Stephan Brietzke

Person

Altendiez, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing acesulfame potassium
- Patent number RE48464
- Issue date Mar 16, 2021
- Celanese Sales Germany GmbH
- Michael J. Bayer
Information Patent Grant
Process for producing acesulfame potassium
- Patent number 9,024,016
- Issue date May 5, 2015
- Nutrinova Nutrition Specialists & Food Ingredients GmbH
- Michael J. Bayer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ammonium salts
- Patent number 8,663,595
- Issue date Mar 4, 2014
- Celanese International Corporation
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method to recover organic tertiary amines from waste sulfuric acid
- Patent number 8,658,830
- Issue date Feb 25, 2014
- Nutrinova Nutrition Specialties & Food Ingredients GmbH
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of an ammonium sulfate composition
- Patent number 8,496,905
- Issue date Jul 30, 2013
- Nutrinova Nutrition Specialties & Food Ingredients GmbH
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ammonium salts
- Patent number 8,309,048
- Issue date Nov 13, 2012
- Celanese International Corporation
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ammonium salts
- Patent number 8,303,921
- Issue date Nov 6, 2012
- Celanese International Corporation
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4,4'-dimethyl-1,1'-binaphthyl
- Patent number 5,522,982
- Issue date Jun 4, 1996
- Hoechst Aktiengesellschaft
- Stephan Brietzke
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Process for Producing Acesulfame Potassium
- Publication number 20130331565
- Publication date Dec 12, 2013
- Michael J. Bayer
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Method to Recover Organic Tertiary Amines from Waste Sulfuric Acid
- Publication number 20130096350
- Publication date Apr 18, 2013
- Nutrinova Nutrition Specialties & Food Ingredients Gmbh
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for the Manufacture of an Ammonium Sulfate Composition
- Publication number 20130064755
- Publication date Mar 14, 2013
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method to Recover Organic Tertiary Amines from Waste Sulfuric Acid...
- Publication number 20130062192
- Publication date Mar 14, 2013
- Stephan Brietzke
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING AMMONIUM SALTS
- Publication number 20110256045
- Publication date Oct 20, 2011
- Celanese International Corporation
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING AMMONIUM SALTS
- Publication number 20110256046
- Publication date Oct 20, 2011
- Celanese International Corporation
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY

Stephan Brietzke

Person

Patents Grantslast 30 patents

Process for producing acesulfame potassium

Process for producing acesulfame potassium

Process for producing ammonium salts

Method to recover organic tertiary amines from waste sulfuric acid

Method for the manufacture of an ammonium sulfate composition

Process for producing ammonium salts

Process for producing ammonium salts

Process for preparing 4,4'-dimethyl-1,1'-binaphthyl

Patents Applicationslast 30 patents

Process for Producing Acesulfame Potassium

Method to Recover Organic Tertiary Amines from Waste Sulfuric Acid

Method for the Manufacture of an Ammonium Sulfate Composition

Method to Recover Organic Tertiary Amines from Waste Sulfuric Acid...

PROCESS FOR PRODUCING AMMONIUM SALTS

PROCESS FOR PRODUCING AMMONIUM SALTS