David N. Stephens

Person

Berlin, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Quinoxaline-carboxylic acid derivatives
- Patent number 6,288,065
- Issue date Sep 11, 2001
- Schering Aktiengeseellschaft
- Andreas Huth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of quisqualate receptor antagonists
- Patent number 6,191,132
- Issue date Feb 20, 2001
- Schering Aktiengesellschaft
- Thomas Klockgether
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Quinoxaline-phosphonic acid derivatives
- Patent number 6,057,304
- Issue date May 2, 2000
- Schering Aktiengesellschaft
- Andreas Huth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hetaryloxy-.beta.-carbolines, their production and use in pharmaceu...
- Patent number 5,698,555
- Issue date Dec 16, 1997
- Schering Aktiengesellschaft
- Martin Kruger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pharmaceutical agents for preventing the development of tolerance d...
- Patent number 5,614,509
- Issue date Mar 25, 1997
- Schering Aktiengesellschaft
- Lechoslaw Turski
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Pharmaceutical agent for treatment of withdrawal symptoms
- Patent number 5,385,903
- Issue date Jan 31, 1995
- Schering Aktiengesellschaft
- Karin G. Steppuhn
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hetaryloxy-.beta.-carbolines, and use as pharmaceutical agents for...
- Patent number 5,348,958
- Issue date Sep 20, 1994
- Schering Aktiengesellschaft
- Martin Kruger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
N-hetaryl imidazole derivatives
- Patent number 4,987,146
- Issue date Jan 22, 1991
- Schering Aktiengesellschaft
- Ralph Rohde
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteroaryloxy-.beta.-carboline derivatives, their preparation and t...
- Patent number 4,960,777
- Issue date Oct 2, 1990
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imidazole derivatives
- Patent number 4,952,698
- Issue date Aug 28, 1990
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phenoxy-substituted beta-carboline derivatives, their production an...
- Patent number 4,945,090
- Issue date Jul 31, 1990
- Schering Aktiengesellschaft
- Ralph Schmiechen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isoxazole-.beta.-carboline derivatives
- Patent number 4,933,345
- Issue date Jun 12, 1990
- Schering Aktiengesellschaft
- Andreas Huth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteroaryloxy-beta-carboline derivatives, their preparation and the...
- Patent number 4,877,792
- Issue date Oct 31, 1989
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tetrahydro-beta-carbolines, and their use as drugs
- Patent number 4,855,295
- Issue date Aug 8, 1989
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and...
- Patent number 4,778,800
- Issue date Oct 18, 1988
- Schering Aktiengesellschaft
- Andreas Huth
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions...
- Patent number 4,757,070
- Issue date Jul 12, 1988
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions...
- Patent number 4,731,365
- Issue date Mar 15, 1988
- Schering Aktiengesellschaft
- Helmut Biere
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazep...
- Patent number 4,719,210
- Issue date Jan 12, 1988
- Schering Aktiengesellschaft
- Dieter Seidelmann
- C07 - ORGANIC CHEMISTRY

David N. Stephens

Person

Patents Grantslast 30 patents

Quinoxaline-carboxylic acid derivatives

Use of quisqualate receptor antagonists

Quinoxaline-phosphonic acid derivatives

Hetaryloxy-.beta.-carbolines, their production and use in pharmaceu...

Pharmaceutical agents for preventing the development of tolerance d...

Pharmaceutical agent for treatment of withdrawal symptoms

Hetaryloxy-.beta.-carbolines, and use as pharmaceutical agents for...

N-hetaryl imidazole derivatives

Heteroaryloxy-.beta.-carboline derivatives, their preparation and t...

Imidazole derivatives

Phenoxy-substituted beta-carboline derivatives, their production an...

Isoxazole-.beta.-carboline derivatives

Heteroaryloxy-beta-carboline derivatives, their preparation and the...

Tetrahydro-beta-carbolines, and their use as drugs

3-oxadiazole and 3-carboxylic acid beta-carboline derivatives, and...

3-oxadiazolyl-5-aminoalkyl-beta-carboline derivatives compositions...

5-aminoalkyl-beta-carboline derivatives, psycho tropic compositions...

3-vinyl and 3-thyinyl-beta-carbolines, and their use as benzodiazep...