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. 07, 1984
Filed:
Jan. 23, 1981
Karl Heusler, Basel, CH;
Hans Bickel, Binningen, CH;
Bruno Fechtig, Reinach, CH;
Heinrich Peter, Riehen, CH;
Riccardo Scartazzini, Allschwil, CH;
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The invention concerns 7-amino-ceph-3-em-4-carboxylic acid compounds of the formula ##STR1## wherein R.sub.1.sup.a represents hydrogen or an amino protective group R.sub.1.sup.A and R.sub.1.sup.b represent hydrogen or an acyl group Ac, or R.sub.1.sup.A and R.sub.1.sup.b together denote a bivalent amino protective group, and R.sub.2 represents hydrogen or an organic radical R.sub.2.sup.A which together with the --C(.dbd.O)--O-- grouping forms a protected carboxyl group, or salts such compounds which possess salt-forming groups; these compounds have antibiotic properties.