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:
Nov. 10, 1981
Filed:
Mar. 24, 1980
Applicant:
Inventors:
Marco Falciani, Milan, IT;
Renato Broggi, Milan, IT;
Assignee:
Dobfar S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
544 30 ; 424246 ;
Abstract
Process for preparing cephalexine monohydrate and cephadroxyl monohydrate, according to which a reaction is carried out of a mixed anhydride prepared from a Dane salt of phenylglycine or p-hydroxyphenyl-glycine with a chloroformiate, with an aqueous solution of 7-ADCA in a solvent selected from the group comprising dimethyl sulphoxide, dimethylacetamide, formamide, dimethylformamide and dioxane.