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. 10, 1989
Filed:
May. 20, 1988
Applicant:
Inventors:
Assignee:
Nippon Shinyaku Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
514242 ;
Abstract
Compounds of the formula I ##STR1## and pharmaceutically acceptable salts thereof wherein R.sup.1 is hydrogen or lower alkyl and R.sup.2 and R.sup.3 are the same or different and each is hydrogen, lower alkoxy or halo, in combination with a pharmaceutically acceptable carrier have been found to be useful as nootropic agents.