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. 22, 1977
Filed:
Jul. 03, 1975
Yutaka Kuwada, Hyogo, JA;
Kanji Meguro, Hyogo, JA;
Hideaki Natsugari, Hyogo, JA;
Yoshiaki Sato, Hyogo, JA;
Hiroyuki Tawada, Osaka, JA;
Takeda Chemical Industries, Ltd., Osaka, JA;
Abstract
A novel heterocyclic compound of the general formula: ##STR1## wherein R.sup.1 represents hydrogen atom or a hydrocarbon residue; R.sup.2 represents hydrogen atom or a lower alkyl group; Py represents a pyridyl group; Y represents an ethylene or a trimethylene group which may have lower alkyl group as substituent; Z represents oxygen atom, sulfur atom or --NH-- groups; and the ring A is either unsubstituted or substituted by a halogen atom, nitro, alkyl, alkoxy or trifluoromethyl group, is found to be useful as medicine in human and animal therapy, as these compounds act on the central nervous system, as, for example, muscle relaxants, anticonvulsants, sedatives, minor tranquilizers, etc.