Inventor
FRIEDRICH LOUIS E
US22 patents
Patents
22 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
US5681691AOct 28, 1997
Photographic element containing an improved pyrazolotriazole coupler
EASTMAN KODAK CO7 citations73
US5455141AOct 3, 1995
Photographic elements containing blocked dye moieties
EASTMAN KODAK CO9 citations73
US5354650AOct 11, 1994
Photographic elements containing release compounds
EASTMAN KODAK CO15 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
US6110657AAug 29, 2000
Photographic recording material for accelerated development
EASTMAN KODAK CO7 citations71
US6589724B1Jul 8, 2003
Color photographic element containing speed-improving benzotriazole polymer
EASTMAN KODAK CO2 citations62
US6309811B2Oct 30, 2001
Color photographic element containing nitrogen heterocycle derivative and inhibitor releasing coupler
EASTMAN KODAK CO3 citations62
US6190849B1Feb 20, 2001
Photographic element containing ballasted tetrazole derivative and inhibitor releasing coupler
EASTMAN KODAK CO5 citations62
US5985532ANov 16, 1999
Photographic element containing an improved pyrozolotriazole coupler
EASTMAN KODAK CO4 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
US6043013AMar 28, 2000
Color photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layer
EASTMAN KODAK CO4 citations60
US6440653B2Aug 27, 2002
Method of producing a photographic image
EASTMAN KODAK CO0 citations52
US6569612B1May 27, 2003
Photographic element containing a high-dye-yield coupler for producing a yellow hue
EASTMAN KODAK CO1 citations51
US6228572B1May 8, 2001
Color photographic element containing ballasted mercaptodiazole derivative and inhibitor releasing coupler
EASTMAN KODAK CO1 citations49
US7108964B2Sep 19, 2006
Compound containing an anthranilic acid blocking group
EASTMAN KODAK CO0 citations48
US7455959B2Nov 25, 2008
Photographic element containing a speed-enhancing compound
EASTMAN KODAK CO0 citations39