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. 10, 1990
Filed:
Dec. 22, 1988
Applicant:
Inventors:
Yoshiaki Tanaka, Konan, JP;
Tomoji Aotsuka, Konan, JP;
Naomi Kobayashi, Konan, JP;
Naoki Nakata, Konan, JP;
Kuniyoshi Ogura, Konan, JP;
Motoki Torizuka, Konan, JP;
Naoyoshi Miura, Konan, JP;
Heihachiro Arai, Konan, JP;
Assignee:
Zeria Pharmaceutical Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; A61K / ;
U.S. Cl.
CPC ...
574365 ; 548200 ; 548201 ;
Abstract
Novel N-substituted amino acid imide derivatives are disclosed. The compounds are represented by formula (I): ##STR1## wherein n represents an integer of 0 to 5, and X and Y, which may be the same or different, represent a methylene group or a sulfur atom, provided that not both X and Y are methylene groups at the same time. The compounds are useful as a medicine for treating or preventing cerebral circulation disorder, cerebral metabolism disorder, or memory disturbance.