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:
Dec. 05, 2000
Filed:
Apr. 22, 1999
Applicant:
Inventors:
Helen Jane Bryant, Roydon, GB;
Mark Stuart Chambers, Puckeridge, GB;
Sarah Christine Hobbs, Great Dunmow, GB;
Assignee:
Merck Sharpe & Dohme Limited, Hoddesdon, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; A61K / ;
U.S. Cl.
CPC ...
514277 ; 514278 ; 514336 ; 546 15 ; 5462804 ; 5462844 ; 546339 ;
Abstract
The present invention provides a compound of formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein A, B, R2, R3 and q are as defined in the disclosure, pharmaceutical compositions containing them; methods for their production; their use in therapy and methods of treatment of disease states where cognition enhancement is required, such as Alzheimer's disease.