Hans-Juergen Weyer

Person

Mannheim, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for preparing essentially formic acid-free N-alkyl-N&#x0203...
- Patent number 6,554,966
- Issue date Apr 29, 2003
- BASF Aktiengesellschaft
- Andreas Kramer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous method for producing propargyl chloride
- Patent number 6,291,731
- Issue date Sep 18, 2001
- BASF Aktiengesellschaft
- Armin Stamm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing chlorocarboxylic acid chlorides
- Patent number 6,262,300
- Issue date Jul 17, 2001
- BASF Aktiengesellschaft
- Hans-Jürgen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing alkyl chloride, alkenyl chloride and alkinyl ch...
- Patent number 6,245,954
- Issue date Jun 12, 2001
- BASF Aktiengesellschaft
- Hans-Jürgen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of neopentyl glycol hydroxyprivalate granules
- Patent number 6,242,639
- Issue date Jun 5, 2001
- BASF Aktiengesellschaft
- Hans-Jürgen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing thiochloroformates
- Patent number 6,162,939
- Issue date Dec 19, 2000
- BASF Aktiengesellschaft
- Hans-Jurgen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Removal of halides from halide-containing nitrile mixtures
- Patent number 6,153,784
- Issue date Nov 28, 2000
- BASF Aktiengesellschaft
- Heinz-Josef Kneuper
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification of .alpha.-, .beta.- or .gamma.-substituted carboxylic...
- Patent number 5,965,032
- Issue date Oct 12, 1999
- BASF Aktiengesellschaft
- Markus Frede
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of heteropoly compounds from polyethers, polyesters and...
- Patent number 5,951,829
- Issue date Sep 14, 1999
- BASF Aktiengesellschaft
- Hans-Jurgen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Removal of water and ammonia from benzophenone imine reactor effluents
- Patent number 5,904,814
- Issue date May 18, 1999
- BASF Aktiengesellschaft
- Guido Voit
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyether, polyester and polyether ester purification process
- Patent number 5,824,769
- Issue date Oct 20, 1998
- BASF Aktiengesellschaft
- Hans-Jurgen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 1,2-butylene oxide
- Patent number 5,770,747
- Issue date Jun 23, 1998
- BASF Aktiengesellschaft
- Peter Lingelbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Removal of heteropoly compounds from polyethers, polyesters and pol...
- Patent number 5,741,888
- Issue date Apr 21, 1998
- BASF Aktiengesellschaft
- Hans-Jurgen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyoxyalkylene glycol monoether of tert-butyl alcoh...
- Patent number 5,714,638
- Issue date Feb 3, 1998
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyoxyalkylene glycol monoesters of monocarboxylic...
- Patent number 5,659,068
- Issue date Aug 19, 1997
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyether glycols
- Patent number 5,561,217
- Issue date Oct 1, 1996
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran
- Patent number 5,536,854
- Issue date Jul 16, 1996
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N-substituted 2-pyrrolidones
- Patent number 5,434,273
- Issue date Jul 18, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of poloxy-alkylene glycols
- Patent number 5,416,240
- Issue date May 16, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyoxyalkylene glycol monoethers of monohydric alco...
- Patent number 5,414,143
- Issue date May 9, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Adjustment of the average molecular weight of polyoxyalkylene glyco...
- Patent number 5,395,959
- Issue date Mar 7, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hydrogenation of citric acid
- Patent number 5,391,771
- Issue date Feb 21, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of 4-hydroxymethyltetrahydropyran
- Patent number 5,387,701
- Issue date Feb 7, 1995
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of products of the reduction of 4-hydroxybutyric acid d...
- Patent number 5,371,242
- Issue date Dec 6, 1994
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N-substituted lactams
- Patent number 5,276,165
- Issue date Jan 4, 1994
- BASF Aktiengesellschaft
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of N-substituted pyrrolidones
- Patent number 5,157,127
- Issue date Oct 20, 1992
- Hans-Juergen Weyer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of polyether glycols
- Patent number 5,099,074
- Issue date Mar 24, 1992
- BASF Aktiengesellschaft
- Herbert Mueller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Purification of heteropolyacid-containing polyalkylene ether glycols
- Patent number 5,097,077
- Issue date Mar 17, 1992
- BASF Aktiengesellschaft
- Herbert Mueller
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of 1,4-butanediol and tetrahydrofuran
- Patent number 5,008,408
- Issue date Apr 16, 1991
- BASF Aktiengesellschaft
- Rolf Fischer
- C07 - ORGANIC CHEMISTRY

Hans-Juergen Weyer

Person

Patents Grantslast 30 patents

Process for preparing essentially formic acid-free N-alkyl-N&#x0203...

Continuous method for producing propargyl chloride

Method for producing chlorocarboxylic acid chlorides

Method of producing alkyl chloride, alkenyl chloride and alkinyl ch...

Preparation of neopentyl glycol hydroxyprivalate granules

Method for producing thiochloroformates

Removal of halides from halide-containing nitrile mixtures

Purification of .alpha.-, .beta.- or .gamma.-substituted carboxylic...

Separation of heteropoly compounds from polyethers, polyesters and...

Removal of water and ammonia from benzophenone imine reactor effluents

Polyether, polyester and polyether ester purification process

Preparation of 1,2-butylene oxide

Removal of heteropoly compounds from polyethers, polyesters and pol...

Preparation of polyoxyalkylene glycol monoether of tert-butyl alcoh...

Preparation of polyoxyalkylene glycol monoesters of monocarboxylic...

Preparation of polyether glycols

Preparation of 2-methyl-1,4-butanediol and 3-methyltetrahydrofuran

Preparation of N-substituted 2-pyrrolidones

Preparation of poloxy-alkylene glycols

Preparation of polyoxyalkylene glycol monoethers of monohydric alco...

Adjustment of the average molecular weight of polyoxyalkylene glyco...

Hydrogenation of citric acid

Preparation of 4-hydroxymethyltetrahydropyran

Preparation of products of the reduction of 4-hydroxybutyric acid d...

Preparation of N-substituted lactams

Preparation of N-substituted pyrrolidones

Process for the preparation of polyether glycols

Purification of heteropolyacid-containing polyalkylene ether glycols

Preparation of 1,4-butanediol and tetrahydrofuran