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:
Sep. 24, 1991
Filed:
Sep. 18, 1989
Applicant:
Inventors:
Assignee:
Sumitomo Pharmaceuticals Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514397 ; 548518 ; 548540 ; 548539 ; 548572 ; 548336 ; 548468 ; 514422 ; 514423 ; 514428 ; 514414 ;
Abstract
The present invention relates to pyrrolidine derivatives of the formula ##STR1## wherein R.sup.1 and R.sup.2 are defined as herein. The compounds are useful as anti-amnestic agent.
Tamoto, Katsumi. (1991). Pyrrolidine derivatives as anti-amnesia agents (U.S. Patent No. 5051444). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5051444
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile