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. 13, 1976
Filed:
Oct. 24, 1975
Applicant:
Inventor:
Jean Bouchaudon, Morsang-Sur-Orge, FR;
Assignee:
Rhone-Poulenc Industries, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2602391 ; 424271 ;
Abstract
Derivatives of penicillanic acid of formula: ##SPC1## In which R represents hydrogen or a radical of formula: ##EQU1## which is easily removable enzymatically, and in which R.sub.1 is hydrogen or straight or branched chain C.sub.1-4 alkyl, phenyl, or phenyl C.sub.1-2 alkyl and R.sub.2 is straight or branched chain C.sub.1-4 alkyl or alkoxy, cyclohexyl, phenyl or phenyl C.sub.1-2 alkyl, together with their pharmaceutically acceptable non-toxic metal salts or addition salts with nitrogen-containing bases, have particularly valuable anti-bacterial properties, especially against Gram-positive and Gram-negative bacteria.