Inventor
CLARK BERNARD A
GB20 patents
Patents
20 patentsUS6319660B1Nov 20, 2001
Color photographic element containing speed improving compound
EASTMAN KODAK CO36 citations92
US6455242B1Sep 24, 2002
Color photographic element containing speed improving compound
EASTMAN KODAK CO13 citations73
US6197488B1Mar 6, 2001
Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicity
EASTMAN KODAK CO8 citations73
US4504568AMar 12, 1985
Sensitive silver halide photothermographic materials for producing dye images
EASTMAN KODAK CO16 citations73
US6190848B1Feb 20, 2001
Color photographic element containing ballasted triazole derivative and inhibitor releasing coupler
EASTMAN KODAK CO13 citations72
US6054257AApr 25, 2000
Photographic element containing particular coupler and inhibitor releasing coupler
EASTMAN KODAK CO8 citations72
US6010837AJan 4, 2000
Silver halide photographic element comprising image dye-forming couplers
EASTMAN KODAK CO8 citations70
US6589724B1Jul 8, 2003
Color photographic element containing speed-improving benzotriazole polymer
EASTMAN KODAK CO2 citations62
US5492799AFeb 20, 1996
Azopyrazolone masking couplers
EASTMAN KODAK CO5 citations62
US5451492ASep 19, 1995
Photographic elements containing certain acylacetanilide couplers in combination with development inhibitor releasing couplers
EASTMAN KODAK CO6 citations62
US6140029AOct 31, 2000
Color photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layer
EASTMAN KODAK CO5 citations61
US7354701B2Apr 8, 2008
Photographic element with speed-enhancing compound
EASTMAN KODAK CO2 citations60
US6887656B2May 3, 2005
Color photographic element containing improved heterocyclic speed enhancing compound
EASTMAN KODAK CO4 citations60
US5366857ANov 22, 1994
Hydrophilic colloid composition for a photographic material
EASTMAN KODAK CO2 citations59
US5981158ANov 9, 1999
Photographic element containing a DIR coupler
EASTMAN KODAK CO1 citations51
US5498515AMar 12, 1996
Photographic element containing a certain sulfonated acylacetanilide coupler in combination with low- or non-chloride emulsions
EASTMAN KODAK CO1 citations51
US5451493ASep 19, 1995
Photographic element containing a certain sulfonated acylacetanilide coupler in combination with a development inhibitor releasing coupler
EASTMAN KODAK CO1 citations51
US7108964B2Sep 19, 2006
Compound containing an anthranilic acid blocking group
EASTMAN KODAK CO0 citations48
US5474889ADec 12, 1995
Hydrophilic colloid composition for a photographic material
EASTMAN KODAK CO1 citations48
US7455959B2Nov 25, 2008
Photographic element containing a speed-enhancing compound
EASTMAN KODAK CO0 citations39