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:
Oct. 18, 2011
Filed:
Aug. 13, 2003
Applicants:
Martin Hendrix, Odenthal, DE;
Frank-gerhard Böβ, Berkshire, GB;
Nils Burkhardt, Velbert, DE;
Christina Erb, Kriftel, DE;
Adrian Tersteegen, Velbert, DE;
Marja Van Kampen, Düsseldorf, DE;
Inventors:
Martin Hendrix, Odenthal, DE;
Frank-Gerhard Böβ, Berkshire, GB;
Nils Burkhardt, Velbert, DE;
Christina Erb, Kriftel, DE;
Adrian Tersteegen, Velbert, DE;
Marja Van Kampen, Düsseldorf, DE;
Assignee:
Boehringer Ingelheim International GmbH, Ingelheim am Rhein, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); A61K 31/519 (2006.01); A61P 25/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to novel alkyl-substituted pyrazolopyrimidines, process for their preparation, and the use thereof for producing medicaments for improving perception, concentration, learning and/or memory with compounds of formula (I):