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:
Aug. 13, 1991
Filed:
Jan. 12, 1990
Takashi Fujikura, Saitama, JP;
Yuzo Matsumoto, Tokyo, JP;
Yamanouchi Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
Novel 1,4-dihydropyridine derivatives and salts thereof are provided, which can be represented by the formula ##STR1## wherein, Y represents an oxygen atom or a sulfur atom; A represents an alkylene group, an alkenylene group or an alkynylene group; and R.sup.7 and R.sup.8 can represent individual groups or may be combined together with a nitrogen atom(s) to form a pyrrole ring, a piperidine ring, a morpholine ring or a piperazine ring or azepine ring which may be substituted with a lower alkyl group or an aralkyl group. Pharmaceutical compositions containing the derivatives and their use for imparting calcium antagonistic activity are also provided.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile