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:
Sep. 14, 1993

Filed:

Apr. 26, 1990
Applicant:
Inventors:

Koichi Ishii, Kawasaki, JP;

Shigeyoshi Miyashiro, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424123 ;
Abstract

By irradiating a polyene antibiotic having a cis-type polyene structure with long wavelength ultraviolet light, it is possible to prepare the corresponding antibiotic having a trans-type polyene structure in high yield in a simple manner. Such antibiotics having a trans-type polyene structure exhibit strong antimicrobial activities and are useful as drugs for humans or animals.


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