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:
Apr. 25, 2000
Filed:
Jun. 15, 1999
Applicant:
Inventors:
Thomas Arnold, Radebeul, DE;
Hans-Joachim Lankau, Weinbohla, DE;
Manfred Menzer, Dresden, DE;
Angelika Rostock, Dresden, DE;
Christine Tober, Weinbohla, DE;
Klaus Unverferth, Dresden, DE;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ;
U.S. Cl.
CPC ...
514258 ; 544262 ;
Abstract
The invention relates to pyrazolo[3,4d]pyrimidin-4(5H)-ones and pyrazolo[3,4-d]pyrimidine-4(5H)-thiones and their tautomers and pharmaceutically acceptable salts, which contain a benzyl radical in the 2-position, processes for their preparation and their use as medicaments, in particular for the treatment of epilepsies of various forms and of allergic/asthmatic diseases.