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:
Nov. 28, 1989
Filed:
Sep. 09, 1988
Applicant:
Inventors:
Kunihiro Ninomiya, Machida, JP;
Ken-Ichi Saito, Machida, JP;
Shuji Morita, Yokohama, JP;
Akihiro Tobe, Yokohama, JP;
Issei Nitta, Machida, JP;
Assignee:
Mitsubishi Kasei Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
514278 ; 514320 ; 514326 ; 546 15 ; 546201 ; 546208 ;
Abstract
A novel 4-piperidinecarboxamide derivatives represented by the general formula (I): ##STR1## wherein each R.sup.1 and R.sup.2 represents a hydrogen atom, or R.sup.1 together with R.sup.2 represents a cyclopentanespiro or cyclohexanespiro group; R.sup.3 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aralkyl group or an indolylalkyl group; and n is an integer of 1 or 2; is disclosed herein. The novel compound is useful as the agent for improving the impaired brain fuction.