety with improved...

Photographic element containing a malonanilide DIR coupler

Photographic elements containing 2-equivalent pyrazolone magenta dy...

Photographic elements containing 2-equivalent pyrazolone magenta dy...

Method of forming a photographic coupler capable of forming a wash-...

Preparation of photographic compounds

Photographic elements and processes utilizing imagewise reduction o...

Patents Applicationslast 30 patents

Photographic material with improved development inhibitor releasers