Dietmar Bielefeldt

Person

Ratingen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a 2-pyridylethylcarboxamide derivative
- Patent number 10,807,955
- Issue date Oct 20, 2020
- BAYER CROPSCIENCE AKTIENGESELLSCHAFT
- Wahed Ahmed Moradi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives
- Patent number 6,613,948
- Issue date Sep 2, 2003
- Bayer AG
- Otto Neuner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4-aminodiphenylamine
- Patent number 6,414,192
- Issue date Jul 2, 2002
- Bayer Aktiengesellschaft
- Michael Schelhaas
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-thiocarbamoylpyrazole derivatives as pesticides
- Patent number 6,265,430
- Issue date Jul 24, 2001
- Bayer Aktiengesellschaft
- Bernd Alig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sulphonylaminocarbonyltriazolinones having halogenoalkylthio substi...
- Patent number 6,153,761
- Issue date Nov 28, 2000
- Bayer Aktiengesellschaft
- Klaus-Helmut Muller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydrofuran carboxamides
- Patent number 6,107,336
- Issue date Aug 22, 2000
- Bayer Aktiengesellschaft
- Hans-Ludwig Elbe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-cyano-2,5-difluoroaniline preparation process
- Patent number 6,075,160
- Issue date Jun 13, 2000
- Bayer Aktiengesellschaft
- Albrecht Marhold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-chloro-benzimidazole derivatives
- Patent number 6,054,589
- Issue date Apr 25, 2000
- Bayer Aktiengesellschaft
- Michael Conrad
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-dimethyl-5-fluoro-pyrazole-4-carboxamide derivatives, their pre...
- Patent number 6,054,473
- Issue date Apr 25, 2000
- Bayer Aktiengesellschaft
- Hans-Ludwig Elbe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-chloro-benzimidazole derivatives
- Patent number 6,028,200
- Issue date Feb 22, 2000
- Bayer Aktiengesellschaft
- Michael Conrad
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal or fungicidal sulphonylaminocarbonyltriazolinones with h...
- Patent number 5,994,273
- Issue date Nov 30, 1999
- Bayer Aktiwngesellschaft
- Klaus-Helmut Muller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chloro-fluoro-butenes
- Patent number 5,969,197
- Issue date Oct 19, 1999
- Bayer Aktiengesellschaft
- Norbert Lui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase
- Patent number 5,672,787
- Issue date Sep 30, 1997
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
C.sub.3 to C.sub.5 polyfluorcalkanes propellants
- Patent number 5,646,196
- Issue date Jul 8, 1997
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
C.sub.3 to C.sub.5 polyfluorcalkanes propellants
- Patent number 5,624,970
- Issue date Apr 29, 1997
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing hexafluorobutane
- Patent number 5,536,890
- Issue date Jul 16, 1996
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of saturated, fluorine-containing and c...
- Patent number 5,530,169
- Issue date Jun 25, 1996
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hexafluorochlorobutenes
- Patent number 5,523,497
- Issue date Jun 4, 1996
- Bayer Aktiengesellschaft
- Norbert Lui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
C.sub.3 to C.sub.5 polyfluoroalkanes propellants
- Patent number 5,496,867
- Issue date Mar 5, 1996
- Bayer Aktiengesellschaft
- Calus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
C.sub.3 to C.sub.5 polyfluoroalkanes propellants
- Patent number 5,496,866
- Issue date Mar 5, 1996
- Bayer Aktiengesellschaft
- Claus-Dieter Sommerfeld
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing hexafluorobutene
- Patent number 5,463,150
- Issue date Oct 31, 1995
- Bayer Aktiengesellschaft
- Norbert Lui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aliphatic omega-difluorocarboxyl com...
- Patent number 5,455,376
- Issue date Oct 3, 1995
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active N-.alpha.-fluoroacryloylamino acid derivatives for...
- Patent number 5,354,884
- Issue date Oct 11, 1994
- Bayer Aktiengesellschaft
- Rolf Grosser
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of hexafluorobutane, and intermediates...
- Patent number 5,315,047
- Issue date May 24, 1994
- Bayer Aktiengesellschaft
- Norbert Lui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of halogenated aromatics
- Patent number 5,306,849
- Issue date Apr 26, 1994
- Bayer Aktiengesellschaft
- Norbert Lui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active N-.alpha.-fluoroacryloylamino acid polymers for th...
- Patent number 5,292,924
- Issue date Mar 8, 1994
- Bayer Aktiengesellschaft
- Rolf Grosser
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the dechlorination and/or debromination of fluorine-and...
- Patent number 5,283,378
- Issue date Feb 1, 1994
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of .beta.-fluoroalcohols
- Patent number 5,276,218
- Issue date Jan 4, 1994
- Bayer Aktiengesellschaft
- Stefan Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,1-difluoroalkanesulphenyl chlorides
- Patent number 5,223,643
- Issue date Jun 29, 1993
- Bayer Aktiengesellschaft
- Stefan Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of polyfluorobutenes
- Patent number 5,210,340
- Issue date May 11, 1993
- Bayer Aktiengesellschaft
- Dietmar Bielefeldt
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE PREPARATION OF A 2-PYRIDYLETHYLCARBOXAMIDE DERIVATIVE
- Publication number 20200039937
- Publication date Feb 6, 2020
- BAYER CROPSCIENCE AKTIENGESELLSCHAFT
- Wahed Ahmed MORADI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Thermoplastic materials that are stabilised with polmeric phosphite...
- Publication number 20060014864
- Publication date Jan 19, 2006
- Thomas Braig
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for preparing4-aminodiphenylamine
- Publication number 20020055652
- Publication date May 9, 2002
- Michael Schelhaas
- C07 - ORGANIC CHEMISTRY
Information Patent Application
3-THIOCARBAMOYLPYRAZOLE DERIVATIVES AS PESTICIDES
- Publication number 20010007876
- Publication date Jul 12, 2001
- BERND ALIG
- C07 - ORGANIC CHEMISTRY

Dietmar Bielefeldt

Person

Patents Grantslast 30 patents

Process for the preparation of a 2-pyridylethylcarboxamide derivative

Process for the preparation of 2,3,4,5-tetrafluorobenzene derivatives

Process for preparing 4-aminodiphenylamine

3-thiocarbamoylpyrazole derivatives as pesticides

Sulphonylaminocarbonyltriazolinones having halogenoalkylthio substi...

Dihydrofuran carboxamides

4-cyano-2,5-difluoroaniline preparation process

Process for preparing 2-chloro-benzimidazole derivatives

1,3-dimethyl-5-fluoro-pyrazole-4-carboxamide derivatives, their pre...

Process for preparing 2-chloro-benzimidazole derivatives

Herbicidal or fungicidal sulphonylaminocarbonyltriazolinones with h...

Process for the preparation of chloro-fluoro-butenes

Process for preparing 1,1,1,4,4,4-hexafluorobutane in the liquid phase

C.sub.3 to C.sub.5 polyfluorcalkanes propellants

C.sub.3 to C.sub.5 polyfluorcalkanes propellants

Process for preparing hexafluorobutane

Process for the preparation of saturated, fluorine-containing and c...

Process for preparing hexafluorochlorobutenes

C.sub.3 to C.sub.5 polyfluoroalkanes propellants

C.sub.3 to C.sub.5 polyfluoroalkanes propellants

Process for preparing hexafluorobutene

Process for the preparation of aliphatic omega-difluorocarboxyl com...

Optically active N-.alpha.-fluoroacryloylamino acid derivatives for...

Process for the preparation of hexafluorobutane, and intermediates...

Process for the preparation of halogenated aromatics

Optically active N-.alpha.-fluoroacryloylamino acid polymers for th...

Process for the dechlorination and/or debromination of fluorine-and...

Preparation of .beta.-fluoroalcohols

Process for the preparation of 1,1-difluoroalkanesulphenyl chlorides

Preparation of polyfluorobutenes

Patents Applicationslast 30 patents

PROCESS FOR THE PREPARATION OF A 2-PYRIDYLETHYLCARBOXAMIDE DERIVATIVE

Thermoplastic materials that are stabilised with polmeric phosphite...

Process for preparing4-aminodiphenylamine

3-THIOCARBAMOYLPYRAZOLE DERIVATIVES AS PESTICIDES