Stephen K. Long

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Weesp, NL

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Patents Grantslast 30 patents

Information Patent Grant
Piperazine and piperidine compounds
- Patent number RE41425
- Issue date Jul 6, 2010
- Duphar International Research B.V.
- Roelof Willem Feenstra
- 544 - Organic compounds
Information Patent Grant
Piperazine and piperidine compounds
- Patent number 7,297,699
- Issue date Nov 20, 2007
- Solvay Pharmaceuticals, Inc.
- Roelof W. Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine and piperidine compounds
- Patent number 6,911,448
- Issue date Jun 28, 2005
- Solvay Pharmaceuticals B.V.
- Roelof W. Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine and piperidine compounds
- Patent number 6,780,864
- Issue date Aug 24, 2004
- Duphar International Research B.V.
- Roelof Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine and piperidine compounds
- Patent number 6,225,312
- Issue date May 1, 2001
- Duphar International Research B.V.
- Roelof Willem Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine compounds, their preparation, and methods of using them
- Patent number 6,214,829
- Issue date Apr 10, 2001
- Duphar International Research B.V.
- Roelof W. Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Piperazine and piperidine compounds
- Patent number 6,090,812
- Issue date Jul 18, 2000
- Duphar International Research B.V.
- Roelof Willem Feenstra
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
New piperazine and piperidine compounds
- Publication number 20060089366
- Publication date Apr 27, 2006
- Solvay Pharmaceuticals B.V.
- Roelof W. Feenstra
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Use of compounds having combined dopamine d2, 5-ht1a and alpha adre...
- Publication number 20030186838
- Publication date Oct 2, 2003
- Roelof W. Feenstra
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Piperazine and piperidine compounds
- Publication number 20030119849
- Publication date Jun 26, 2003
- Roelof W. Feenstra
- C07 - ORGANIC CHEMISTRY