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. 25, 1989
Filed:
Dec. 23, 1985
Applicant:
Inventors:
Alan K Mallams, West Orange, NJ (US);
Randall R Rossman, Nutley, NJ (US);
Assignee:
Schering Corporation, Kenilworth, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 71 ; 536124 ;
Abstract
There are disclosed novel di- and tri-O-acetyl-23-O-demycinosyl-4'-O-iso-valeryltylosins and the pharmaceutically acceptable salts thereof, which have improved activity as antibacterials and provide higher blood levels than other tylosin derived compounds. These compounds have the following structural formula ##STR1## wherein R is acetyl or hydrogen and z is for example O or ##STR2##