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. 24, 2001
Filed:
Sep. 23, 1999
Applicant:
Inventors:
Hiroshi Tsumuki, Osaka, JP;
Junichi Shimada, Shizuoka, JP;
Hironori Imma, Shizuoka, JP;
Akiko Nakamura, Niigata, JP;
Hiromi Nonaka, Shizuoka, JP;
Shizuo Shiozaki, Shizuoka, JP;
Shunji Ichikawa, Shizuoka, JP;
Tomoyuki Kanda, Shizuoka, JP;
Yoshihisa Kuwana, Shizuoka, JP;
Michio Ichimura, Shizuoka, JP;
Fumio Suzuki, Shizuoka, JP;
Assignee:
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; A61K 3/1505 ;
U.S. Cl.
CPC ...
C07D / ; A61K 3/1505 ;
Abstract
[1,2,4]Triazolo[1,5-c]pyrimidine derivatives represented by formula (I) or pharmaceutically acceptable salts thereof are provided, which have adenosine A,receptor antagonism and are useful for the treatment or prevention of various diseases induced by hyperactivity of adenosine A,receptors (for example, Parkinson's disease or senile dementia):