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. 05, 2004
Filed:
Nov. 02, 2001
Applicant:
Inventors:
Assignee:
Eisai Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 3/147 ; A61K 3/144 ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
A61K 3/147 ; A61K 3/144 ; C07D / ; C07D / ; C07D / ;
Abstract
The present invention provides a novel nitrogen-containing heterocyclic compound useful as a phosphodiesterase-4 inhibitor, and a medicament comprising the same. Further, the present invention provides a nitrogen-containing heterocyclic compound represented by the following formula, its salt or hydrates thereof, and a medicament comprising the same.