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. 17, 1976
Filed:
Mar. 08, 1973
Applicant:
Inventors:
Bertil Ake Ekstrom, Sodertalje, SW;
Berndt Olof Sjoberg, Sodertalje, SW;
Assignee:
Astra Lakemedel Aktiebolag, Sodertalje, SW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424271 ;
Abstract
New esters of .alpha.-aminopenicillins having the formula ##EQU1## wherein R is C.sub.2 -C.sub.7 alkyl; WHEREIN R.sup.2 = H or OH, R.sup.3 = H or halogen; ##SPC1## Wherein R.sup.1 is ##EQU2## or --Ch.sub.2 NHCOO--R.sup.4 wherein R.sup.4 = C.sub.1 -C.sub.4 alkyl; R.sup.5 = H, CH.sub.3 or C.sub.2 H.sub.5, useful as active ingredients of pharmaceutical preparation; processes for their preparation; chemical intermediates useful in said preparation; and methods for the treatment of infectious diseases.