Ralf Krahwinkel

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Langenfeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing N-methyl-p-toluidine for use as an additive fo...
- Patent number 11,834,385
- Issue date Dec 5, 2023
- Lanxess Corporation
- Martina Gerdinand
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing N-methyl-p-toluidine for use as an additive fo...
- Patent number 10,875,823
- Issue date Dec 29, 2020
- LANXESS Deutschland GmbH
- Martina Gerdinand
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing sorbic anhydride and also use thereof as a pre...
- Patent number 9,102,613
- Issue date Aug 11, 2015
- LANXESS Deutschland GmbH
- Ralf Krahwinkel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the homogeneously catalyzed production of terminal group...
- Patent number 8,742,034
- Issue date Jun 3, 2014
- Saltigo GmbH
- Ralf Krahwinkel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing quaternary salts of piperidyl esters of mande...
- Patent number 8,309,732
- Issue date Nov 13, 2012
- SALTIGO GmbH
- Andreas Job
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING N-METHYL-P-TOLUIDINE FOR USE AS AN ADDITIVE FO...
- Publication number 20200290947
- Publication date Sep 17, 2020
- LANXESS Deutschland GmbH
- Martina GERDINAND
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING N-METHYL-P-TOLUIDINE FOR USE AS AN ADDITIVE FO...
- Publication number 20200148625
- Publication date May 14, 2020
- LANXESS Deutschland GmbH
- Martina GERDINAND
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING SORBIC ANHYDRIDE AND ALSO USE THEREOF AS A PRE...
- Publication number 20140087039
- Publication date Mar 27, 2014
- Lanxess Deutschland GmbH
- Ralf Krahwinkel
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
METHOD FOR THE HOMOGENEOUSLY CATALYZED PRODUCTION OF TERMINAL GROUP...
- Publication number 20100076163
- Publication date Mar 25, 2010
- SALTIGO GMBH
- Ralf Krahwinkel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PREPARING QUATERNARY SALTS OF PIPERIDYL ESTERS OF MANDE...
- Publication number 20090270629
- Publication date Oct 29, 2009
- SALTIGO GMBH
- Andreas Job
- C07 - ORGANIC CHEMISTRY