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. 19, 1977
Filed:
Dec. 11, 1975
Manfred Schorr, Frankfurt am Main, DT;
Elmar Schrinner, Wiesbaden, DT;
Wilfried Schmitt, Kelkheim, Taunus, DT;
Hoechst Aktiengesellschaft, Frankfurt am Main, DT;
Abstract
Acylaminopenicillanic acids of the general formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 represent hydrogen or lower alkyl which may be substituted, and in which the radicals R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 may form together an alkylene radical which may be substituted, R.sup.4 and R.sup.5 represent hydrogen or lower alkyl, R.sup.6 represents phenyl which may be substituted, a monocyclic aromatic heterocycle which may be substituted, or dihydrophenyl, A represents a benzene or thiophene ring which may be substituted, and X represents oxygen or a single bond, a process for preparing them and pharmaceutical compositions active against bacterial infections containing these compounds.