Eberhard Zirngiebl

Person

Koln, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Corrosion inhibitor for protecting metallic materials in strongly a...
- Patent number 7,468,158
- Issue date Dec 23, 2008
- LANXESS Deutschland GmbH
- Lutz Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Continuous adiabatic process for nitrating chlorobenzene
- Patent number 6,794,549
- Issue date Sep 21, 2004
- Bayer Aktiengesellschaft
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous isothermal process for preparing mononitrotoluenes in th...
- Patent number 6,768,032
- Issue date Jul 27, 2004
- Bayer Chemicals AG
- Matthias Gotta
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous adiabatic process for preparing nitrochlorobenzene
- Patent number 6,586,645
- Issue date Jul 1, 2003
- Bayer Aktiengesellschaft
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Continuous isothermal process for preparing mononitrotoluenes
- Patent number 6,583,327
- Issue date Jun 24, 2003
- Bayer Aktiengesellschaft
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalysts containing a platinum metal and process for pre...
- Patent number 6,548,445
- Issue date Apr 15, 2003
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for hydrogenating aromatic polymers in the presence of speci...
- Patent number 6,509,510
- Issue date Jan 21, 2003
- Bayer Aktiengesellschaft
- Volker Wege
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for hydrogenating aromatic polymers in the presence of hydro...
- Patent number 6,420,491
- Issue date Jul 16, 2002
- Bayer Aktiengesellschaft
- Volker Wege
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the adiabatic preparation of 3,4-dichloronitrobenzene
- Patent number 6,353,142
- Issue date Mar 5, 2002
- Bayer Aktiengesellschaft
- Eberhard Zirngiebl
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Supported catalysts containing a platinum metal and process for pre...
- Patent number 6,001,768
- Issue date Dec 14, 1999
- Bayer Aktiengesellschaft
- Hans-Josef Buysch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 2-pyrrolidones
- Patent number 5,912,358
- Issue date Jun 15, 1999
- Bayer Aktiengesellschaft
- Lutz Frohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing substituted cyclohexanones
- Patent number 5,886,232
- Issue date Mar 23, 1999
- Bayer Aktiengesellschaft
- Heinz Landscheidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of carbazole
- Patent number 5,760,247
- Issue date Jun 2, 1998
- Bayer Aktiengesellschaft
- Albert Schnatterer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of hydroxymethyl-cyclopropane
- Patent number 5,728,896
- Issue date Mar 17, 1998
- Bayer Aktiengesellschaft
- Lutz Frohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ruthenium catalysts, their preparation and a process for preparing...
- Patent number 5,663,443
- Issue date Sep 2, 1997
- Bayer Aktiengesellschaft
- Wolfgang Kiel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted 1,2,3,4-tetrahydrocarbaz...
- Patent number 5,648,500
- Issue date Jul 15, 1997
- Bayer Aktiengesellschaft
- Heinz Landscheidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing succinic anhydride
- Patent number 5,616,730
- Issue date Apr 1, 1997
- Bayer Aktiengesellschaft
- Joerg-Dietrich Jentsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrated niobium oxide and hydrated tantalum oxide catalysts, their...
- Patent number 5,593,936
- Issue date Jan 14, 1997
- Bayer Aktiengesellschaft
- Volker Glock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dialkyl carbonates
- Patent number 5,476,959
- Issue date Dec 19, 1995
- Bayer Aktiengesellschaft
- Konrad Hable
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing dialkyl carbonates
- Patent number 5,414,104
- Issue date May 9, 1995
- Bayer Aktiengesellschaft
- Joerg-Dietrich Jentsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chlorine-substituted aromatic amines...
- Patent number 5,410,085
- Issue date Apr 25, 1995
- Bayer Aktiengesellschaft
- Udo Birkenstock
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of aromatic carbonic diesters
- Patent number 5,354,923
- Issue date Oct 11, 1994
- Bayer Aktiengesellschaft
- Norbert Schon
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for the reduction of nitrogen oxides from waste gases and...
- Patent number 5,173,466
- Issue date Dec 22, 1992
- Bayer Aktiengesellschaft
- Hans-Hermann Heins
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polyarylene sulfide mixtures with reduced radical formation under h...
- Patent number 4,952,624
- Issue date Aug 28, 1990
- Bayer Aktiengesellschaft
- Burkhard Kohler
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS
- Publication number 20240157343
- Publication date May 16, 2024
- COVESTRO DEUTSCHLAND AG
- Bernd Pennemann
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS
- Publication number 20220289662
- Publication date Sep 15, 2022
- COVESTRO DEUTSCHLAND AG
- Lennart Sandbrink
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IMPROVED METHOD FOR PREPARING PARA-THYMOL
- Publication number 20170305825
- Publication date Oct 26, 2017
- LANXESS Deutschland GmbH
- Uwe BOEGER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ISOMERISATION CATALYST
- Publication number 20140012046
- Publication date Jan 9, 2014
- Lanxess Deutschland GmbH
- Lutz Heuer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Corrosion inhibitor for protecting metallic materials in strongly a...
- Publication number 20080267813
- Publication date Oct 30, 2008
- Lutz Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Continuous adiabatic process for nitrating chlorobenzene
- Publication number 20030181771
- Publication date Sep 25, 2003
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Corrosion inhibitor for protecting metallic materials in strongly a...
- Publication number 20030152479
- Publication date Aug 14, 2003
- Lutz Heuer
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Continuous adiabatic procss for preparing nitrochlorobenzene
- Publication number 20020161269
- Publication date Oct 31, 2002
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Continuous isothermal process for preparing mononitrotoluenes in th...
- Publication number 20020147372
- Publication date Oct 10, 2002
- Matthias Gotta
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Continuous isothermal process for preparing mononitrotoluenes
- Publication number 20020091290
- Publication date Jul 11, 2002
- Ralf Demuth
- C07 - ORGANIC CHEMISTRY

Eberhard Zirngiebl

Person

Patents Grantslast 30 patents

Corrosion inhibitor for protecting metallic materials in strongly a...

Continuous adiabatic process for nitrating chlorobenzene

Continuous isothermal process for preparing mononitrotoluenes in th...

Continuous adiabatic process for preparing nitrochlorobenzene

Continuous isothermal process for preparing mononitrotoluenes

Supported catalysts containing a platinum metal and process for pre...

Method for hydrogenating aromatic polymers in the presence of speci...

Method for hydrogenating aromatic polymers in the presence of hydro...

Process for the adiabatic preparation of 3,4-dichloronitrobenzene

Supported catalysts containing a platinum metal and process for pre...

Process for preparing 2-pyrrolidones

Process for preparing substituted cyclohexanones

Process for the preparation of carbazole

Process for the preparation of hydroxymethyl-cyclopropane

Ruthenium catalysts, their preparation and a process for preparing...

Process for the preparation of substituted 1,2,3,4-tetrahydrocarbaz...

Process for preparing succinic anhydride

Hydrated niobium oxide and hydrated tantalum oxide catalysts, their...

Process for the preparation of dialkyl carbonates

Process for preparing dialkyl carbonates

Process for the preparation of chlorine-substituted aromatic amines...

Process for the preparation of aromatic carbonic diesters

Catalyst for the reduction of nitrogen oxides from waste gases and...

Polyarylene sulfide mixtures with reduced radical formation under h...

Patents Applicationslast 30 patents

METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS

METHOD FOR THE HYDROGENATION OF AROMATIC NITRO COMPOUNDS

IMPROVED METHOD FOR PREPARING PARA-THYMOL

ISOMERISATION CATALYST

Corrosion inhibitor for protecting metallic materials in strongly a...

Continuous adiabatic process for nitrating chlorobenzene

Corrosion inhibitor for protecting metallic materials in strongly a...

Continuous adiabatic procss for preparing nitrochlorobenzene

Continuous isothermal process for preparing mononitrotoluenes in th...

Continuous isothermal process for preparing mononitrotoluenes