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:
Jan. 15, 1991
Filed:
Dec. 02, 1988
Applicant:
Inventors:
Shuji Morita, Yokohama, JP;
Ken-Ichi Saito, Machida, JP;
Kunihiro Ninomiya, Machida, JP;
Akihiro Tobe, Yokohama, JP;
Issei Nitta, Machida, JP;
Mamoru Sugano, Kawasaki, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ; C07D / ; C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514253 ; 514274 ; 514255 ; 514290 ; 514291 ; 514292 ; 514297 ; 514284 ; 514285 ; 514286 ; 514293 ; 514287 ; 514289 ; 546 70 ; 546 74 ; 546 93 ; 546 97 ; 546 63 ; 546 61 ; 546 62 ; 546 64 ; 546 80 ; 546 81 ; 546 89 ; 546102 ; 546103 ; 546104 ; 546105 ; 546106 ; 546 82 ; 546 83 ; 546 84 ; 544316 ; 544361 ;
Abstract
There are disclosed a 9-acylamino-tetrahydroacridine derivative represented by the following formula (I): ##STR1## wherein R ##STR2## are as defined in the specification, its optical antipode or pharmaceutically acceptable acid addition salt thereof and a memory enhancing agent containing the same as an active ingredient.