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:
Apr. 28, 1981
Filed:
Feb. 20, 1980
Applicant:
Inventors:
Nicholas S Bodor, Gainesville, FL (US);
Leslie A Freiberg, Waukegan, IL (US);
Assignee:
Abbott Laboratories, North Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536-9 ; 424180 ;
Abstract
Highly water-soluble erythromycin A derivatives wherein the desosamine moiety is quaternized with an acyloxy-, benzoyloxy- or alkoxycarbonyl-(or carboxy)-acylmethyl iodide, bromine or chloride and esterified in the 2-position with loweralkyl or --(CH.sub.2).sub.n CO.sub.2 R', wherein R' is H, loweralkyl or substituted loweralkyl and n is an integer from 1-5. These new esters readily convert to erythromycin A upon administration to warm-blooded animals.