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:
Mar. 13, 1990
Filed:
Feb. 08, 1988
Germain Costerousse, Saint-Maurice, FR;
Solange Gouin d'Ambrieres, Paris, FR;
Jean-Georges Teutsch, Pantin, FR;
Other;
Abstract
1-dethia-2-thia-cephalosporanic acids of the formula ##STR1## wherein R is selected from the group consisting of ##STR2## R.sub.b --NH--and ##STR3## R.sub.a is an organic radical R.sub.i and R.sub.j are individually selected from the group consisting of hydrogen, aliphatic, aromatic and heterocycle or taken together with the nitrogen atom form an optionally substituted heterocycle, R.sub.b is optionally substituted carbocyclic or heterocyclic aryl, R.sub.1B is --[CH.dbd.CH].sub.n1 --CH.sub.2 --S--R.sub.m, n.sub.1 is 0, 1 or 2, Rm is an unsaturated radical including a positively charged and doubly bonded nitrogen atom and bonded to the sulfur atom through a carbon atom, R.sub.4 is hydrogen or methoxy, n.sub.2 is 0, 1 or 2 and A is selected from the group consisting of hydrogen, alkali metal ion, or alkaline earth metal ion, magnesium ion, ammonium ion, an organic amine base and an ester group or --COOA is --COO.sup.- and their non-toxic, pharmaceutically acceptable acid addition salts, having antibiotic activity.