Kretz; Stephan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kretz; Stephan.The latest application filed is for "process for the preparation of alkyl mercaptans".

Company Profile

0.16.16

Kretz; Stephan - Biebergemuend DE
Kretz; Stephan - Biebergemund DE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process for the preparation of alkyl mercaptans Grant 9,809,535 - Fonfe , et al. November 7, 2	2017-11-07
Process For The Preparation Of Alkyl Mercaptans App 20160176808 - FONFE; Benjamin ; et al.	2016-06-23
Method for the production of D,L-methionine Grant 9,206,121 - Buss , et al. December 8, 2	2015-12-08
Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide Grant 9,133,113 - Buss , et al. September 15, 2	2015-09-15
Method For The Production Of D,l-methionine App 20150197489 - Buss; Dieter ; et al.	2015-07-16
Method For The Production Of 2-hydroxy-4-(methylthio)butyronitrile From 3-(methylthio)propanal And Hydrogen Cyanide App 20140213819 - BUSS; Dieter ; et al.	2014-07-31
Process for preparing methylmercaptopropionaldehyde Grant 8,759,592 - Finkeldei , et al. June 24, 2	2014-06-24
Method for the production of 2-hydroxy-4-(methylthio)butyronitrile from 3-(methylthio)propanal and hydrogen cyanide Grant 8,729,288 - Buss , et al. May 20, 2	2014-05-20
Process For Preparing Methylmercaptopropionaldehyde App 20140051890 - FINKELDEI; Caspar Heinrich ; et al.	2014-02-20
Process for preparing methylmercaptopropionaldehyde Grant 8,624,066 - Finkeldei , et al. January 7, 2	2014-01-07
Storage-stable 2-hydroxy-4-(methylthio)butyronitrile Grant 8,546,601 - Buss , et al. October 1, 2	2013-10-01
Method For The Production Of 2-hydroxy-4-(methylthio)butyronitrile From 3-(methylthio)propanal And Hydrogen Cyanide App 20120215022 - Buss; Dieter ; et al.	2012-08-23
Storage-stable 2-hydroxy-4-(methylthio)butyronitrile App 20120215021 - Buss; Dieter ; et al.	2012-08-23
Process For Preparing Methylmercaptopropionaldehyde App 20120165573 - FINKELDEI; Caspar Heinrich ; et al.	2012-06-28
Process for preparing methyl mercaptan Grant 8,008,530 - Redlingshofer , et al. August 30, 2	2011-08-30
Reaction vessel and process for its use Grant 7,833,508 - Redlingshofer , et al. November 16, 2	2010-11-16
Reaction Vessel And Process For Its Use App 20100015037 - Redlingshofer; Hurbert ; et al.	2010-01-21
Process For Preparing Methyl Mercaptan App 20090054691 - Redlingshofer; Hubert ; et al.	2009-02-26
Process for the preparation of 6-methylheptanone Grant 6,605,746 - Krill , et al. August 12, 2	2003-08-12
Process for the preparation of 6-methylheptanone App 20030040645 - Krill, Steffen ; et al.	2003-02-27
Process for the production of isopropenyl methyl ether App 20020042543 - Krill, Steffen ; et al.	2002-04-11
Process for the production of alpha-tocopherol acetate by condensation of trimethylhydroquinone with isophytol with recycling of an acetic catalyst solution App 20010031881 - Krill, Steffen ; et al.	2001-10-18

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