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. 04, 1977
Filed:
Dec. 16, 1975
Applicant:
Inventors:
Michio Sugimoto, Chiba, JA;
Fumitada Yamamoto, Chiba, JA;
Kosaku Honna, Chiba, JA;
Konomu Kurisaki, Chiba, JA;
Hirozo Sugahara, Chiba, JA;
Kiyoshi Watanabe, Chiba, JA;
Yasuo Fujimoto, Tokyo, JA;
Syoji Ryu, Noda, JA;
Assignees:
Idemitsu Kosan Co., Ltd., Tokyo, JA;
Nippon Chemiphar Co., Ltd., Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602 / ; 2602 / ; 2602 / ; 2602 / ;
Abstract
Adamantane derivatives of this invention are represented by the formula ##STR1## wherein R.sub.1 is ##STR2## or --CH.sub.2 -- and R.sub.2 is ##STR3## or --CH.sub.2 CH=CH--. Said derivatives are cerebral vasodilators or intermediates for the same.