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:
Jul. 26, 1977
Filed:
Nov. 11, 1975
Applicant:
Inventors:
Tiberio Bruzzese, Milan, IT;
Rodolfo Ferrari, Milan, IT;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H61K / ;
U.S. Cl.
CPC ...
424117 ; 424115 ; 424120 ; 424122 ;
Abstract
The present invention provides a process for the preparation of alkyl esters of polyene antibiotics, wherein a polyene antibiotic is reacted with a diazoalkane in the presence of a basic substance. The present invention also provides, as new materials, alkyl esters of polyene antibiotics in which the alkyl radical of the ester grouping contains 2 or more carbon atoms.