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. 05, 1991
Filed:
Aug. 21, 1990
Kazuo Imai, Saitama, JP;
Kunihiro Niigata, Saitama, JP;
Takashi Fujikura, Saitama, JP;
Shinichi Hashimoto, Matsudo, JP;
Toichi Takenaka, Tokyo, JP;
Kazuo Honda, Saitama, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Phenethylamine derivatives shown by the general formula ##STR1## wherein Ro represents a lower alkyl group; R.sub.1 represents a lower alkyl group or a lower alkoxy group, R.sub.2 represents hydrogen atom or a hydroxyl group; R.sub.3 and R.sub.4 each represents hydrogen atom or a lower alkyl group; R.sub.5 represents hydrogen atom or a lower alkoxy group; X represents oxygen atom or a methylene group; m is an integer of 1-3; and n is an integer of 0-2 and the acid addition salts thereof. These compounds exhibit a strong .alpha.-adrenergic blocking action and are useful as an antihypertensive agent.