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.

Date of Patent:
Nov. 06, 1990

Filed:

Sep. 15, 1989
Applicant:
Inventors:

Kenzo Yokozeki, Kawasaki, JP;

Hideyuki Shirae, Kawasaki, JP;

Koji Kubota, Kawasaki, JP;

Assignee:

Ajinomoto Co., Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P / ; C12P / ; C12R / ; C12R / ;
U.S. Cl.
CPC ...
435 42 ; 435 85 ; 435 87 ; 435847 ; 435852 ;
Abstract

The present invention relates to methods for producing ribavirin utilizing microorganisms and a method for producing ribose-1-phosphoric acid which is a precursor of ribavirin. The methods involve contacting certain microorganisms with orotidine, orotidic acid, or salts thereof, and inorganic phosphoric acid or a salt thereof (to produce ribose-1-phosphoric acid), and further with 1,2,4-triazole-3-carboxamide or a salt thereof (to produce ribavirin) in an aqueous solvent.


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