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:
May. 06, 1980
Filed:
Mar. 09, 1978
Dieter Bormann, Kelkheim, DE;
Bernd Knabe, Kelkheim, DE;
Elmar Schrinner, Wiesbaden, DE;
Manfred Worm, Wiesbaden, DE;
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
Cephem derivatives of the formula ##STR1## in which R.sup.1 denotes hydrogen or low-molecular alkoxy, R.sup.2 denotes hydrogen, optionally substituted alkyl, phthalide or a cation, X denotes sulfur, oxygen or CH.sub.2 and A denotes hydrogen, alkoxy, halogen or a group --CH.sub.2 Y, in which Y represents hydrogen, acyloxy, alkoxy, optionally substituted carbamoyloxy or a group --SR.sup.3, in which R.sup.3 can represent acyl, alkyl or an optionally substituted 5-membered or 6-membered heterocyclic structure are disclosed as valuable antibiotics which are well suited for combating Gram-positive and in particular Gram-negative infections and also have an unexpectedly good action against penicillinase-forming staphylococci.