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:
Feb. 04, 1986
Filed:
Mar. 28, 1984
Applicant:
Inventors:
Ernesto Oppici, Milan, IT;
Onorino G Rosa, San Raffaela Cimema, IT;
Carlo Varesio, Turin, IT;
Giovanni Lazzari, Settimo Torinese, IT;
Danillo Fabris, Settimo Torinese, IT;
Assignee:
Farmitalia Carlo Erba S.p.A., Milano, IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536-75 ; 536-71 ; 536 169 ;
Abstract
Disclosed is a process for purifying Tylosin by selective adsorption of the fermentation broth previously brought to 7.5-10.0 pH on polymeric resins and by subsequent deadsorption of the purified product with a aqueous-alcoholic or aqueous-acetonic solution and further purification of the eluate by filtration through macroreticular weak anion resins.