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:
Oct. 02, 1979
Filed:
May. 26, 1977
Applicant:
Inventors:
Takeo Miyazawa, Yokohama, JP;
Yukio Horiuchi, Yokohama, JP;
Eiichi Akita, Kamakura, JP;
Hamao Umezawa, Tokyo, JP;
Sumio Umezawa, Tokyo, JP;
Assignee:
Meiji Seika Kaisha, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; C07H / ;
U.S. Cl.
CPC ...
424180 ; 536 / ;
Abstract
A process for preparing a novel antibiotic, 5'-amino-3',5'-dideoxy-ribostamycin, which comprises subjecting a ribostamycin derivative represented by the formula: ##STR1## to selective sulfonylation to form a 3',5'-O-disulfonyl derivative, SUBJECTING THE THUS PRODUCED DERIVATIVE TO AZIDE-FORMING REACTION WITH SODIUM AZIDE,
Miyazawa, Takeo. (1979). Pharmaceutical composition containing (U.S. Patent No. 4169890). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4169890
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile