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:
Jun. 29, 1993
Filed:
Dec. 13, 1991
Shin-ichi Hirano, Chigasaki, JP;
Yoshio Watanabe, Fujisawa, JP;
Kaichiro Kominato, Yamato, JP;
Naoki Agata, Fujisawa, JP;
Yutaka Hara, Yokohama, JP;
Norio Shibamoto, Chigasaki, JP;
Takeo Yoshioka, Ayase, JP;
Tomoyuki Kioka, Yokohama, JP;
Hiroshi Iguchi, Yokohama, JP;
Masataka Shirai, Tokyo, JP;
Hiroshi Tone, Yokohama, JP;
Rokuro Okamoto, Fujisawa, JP;
Mercian Corporation, Tokyo, JP;
Abstract
4-Hydroxypyridine derivative represented by the following formula ##STR1## wherein R represents a methyl group or an isopropyl group, and the method for preparing the derivative comprising the step of cultivating a strain belonging to Streptomyces karnatakensis are disclosed. Also disclosed are the pharmaceutical composition comprising the same and a method for treating circulatory diseases comprising the step of administering said compound to a patient.