Helmut Waldmann

Person

Leverkusen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for working up reaction gases during the oxidation HCI to c...
- Patent number 6,387,345
- Issue date May 14, 2002
- Bayer Aktiengesellschaft
- Fritz Gestermann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of diaminodipropyl ethers and hydroxyam...
- Patent number 5,900,510
- Issue date May 4, 1999
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and device for delivering hot, aggressive media
- Patent number 5,820,827
- Issue date Oct 13, 1998
- Bayer Aktiengesellschaft
- Hans-Ulrich Dummersdorf
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2-methyl-2,4-diaminopentane
- Patent number 5,801,285
- Issue date Sep 1, 1998
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 1,4-bis(aminomethyl) cyclohexane
- Patent number 5,789,620
- Issue date Aug 4, 1998
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and device for delivering hot, aggressive media
- Patent number 5,660,810
- Issue date Aug 26, 1997
- Bayer Aktiengesellschaft
- Hans-Ulrich Dummersdorf
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dialky carbonates
- Patent number 5,599,965
- Issue date Feb 4, 1997
- Bayer Aktiengesellschaft
- Zoltan Kricsfalussy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid an...
- Patent number 5,583,252
- Issue date Dec 10, 1996
- Bayer Aktiengesellschaft
- Reinhard Schom acker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the dechlorination of chlorinated aromatic compounds
- Patent number 5,552,549
- Issue date Sep 3, 1996
- Bayer Aktiengesellschaft
- Christian Rasp
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Process for preparing dimethyl carbonate
- Patent number 5,523,452
- Issue date Jun 4, 1996
- Bayer Aktiengesellschaft
- Zoltan Kricsfalussy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic oxidation
- Patent number 5,504,260
- Issue date Apr 2, 1996
- Bayer Aktiengesellschaft
- Zoltan Kricsfalussy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of acylbenzenes
- Patent number 5,434,310
- Issue date Jul 18, 1995
- Bayer Aktiengesellschaft
- Helmut Waldmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Palladium catalyst and its use in the preparation of a mixture of o...
- Patent number 5,386,060
- Issue date Jan 31, 1995
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for converting plastic waste into power
- Patent number 5,369,947
- Issue date Dec 6, 1994
- Bayer Aktiengesellschaft
- Hans-Ulrich Dummersdorf
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Process for the preparation of a mixture of cyclohexylamine and dic...
- Patent number 5,322,965
- Issue date Jun 21, 1994
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst for the preparation of aniline
- Patent number 5,304,525
- Issue date Apr 19, 1994
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Special dihydroxydiphenyl bicycloalkanes, their production and thei...
- Patent number 5,276,213
- Issue date Jan 4, 1994
- Bayer Aktiengesellschaft
- Volker Serini
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of di-(4-aminocyclohexyl)-methane contai...
- Patent number 5,245,082
- Issue date Sep 14, 1993
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of dialkyl carbonates
- Patent number 5,233,072
- Issue date Aug 3, 1993
- Bayer Aktiengesellschaft
- Zoltan Kricsfalussy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polycarbonate from special dihydroxydiphenyl bicycloalkane
- Patent number 5,212,280
- Issue date May 18, 1993
- Bayer Aktiengesellschaft
- Volker Serini
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of substituted cycloalkylidene bisphenols
- Patent number 5,210,328
- Issue date May 11, 1993
- Bayer Aktiengesellschaft
- Dieter Freitag
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of diphenylamines
- Patent number 5,196,592
- Issue date Mar 23, 1993
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of n-alkylated aromatic amines
- Patent number 5,166,440
- Issue date Nov 24, 1992
- Bayer Aktiengesellschaft
- Otto Immel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic process for preparing polycumylene from .alpha.-cumyl halide
- Patent number 4,745,176
- Issue date May 17, 1988
- Bayer Aktiengesellschaft
- Robert Becker
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the regeneration of catalysts for the gas-phase reducti...
- Patent number 4,714,689
- Issue date Dec 22, 1987
- Bayer Aktiengesellschaft
- Gunter Stammann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of substituted polyaryl ethers
- Patent number 4,705,843
- Issue date Nov 10, 1987
- Bayer Aktiengesellschaft
- Gunter Stammann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of 1-butene-3,4-diol
- Patent number 4,661,646
- Issue date Apr 28, 1987
- Bayer Aktiengesellschaft
- Rolf Schalenbach
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of urethanes
- Patent number 4,593,116
- Issue date Jun 3, 1986
- Bayer Aktiengesellschaft
- Gunter Stammann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of urethanes
- Patent number 4,582,923
- Issue date Apr 15, 1986
- Bayer Aktiengesellschaft
- Gunter Stammann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation and isolation of polyglycidyl compounds
- Patent number 4,562,274
- Issue date Dec 31, 1985
- Bayer Aktiengesellschaft
- Gebhard Rauleder
- C07 - ORGANIC CHEMISTRY

Helmut Waldmann

Person

Patents Grantslast 30 patents

Process for working up reaction gases during the oxidation HCI to c...

Process for the preparation of diaminodipropyl ethers and hydroxyam...

Method and device for delivering hot, aggressive media

Process for the preparation of 2-methyl-2,4-diaminopentane

Process for the preparation of 1,4-bis(aminomethyl) cyclohexane

Method and device for delivering hot, aggressive media

Process for the preparation of dialky carbonates

Process for preparing 4,4'-dinitrostilbene-2,2'-disulphonic acid an...

Process for the dechlorination of chlorinated aromatic compounds

Process for preparing dimethyl carbonate

Catalytic oxidation

Process for the preparation of acylbenzenes

Palladium catalyst and its use in the preparation of a mixture of o...

Process for converting plastic waste into power

Process for the preparation of a mixture of cyclohexylamine and dic...

Catalyst for the preparation of aniline

Special dihydroxydiphenyl bicycloalkanes, their production and thei...

Process for the production of di-(4-aminocyclohexyl)-methane contai...

Process for the preparation of dialkyl carbonates

Polycarbonate from special dihydroxydiphenyl bicycloalkane

Process for the preparation of substituted cycloalkylidene bisphenols

Process for the preparation of diphenylamines

Process for the preparation of n-alkylated aromatic amines

Catalytic process for preparing polycumylene from .alpha.-cumyl halide

Process for the regeneration of catalysts for the gas-phase reducti...

Process for the production of substituted polyaryl ethers

Process for the preparation of 1-butene-3,4-diol

Process for the production of urethanes

Process for the production of urethanes

Process for the preparation and isolation of polyglycidyl compounds