Kurt-Henning Ahrens

Person

Nurnberg, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Crystalline trimetrexate salts and the process for making the same
- Patent number 6,017,921
- Issue date Jan 25, 2000
- U.S. Bioscience, Inc.
- Paul Kennedy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline trimetrexate salts and the process for making the same
- Patent number 5,716,960
- Issue date Feb 10, 1998
- U.S. Bioscience Inc. and Individuals
- Paul Kennedy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazolyl propyl guanidine derivative and a pharmaceutical composi...
- Patent number 5,182,294
- Issue date Jan 26, 1993
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Cardiotonic thiadiazine derivatives
- Patent number 5,108,998
- Issue date Apr 28, 1992
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzimidazoles and pharmaceutical preparations containing these com...
- Patent number 5,039,675
- Issue date Aug 13, 1991
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidine-thioalkyl pyridine derivatives, medicaments containing t...
- Patent number 5,025,016
- Issue date Jun 18, 1991
- Ludwig Heumann & Co. GmbH
- Kurt H. Ahrens
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazolyl alkyl guanidine derivatives, processes for their prepara...
- Patent number 5,021,431
- Issue date Jun 4, 1991
- Heumann Pharma GmbH & Co.
- Armin Buschauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid...
- Patent number 4,978,773
- Issue date Dec 18, 1990
- Heumann Pharma GmbH & Co.
- Ingomar Grafe
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Stable solvent adducts of Z-1-(p-.beta.-dimethylaminoethoxy-phenyl)...
- Patent number 4,973,755
- Issue date Nov 27, 1990
- Heumann Pharma GmbH & Co.
- Ingomar Grafe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the preparation of nitroethene derivatives
- Patent number 4,968,808
- Issue date Nov 6, 1990
- Heumann Pharma GmbH & Co.
- Peter Mosdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-oxo-pyridazine derivatives, a process for their preparation and m...
- Patent number 4,968,683
- Issue date Nov 6, 1990
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzimidazoles, and pharmaceutical preparations containing these co...
- Patent number 4,957,920
- Issue date Sep 18, 1990
- Heumann Pharma GmbH & Co.
- Peter Morsdorf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine substituted 6-phenyldihydro-3(2H)-pyridazinones, and pha...
- Patent number 4,954,501
- Issue date Sep 4, 1990
- Heumann Pharma GmbH & Co.
- Rolf Herter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dihydropyridazinone derivatives, a process for their preparation an...
- Patent number 4,921,856
- Issue date May 1, 1990
- Heumann Pharma GmbH & Company
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazolylguanidine derivatives and compositions containing these c...
- Patent number 4,912,119
- Issue date Mar 27, 1990
- Heumann Pharma GmbH & Co.
- Armin Buschauer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-[4-[[2-(halophenyl)-2-[1H-tr:azol(or diazol)-1-ylmethyl)-1,3-diox...
- Patent number 4,833,141
- Issue date May 23, 1989
- Heumann Pharma GmbH & Co.
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazin)-...
- Patent number 4,816,455
- Issue date Mar 28, 1989
- Heumann Pharma GmbH & Co.
- Helmut Schickaneder
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1,4-dihydropyridine derivatives
- Patent number 4,757,080
- Issue date Jul 12, 1988
- Heumann Pharma GmbH & Co.
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3,4-Thiadiazole derivatives and pharmaceutical preparations usefu...
- Patent number 4,738,960
- Issue date Apr 19, 1988
- Ludwig Heumann & Co. GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzothiazole derivatives, processes for their preparation and phar...
- Patent number 4,732,986
- Issue date Mar 22, 1988
- Ludwig Heumann & Co. GmbH
- Kay Brune
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3,4-Diazole derivatives and pharmaceutical preparations containing...
- Patent number 4,727,081
- Issue date Feb 23, 1988
- Ludwig Heumann & Co. GmbH
- Kurt Wegner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of basically substituted phenylacetonit...
- Patent number 4,697,035
- Issue date Sep 29, 1987
- Ludwig Heumann & Co., GmbH
- Lothar Kisielowski
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrazole derivatives, processes for their preparation and pharmaceu...
- Patent number 4,666,921
- Issue date May 19, 1987
- Ludwig Heumann & Co. GmbH
- Rolf Herter
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Alkanol derivatives, and pharmaceutical preparation containing thes...
- Patent number 4,659,721
- Issue date Apr 21, 1987
- Ludwig Heumann & Co. GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diamine derivatives and pharmaceutical preparations containing thes...
- Patent number 4,656,180
- Issue date Apr 7, 1987
- Ludwig Heumann & Co., GmbH
- Stefan Postius
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of 4-amino-6,7-dimethoxy-2-[4-(furo-2-yl...
- Patent number 4,647,684
- Issue date Mar 3, 1987
- Ludwig Heumann & Co. GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
1,3-dioxolanyl derivatives, a process for their preparation, their...
- Patent number 4,634,700
- Issue date Jan 6, 1987
- Ludwig Heumann & Co., GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical preparation
- Patent number 4,600,721
- Issue date Jul 15, 1986
- Ludwig Heumann & Co., GmbH
- Peter Morsdorf
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Propan-2-ol derivatives, a process for their production and medicam...
- Patent number 4,599,346
- Issue date Jul 8, 1986
- Ludwig Heumann & Co., GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quinazoline and medicaments containing these compounds
- Patent number 4,578,389
- Issue date Mar 25, 1986
- Ludwig Heumann & Co. GmbH
- Helmut Schickaneder
- C07 - ORGANIC CHEMISTRY

Kurt-Henning Ahrens

Person

Patents Grantslast 30 patents

Crystalline trimetrexate salts and the process for making the same

Crystalline trimetrexate salts and the process for making the same

Imidazolyl propyl guanidine derivative and a pharmaceutical composi...

Cardiotonic thiadiazine derivatives

Benzimidazoles and pharmaceutical preparations containing these com...

Pyrimidine-thioalkyl pyridine derivatives, medicaments containing t...

Imidazolyl alkyl guanidine derivatives, processes for their prepara...

Process for the preparation of 2,6-dichlorodiphenylaminoacetic acid...

Stable solvent adducts of Z-1-(p-.beta.-dimethylaminoethoxy-phenyl)...

Process for the preparation of nitroethene derivatives

6-oxo-pyridazine derivatives, a process for their preparation and m...

Benzimidazoles, and pharmaceutical preparations containing these co...

Piperazine substituted 6-phenyldihydro-3(2H)-pyridazinones, and pha...

Dihydropyridazinone derivatives, a process for their preparation an...

Imidazolylguanidine derivatives and compositions containing these c...

4-[4-[[2-(halophenyl)-2-[1H-tr:azol(or diazol)-1-ylmethyl)-1,3-diox...

Crystalline, anhydrous sigma-form of 2-(4-(2-furoyl)-(2-piperazin)-...

1,4-dihydropyridine derivatives

1,3,4-Thiadiazole derivatives and pharmaceutical preparations usefu...

Benzothiazole derivatives, processes for their preparation and phar...

3,4-Diazole derivatives and pharmaceutical preparations containing...

Process for the preparation of basically substituted phenylacetonit...

Pyrazole derivatives, processes for their preparation and pharmaceu...

Alkanol derivatives, and pharmaceutical preparation containing thes...

Diamine derivatives and pharmaceutical preparations containing thes...

Process for the production of 4-amino-6,7-dimethoxy-2-[4-(furo-2-yl...

1,3-dioxolanyl derivatives, a process for their preparation, their...

Pharmaceutical preparation

Propan-2-ol derivatives, a process for their production and medicam...

Quinazoline and medicaments containing these compounds