Inventor · disambiguated record
Louis E. Friedrich
Also filed as: FRIEDRICH LOUIS · FRIEDRICH LOUIS E · FRIEDRICH LOUIS ELBERT
23 granted patents·4 pending applications·148 citations·filing 1993–2021
95Inventor score
Top patents by PatentIndex Score
27 records- 0197US6319660B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 1999·Granted Nov 20, 2001·36 cites·133 claims
- 0293US6455242B1Color photographic element containing speed improving compoundEASTMAN KODAK CO·Filed 2001·Granted Sep 24, 2002·13 cites·13 claims
- 0386US5354650APhotographic elements containing release compoundsEASTMAN KODAK CO·Filed 1993·Granted Oct 11, 1994·15 cites·13 claims
- 0485US6190848B1Color photographic element containing ballasted triazole derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted Feb 20, 2001·13 cites·36 claims
- 0580US7175975B2Photographic material with improved development inhibitor releasesEASTMAN KODAK CO·Filed 2005·Granted Feb 13, 2007·1 cites·19 claims
- 0676US6054257APhotographic element containing particular coupler and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1998·Granted Apr 25, 2000·8 cites·30 claims
- 0774US6887656B2Color photographic element containing improved heterocyclic speed enhancing compoundEASTMAN KODAK CO·Filed 2003·Granted May 3, 2005·4 cites·38 claims
- 0874US5681691APhotographic element containing an improved pyrazolotriazole couplerEASTMAN KODAK CO·Filed 1996·Granted Oct 28, 1997·7 cites·20 claims
- 0967US6140029AColor photographic element containing elemental silver and nitrogen heterocycle in a non-light sensitive layerEASTMAN KODAK CO·Filed 1999·Granted Oct 31, 2000·5 cites·25 claims
- 1066US7354701B2Photographic element with speed-enhancing compoundEASTMAN KODAK CO·Filed 2004·Granted Apr 8, 2008·2 cites·27 claims
- 1166US6589724B1Color photographic element containing speed-improving benzotriazole polymerEASTMAN KODAK CO·Filed 2001·Granted Jul 8, 2003·2 cites·40 claims
- 1262US6043013AColor photographic element containing elemental silver and heterocyclic thiol in a non-light sensitive layerEASTMAN KODAK CO·Filed 1998·Granted Mar 28, 2000·4 cites·17 claims
- 1356US6309811B2Color photographic element containing nitrogen heterocycle derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted Oct 30, 2001·3 cites·37 claims
- 1450US5985532APhotographic element containing an improved pyrozolotriazole couplerEASTMAN KODAK CO·Filed 1996·Granted Nov 16, 1999·4 cites·19 claims
- 1545US2023311085A1Process Gas Dividing System and Use of the Process Gas Dividing SystemGLATT INGENIEURTECHNIK GES MIT BESCHRAENKTER HAFTUNG·Filed 2021·Application pending·0 cites
- 1645US2023294067A1Reactor System for Producing and/or Treating Particles in an Oscillating Process Gas FlowGLATT INGENIEURTECHNIK GES MIT BESCHRAENKTER HAFTUNG·Filed 2021·Application pending·0 cites
- 1745US2023149884A1Reactor System and Method for Producing and/or Treating ParticlesGLATT INGENIEURTECHNIK GES MIT BESCHRAENKTER HAFTUNG·Filed 2021·Application pending·0 cites
- 1844US5455141APhotographic elements containing blocked dye moietiesEASTMAN KODAK CO·Filed 1994·Granted Oct 3, 1995·9 cites·13 claims
- 1942US7455959B2Photographic element containing a speed-enhancing compoundEASTMAN KODAK CO·Filed 2004·Granted Nov 25, 2008·0 cites·26 claims
- 2042US6228572B1Color photographic element containing ballasted mercaptodiazole derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted May 8, 2001·1 cites·22 claims
- 2140US6197488B1Color photographic element containing a coupler releasing derivative with at least three heteroatoms with specific hydrophobicityEASTMAN KODAK CO·Filed 1999·Granted Mar 6, 2001·8 cites·41 claims
- 2238US6110657APhotographic recording material for accelerated developmentEASTMAN KODAK CO·Filed 1998·Granted Aug 29, 2000·7 cites·25 claims
- 2336US6190849B1Photographic element containing ballasted tetrazole derivative and inhibitor releasing couplerEASTMAN KODAK CO·Filed 1999·Granted Feb 20, 2001·5 cites·30 claims
- 2436US2023151832A1Pressure Loss Generating Device and Use of the Pressure Loss Generating DeviceGLATT INGENIEURTECHNIK GES MIT BESCHRAENKTER HAFTUNG·Filed 2021·Application pending·0 cites
- 2534US6569612B1Photographic element containing a high-dye-yield coupler for producing a yellow hueEASTMAN KODAK CO·Filed 2001·Granted May 27, 2003·1 cites·39 claims
- 2630US6440653B2Method of producing a photographic imageEASTMAN KODAK CO·Filed 2001·Granted Aug 27, 2002·0 cites·10 claims
- 2729US7108964B2Compound containing an anthranilic acid blocking groupEASTMAN KODAK CO·Filed 2005·Granted Sep 19, 2006·0 cites·21 claims
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