Inventor · disambiguated record
Werner Hummel
Also filed as: HUEMMEL WERNER · HUMMEL WERNER
38 granted patents·6 pending applications·937 citations·filing 1979–2025
97Inventor score
Files withDEGUSSA14PHARMAZELL GMBH10FORSCHUNGSZENTRUM JUELICH GMBH8BEHR GMBH & CO3SUEDDEUTSCHE KUEHLER BEHR3
Top patents by PatentIndex Score
44 records- 0197US6399339B1Method for the enantioselective reduction of 3,5-dioxocarboxylic acids, their salts and their estersFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1999·Granted Jun 4, 2002·222 cites·16 claims
- 0296US5200335APhenylethanol dehydrogenase capable of reducing acetophenone to r(+)-phenylethanolFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1991·Granted Apr 6, 1993·111 cites·4 claims
- 0395US6689591B2Method of reducing keto-carboxylic acids and their estersFORSCHUNGSZENTRUM JUELICH GMBH·Filed 2002·Granted Feb 10, 2004·57 cites·10 claims
- 0495US6225099B1Alcohol dehydrogenase and its use for the enzymatic production of chiral hydroxy compoundsFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1999·Granted May 1, 2001·110 cites·5 claims
- 0592US5992594AFluid friction clutchBEHR GMBH & CO·Filed 1998·Granted Nov 30, 1999·70 cites·20 claims
- 0690US6037158AAlcohol dehydrogenase and its use for the enzymatic production of chiral hydroxy compoundsFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1997·Granted Mar 14, 2000·111 cites·13 claims
- 0789US7217544B2Method for the preparation of L-amino acids from D-amino acidsDEGUSSA·Filed 2005·Granted May 15, 2007·16 cites·15 claims
- 0887US6413750B1(R)-specific alcohol dehydrogenases from lactobacillus with improved catalytic activity using an NAD+ substrateFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1999·Granted Jul 2, 2002·90 cites·2 claims
- 0985US6079536ARotational speed control arrangement for a fluid friction couplingBEHR GMBH & CO·Filed 1998·Granted Jun 27, 2000·42 cites·24 claims
- 1082US2024240158A1NOVEL 7Beta-HYDROXYSTEROID DEHYDROGENASE MUTANTS AND PROCESS FOR THE PREPARATION OF URSODEOXYCHOLIC ACIDPHARMAZELL GMBH·Filed 2024·Application pending·0 cites
- 1179US6987013B2NADH oxidase from lactobacillusDEGUSSA·Filed 2002·Granted Jan 17, 2006·6 cites·3 claims
- 1278US6461841B2L-amino acid oxidase from Rhodococcus speciesDEGUSSA·Filed 2001·Granted Oct 8, 2002·6 cites·9 claims
- 1373US2025320467A17Beta-HYDROXYSTEROID DEHYDROGENASE MUTANTS AND PROCESS FOR THE PREPARATION OF URSODEOXYCHOLIC ACIDPHARMAZELL GMBH·Filed 2025·Application pending·0 cites
- 1472US7435574B2NADH oxidase from LactobacillusDEGUSSA·Filed 2004·Granted Oct 14, 2008·2 cites·9 claims
- 1570US11981935B27β-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2021·Granted May 14, 2024·0 cites·8 claims
- 1669US10724064B27-β-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2019·Granted Jul 28, 2020·0 cites·19 claims
- 1768US11198896B27-beta-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2020·Granted Dec 14, 2021·0 cites·22 claims
- 1867US11306343B23α-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2019·Granted Apr 19, 2022·0 cites·28 claims
- 1967US4270641AFluid-filled friction clutchSUEDDEUTSCHE KUEHLER BEHR·Filed 1979·Granted Jun 2, 1981·15 cites·3 claims
- 2064US7341859B2ADH from Rhodococcus erythropolisDEGUSSA·Filed 2003·Granted Mar 11, 2008·2 cites·3 claims
- 2162US4590161AMicrobiologically produced L-phenylalanine-dehydrogenase, process for its recovery and useDEGUSSA·Filed 1984·Granted May 20, 1986·11 cites·19 claims
- 2260US5416019ARhodococcus microorganisms that produce phenylalanine dehydroganaseDEGUSSA·Filed 1994·Granted May 16, 1995·9 cites·2 claims
- 2359US10954494B27Beta-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2016·Granted Mar 23, 2021·0 cites·2 claims
- 2459US4488628AFluid friction clutch with actuatorSUEDDEUTSCHE KUEHLER BEHR·Filed 1982·Granted Dec 18, 1984·12 cites·13 claims
- 2558US10358672B27-β-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2015·Granted Jul 23, 2019·0 cites·5 claims
- 2652US7195900B2Cloning and expression of D-amino acid oxidase from arthrobacter protophormiaeDEGUSSA·Filed 2003·Granted Mar 27, 2007·0 cites·15 claims
- 2751US10487348B23-alpha-hydroxysteroid dehydrogenase mutants and process for the preparation of ursodeoxycholic acidPHARMAZELL GMBH·Filed 2015·Granted Nov 26, 2019·0 cites·29 claims
- 2851US4530903AL-2-hydroxy-4-methylpentanoic acid-dehydrogenase, process for obtaining it and its useDEGUSSA·Filed 1983·Granted Jul 23, 1985·9 cites·7 claims
- 2948US5404977AFluid friction couplingBEHR GMBH & CO·Filed 1993·Granted Apr 11, 1995·10 cites·12 claims
- 3048US4610341AFluid friction clutchSUEDDEUTSCHE KUEHLER BEHR·Filed 1984·Granted Sep 9, 1986·8 cites·21 claims
- 3147US2014087421A1NOVEL 7Beta-HYDROXYSTEROID DEHYDROGENASE MUTANTS AND PROCESS FOR THE PREPARATION OF URSODEOXYCHOLIC ACIDWEUSTER-BOTZ DIRK·Filed 2011·Application pending·0 cites
- 3247US2006068458A1Coupled enzymatic reaction system using a formate dehydrogenase derived from candida boidiniiDEGUSSA·Filed 2003·Application pending·0 cites
- 3346US11634743B2Coupled, self-sufficient biotransformation of chenodeoxcholic acid to ursodeoxycholic acid and novel enzyme mutants applicable in said processPHARMAZELL GMBH·Filed 2017·Granted Apr 25, 2023·0 cites·15 claims
- 3446US2006177914A1Coupled cofactor-dependent enzymatic reaction systemROLLMANN CLAUDIA·Filed 2004·Application pending·0 cites
- 3544US4824781AMicrobiologically produced d(-)-mandelate-dehydrogenase process for obtaining it and its useDEGUSSA·Filed 1986·Granted Apr 25, 1989·4 cites·10 claims
- 3643US2003054520A1Recombinant enzymes having improved NAD (H) affinityDEGUSSA·Filed 2001·Application pending·0 cites
- 3742US7632665B2Coupled cofactor-dependent enzymatic reaction systems in aqueous mediaEVONIK DEGUSSA GMBH·Filed 2004·Granted Dec 15, 2009·0 cites·12 claims
- 3840US4609623AMicrobiologically produced D-2-hydroxy-4-methylpentanoic acid dehydrogenase, process for its production and its useDEGUSSA·Filed 1984·Granted Sep 2, 1986·6 cites·15 claims
- 3937US5279945AMethod for the enzymatic determination of aspartameFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1991·Granted Jan 18, 1994·5 cites·12 claims
- 4036US5079167AMethod of racemate resolutionBIOTECHNOLOG FORSCHUNG GMBH·Filed 1987·Granted Jan 7, 1992·2 cites·19 claims
- 4134US8105806B2Process for preparing optically active amino acids using a whole-cell catalystGROEGER HARALD·Filed 2005·Granted Jan 31, 2012·0 cites·16 claims
- 4229US4877734AMicrobiologically produced α-acetylamino cinnamic acid acylase, method of its production and its useDEGUSSA·Filed 1987·Granted Oct 31, 1989·0 cites·5 claims
- 4327US5164314AMicrobiologically-prepared diacetyl reductaseFORSCHUNGSZENTRUM JUELICH GMBH·Filed 1991·Granted Nov 17, 1992·1 cites·14 claims
- 4417US5264347AMethod for the determination of α-ketoisocaproate in biological samples using D-α-hydroxyisocaproic dehydrogenase from lactobacillus caseiKERNFORSCHUNGSANLAGE JUELICH·Filed 1992·Granted Nov 23, 1993·0 cites·6 claims
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