Inventor · disambiguated record
Stephan Kretz
Also filed as: KRETZ STEPHAN
13 granted patents·41 citations·filing 1999–2015
89Inventor score
Top patents by PatentIndex Score
13 records- 0185US7833508B2Reaction vessel and process for its useEVONIK DEGUSSA GMBH·Filed 2009·Granted Nov 16, 2010·8 cites·18 claims
- 0284US8008530B2Process for preparing methyl mercaptanEVONIK DEGUSSA GMBH·Filed 2006·Granted Aug 30, 2011·7 cites·16 claims
- 0383US9133113B2Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanideEVONIK DEGUSSA GMBH·Filed 2014·Granted Sep 15, 2015·2 cites·11 claims
- 0480US8729288B2Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanideBUSS DIETER·Filed 2012·Granted May 20, 2014·2 cites·23 claims
- 0579US8624066B2Process for preparing methylmercaptopropionaldehydeFINKELDEI CASPAR HEINRICH·Filed 2011·Granted Jan 7, 2014·2 cites·20 claims
- 0679US8546601B2Storage-stable 2-hydroxy-4-(methylthio)butyronitrileBUSS DIETER·Filed 2012·Granted Oct 1, 2013·3 cites·22 claims
- 0776US6239294B1Process to produce α-tocopherol-acetateDEGUSSA·Filed 2000·Granted May 29, 2001·7 cites·7 claims
- 0874US9206121B2Method for the production of D,L-methionineBUSS DIETER·Filed 2015·Granted Dec 8, 2015·1 cites·11 claims
- 0974US8759592B2Process for preparing methylmercaptopropionaldehydeFINKELDEI CASPAR HEINRICH·Filed 2013·Granted Jun 24, 2014·1 cites·21 claims
- 1058US6265617B1Process for the preparation of 3,5,5-trimethylcyclohexa-3-en-1-one (β-isophorone) by isomerization of 3,5,5- trimethylcyclohexa-2-en-1-one (α-isophorone)DEGUSSA·Filed 1999·Granted Jul 24, 2001·6 cites·14 claims
- 1157US6605746B2Process for the preparation of 6-methylheptanoneDEGUSSA·Filed 2002·Granted Aug 12, 2003·2 cites·17 claims
- 1241US9809535B2Process for the preparation of alkyl mercaptansFONFE BENJAMIN·Filed 2015·Granted Nov 7, 2017·0 cites·20 claims
- 1336US6566559B2Process for the production of isopropenyl methyl etherDEGUSSA·Filed 2001·Granted May 20, 2003·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →