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:
Dec. 02, 1980
Filed:
May. 26, 1978
Akira Shiozawa, Tokyo, JP;
Shuji Kurashige, Urawa, JP;
Hiroaki Hamano, Higashimurayama, JP;
Yasuhiko Furuta, Tokyo, JP;
Masako Ikeda, Mitaka, JP;
Hiroshi Miyazaki, Kawasaki, JP;
Chiyoko Aoyagi, Urawa, JP;
Yasuo Ishii, Kashiwa, JP;
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Abstract
Novel .alpha.-methyl-.beta.-aminopropiophenone derivatives having bronchodilator activity represented by the following general formula: ##STR1## where R represents alkyl having 1-6 carbon atom benzyl or phenyl; R.sub.1 and R.sub.2 individually represent alkyl having 1-6 carbon atom or they form, joining to each other together with the adjacent nitrogen atom with or without intervening an atom other than carbon atom, a saturated heterocyclic ring which may be substituted with lower alkyl; n is an integer of 0, 1 or 2 on the proviso that R represents methyl or ethyl if n is 0, as well as their non-toxic salts are presented. Method of producing the new derivatives and the bronchodilatation method using them are disclosed as well.