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:
Mar. 20, 1979
Filed:
Jun. 27, 1977
Masuo Murakami, Tokyo, JP;
Kozo Takahashi, Tokyo, JP;
Kiyoshi Murase, Urawa, JP;
Toshiyasu Mase, Tokyo, JP;
Hisashi Ida, Urawa, JP;
Toichi Takenaka, Tokyo, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
There are disclosed novel 4-substituted amino-.alpha.-aminomethylbenzyl alcohol derivatives represented by the formula: ##STR1## wherein X represents a halogen atom; Y represents a hydrogen atom or a halogen atom; R.sub.1 represents a lower alkyl group, a carbamoyl group, a mono- or di-lower alkyl-substituted carbamoyl group, a phenyl-substituted carbamoyl group, a lower alkoxycarbonyl group, a lower alkoxy-substituted lower alkoxycarbonyl group, a phenyl-substituted lower alkoxycarbonyl group, or a cycloalkyloxycarbonyl group; and R.sub.2 represents a lower alkyl group, a cycloalkyl group, or the group shown by the ##STR2## wherein R.sub.3 represents a hydrogen atom or a lower alkyl group and R.sub.4 represents a hydrogen atom, a hydroxy group, or a lower alkoxy group and the pharmaceutically acceptable nontoxic salts thereof. These compounds are antiasthmatic agents useful for the prophylaxis and treatment of asthma.