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. 06, 1976
Filed:
Aug. 07, 1974
Applicant:
Inventors:
Katsumi Sakai, Kamiichi, JA;
Riitiro Iwaki, Tokyo, JA;
Katsuki Taoka, Komae, JA;
Hiroshi Nakajima, Toyama, JA;
Yasuo Yamada, Komae, JA;
Assignees:
Fuji Chemical Industry Co., Ltd., Tokyo, JA;
Nippon Chemiphar Co., Ltd., Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 424250 ;
Abstract
.alpha.-Cyanobenzylpiperazines represented by the formula ##SPC1## Or an acid addition salt thereof, wherein R.sub.1 is a halogen or 1-3C lower alkoxy, R.sub.2 and R.sub.3 are each hydrogen or 1-3C lower alkoxy, R.sub.4 is 1-3C lower alkyl, and R.sub.5 is hydrogen or 1-3C lower alkyl, which are produced by reacting an aromatic carbonyl compound with hydrogen cyanide or a salt thereof and N-alkoxycarbonyl piperazine or an acid addition salt thereof.