The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
May. 10, 2001
Applicant:
Inventors:
Neil Roy Curtis, Buntingford, GB;
Janusz Jozef Kulagowski, Sawbridgeworth, GB;
Francine Sternfeld, London, GB;
Assignee:
Merck Sharp & Dohme Ltd., Hoddesdon, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 3/150 ; A61P 2/508 ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/150 ; A61P 2/508 ; C07D / ;
Abstract
A class of 1,2,3a,4,x-pentaaza-cyclopenta[a]naphthalene compounds (x=6, 7, 8 or 9) is described. The compounds have a high affinity for the GABA &agr;5 receptors and show inverse agonist activity thereat. The compounds are useful in therapy where cognition enhancement is required.