Inventor · disambiguated record
Steffen Schaffer
Also filed as: SCHAFFER STEFFEN
39 granted patents·21 pending applications·208 citations·filing 2001–2023
97Inventor score
Files withEVONIK DEGUSSA GMBH14EVONIK OPERATIONS GMBH12SCHAFFER STEFFEN8EVONIK INDUSTRIES AG4HAAS THOMAS4
Top patents by PatentIndex Score
60 records- 0193US9243212B2Detergent formulation for textiles, comprising rhamnolipids with a predominant content of di-rhamnolipidsEVONIK INDUSTRIES AG·Filed 2014·Granted Jan 26, 2016·22 cites·12 claims
- 0293US9157108B2Cells, nucleic acids, enzymes and use thereof, and methods for the production of sophorolipidsEVONIK DEGUSSA GMBH·Filed 2014·Granted Oct 13, 2015·12 cites·27 claims
- 0393US9102968B2Cells, nucleic acids, enzymes and use thereof, and methods for the production of sophorolipidsEVONIK DEGUSSA GMBH·Filed 2014·Granted Aug 11, 2015·10 cites·25 claims
- 0493US9085787B2Cells, nucleic acids, enzymes and use thereof, and methods for the production of sophorolipidsSCHAFFER STEFFEN·Filed 2014·Granted Jul 21, 2015·10 cites·25 claims
- 0592US10292924B2Mixture composition comprising rhamnolipidsEVONIK INDUSTRIES AG·Filed 2014·Granted May 21, 2019·11 cites·7 claims
- 0692US9580720B2Cells and methods for producing rhamnolipidsEVONIK DEGUSSA GMBH·Filed 2015·Granted Feb 28, 2017·9 cites·11 claims
- 0792US9068211B2Cells, nucleic acids, enzymes and use thereof, and methods for the production of sophorolipidsEVONIK DEGUSSA GMBH·Filed 2014·Granted Jun 30, 2015·9 cites·25 claims
- 0892US8911982B2Cells, nucleic acids, enzymes and use thereof, and methods for the production of sophorolipidsSCHAFFER STEFFEN·Filed 2010·Granted Dec 16, 2014·11 cites·27 claims
- 0991US10174353B2Methods of producing rhamnolipidsEVONIK DEGUSSA GMBH·Filed 2015·Granted Jan 8, 2019·10 cites·20 claims
- 1089US9005928B2Cells and methods for producing rhamnolipidsSCHAFFER STEFFEN·Filed 2011·Granted Apr 14, 2015·12 cites·14 claims
- 1189US8999684B2Candida tropicalis cells and use thereofPOETTER MARKUS·Filed 2013·Granted Apr 7, 2015·11 cites·10 claims
- 1289US8372595B2Method for obtaining a microbial strain for production of sphingoid basesEVONIK INDUSTRIES AG·Filed 2007·Granted Feb 12, 2013·23 cites·10 claims
- 1388US11236372B2Lipid productionEVONIK OPERATIONS GMBH·Filed 2019·Granted Feb 1, 2022·3 cites·18 claims
- 1488US9150890B2Candida tropicalis cells and use thereofPOETTER MARKUS·Filed 2015·Granted Oct 6, 2015·4 cites·10 claims
- 1585US11685905B2Rhamnolipid-producing cell having reduced glucose dehydrogenase activityEVONIK OPERATIONS GMBH·Filed 2017·Granted Jun 27, 2023·2 cites·8 claims
- 1684US11993803B2Mixture composition comprising glucolipidsEVONIK OPERATIONS GMBH·Filed 2019·Granted May 28, 2024·2 cites·12 claims
- 1783US9200043B2Biocatalytic oxidation process with AlkL gene productPÖTTER MARKUS·Filed 2011·Granted Dec 1, 2015·9 cites·25 claims
- 1880US9765370B2Method for aerobically producing alanine or a compound produced using alanineEVONIK DEGUSSA GMBH·Filed 2013·Granted Sep 19, 2017·4 cites·20 claims
- 1978US9719117B2Production of omega-amino fatty acidsSCHAFFER STEFFEN·Filed 2013·Granted Aug 1, 2017·3 cites·19 claims
- 2078US7229802B2Nucleotide sequences coding for the MtrA and/or MtrB proteinsDEGUSSA·Filed 2003·Granted Jun 12, 2007·4 cites·31 claims
- 2178US7229791B2Nucleotide sequences coding for the MtrA and/or MtrB proteinsDEGUSSA·Filed 2003·Granted Jun 12, 2007·4 cites·29 claims
- 2278US6703223B2Nucleotide sequences coding for the MtrA and/or MtrB proteinsDEGUSSA·Filed 2001·Granted Mar 9, 2004·4 cites·11 claims
- 2376US11124813B2N-acetyl homoserineEVONIK OPERATIONS GMBH·Filed 2017·Granted Sep 21, 2021·1 cites·10 claims
- 2475US8980594B2Use of a protein homologous to a MeaB protein for increasing the enzymatic activity of a 3-hydroxycarboxylic acid-CoA mutaseREINECKE LIV·Filed 2010·Granted Mar 17, 2015·3 cites·15 claims
- 2574US10174349B2Recombinant cell producing 2-hydroxyisobutyric acidREINECKE LIV·Filed 2009·Granted Jan 8, 2019·2 cites·11 claims
- 2674US9598711B2Pichia ciferrii cells and uses thereofEVONIK DEGUSSA GMBH·Filed 2016·Granted Mar 21, 2017·1 cites·9 claims
- 2774US2024002813A1Rhamnolipid-producing cell having reduced glucose dehydrogenase activityEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 2873US9580732B2Oxidation and amination of primary alcoholsPÖTTER MARKUS·Filed 2012·Granted Feb 28, 2017·3 cites·19 claims
- 2971US9388439B2Acetyltransferase from wickerhamomyces ciferriiEVONIK INDUSTRIES AG·Filed 2013·Granted Jul 12, 2016·2 cites·7 claims
- 3070US9249435B2Process for the improved separation of a hydrophobic organic solution from an aqueous culture mediumGIELEN JASMIN·Filed 2012·Granted Feb 2, 2016·3 cites·13 claims
- 3169US9944959B2Production of fatty acids estersCARGILL INC·Filed 2015·Granted Apr 17, 2018·1 cites·14 claims
- 3268US9404118B2Pichia ciferrii cells and use thereofKÖHLER TIM·Filed 2012·Granted Aug 2, 2016·1 cites·14 claims
- 3367US2025313872A1Biotechnological production of bisucaberins, desferrioxamines and analogs thereofEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 3467US2025340893A1Biotechnological production of desferrioxamines and analogs thereofEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 3567US2025129397A1Biotechnological production of monomers of bisucaberins, desferrioxamines and analogs thereofEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 3663US9234222B2Microbial strains producing sphingoid bases or derivatives thereofVAN DEN BERG MARCO ALEXANDER·Filed 2005·Granted Jan 12, 2016·1 cites·4 claims
- 3757US2025163481A1Improved biotechnological method for producing guanidino acetic acid (gaa) by using nadh-dependent dehydrogenasesEVONIK OPERATIONS GMBH·Filed 2023·Application pending·0 cites
- 3855US8986961B2Fermentative production of acetone from renewable resources by means of novel metabolic pathwayVERSECK STEFAN·Filed 2008·Granted Mar 24, 2015·1 cites·10 claims
- 3954US10494654B2Production of fatty acids estersCARGILL INC·Filed 2018·Granted Dec 3, 2019·0 cites·18 claims
- 4054US9725746B2Producing amines and diamines from a carboxylic acid or dicarboxylic acid or a monoester thereofEVONIK DEGUSSA GMBH·Filed 2013·Granted Aug 8, 2017·0 cites·13 claims
- 4154US2023340428A1Polynucleotide encoding an amino acid sequence, encoding an oxidoreductaseEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 4251US11034938B2Microorganism expressing mutant AlkB enzyme and use to prepare omega-hydroxy carboxylic acid and/or esterEVONIK DEGUSSA GMBH·Filed 2017·Granted Jun 15, 2021·0 cites·13 claims
- 4350US2011118433A1Candida tropicalis cells and use thereofEVONIK DEGUSSA GMBH·Filed 2010·Application pending·0 cites
- 4447US10745721B2Process for reacting a carboxylic acid esterEVONIK OPERATIONS GMBH·Filed 2013·Granted Aug 18, 2020·0 cites·20 claims
- 4547US2016138058A1Method for producing organic compositions from oxyhydrogen and co2 via acetoacetyl-coa as intermediate productWITTMANN EVA MARIA·Filed 2014·Application pending·0 cites
- 4646US10913960B2Biotechnological production of omega-functionalised carboxylic acids and esters thereofEVONIK OPERATIONS GMBH·Filed 2016·Granted Feb 9, 2021·0 cites·18 claims
- 4745US2020063172A1Amino acid productionEVONIK DEGUSSA GMBH·Filed 2019·Application pending·0 cites
- 4844US2016272950A1Method for producing acyl amino acidsCORTHALS JASMIN·Filed 2014·Application pending·0 cites
- 4944US2019233856A1Cells and method for producing rhamnolipids using alternative glucose transportersEVONIK DEGUSSA GMBH·Filed 2017·Application pending·0 cites
- 5042US2014186905A1Biotechnological synthesis process of organic compounds with the aid of an alkl gene productSCHAFFER STEFFEN·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →