Inventor
KRETZ STEPHAN
DE13 patents
⚠️ This page may combine multiple inventors who share the name “KRETZ STEPHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
4 patentsUS6265617B1Jul 24, 2001
Process 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)
DEGUSSA6 citations73
US6239294B1May 29, 2001
Process to produce α-tocopherol-acetate
DEGUSSA7 citations73
US6605746B2Aug 12, 2003
Process for the preparation of 6-methylheptanone
DEGUSSA2 citations60
US6566559B2May 20, 2003
Process for the production of isopropenyl methyl ether
DEGUSSA0 citations40
EVONIK DEGUSSA GMBH
3 patentsUS8008530B2Aug 30, 2011
Process for preparing methyl mercaptan
EVONIK DEGUSSA GMBH7 citations83
US7833508B2Nov 16, 2010
Reaction vessel and process for its use
EVONIK DEGUSSA GMBH8 citations83
US9133113B2Sep 15, 2015
Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide
EVONIK DEGUSSA GMBH2 citations60
BUSS DIETER
3 patentsUS9206121B2Dec 8, 2015
Method for the production of D,L-methionine
BUSS DIETER1 citations58
US8729288B2May 20, 2014
Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide
BUSS DIETER2 citations58
US8546601B2Oct 1, 2013
Storage-stable 2-hydroxy-4-(methylthio)butyronitrile
BUSS DIETER3 citations56