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:
Dec. 20, 1994
Filed:
May. 27, 1993
Zoltan Konyari, Debrecen, HU;
Vilmos Keri, Debrecen, HU;
Antal Kovacs, Debrecen, HU;
Sandor Horkay, Debrecen, HU;
Laszlo Eszenyi, Debrecen, HU;
Janos Erdelyi, Debrecen, HU;
Ilona Himesi, Debrecen, HU;
Gyorgy Toth, Nyiregyhaza, HU;
Janos Balint, Debrecen, HU;
SzilaJudit, Debrecen, HU;
Ferenc Vinczi, Debrecen, HU;
Csaba Szabo, Debrecen, HU;
Nelli Sas, Debrecen, HU;
Biogal Gyogyszergyar Rt., Debrecenn, HU;
Abstract
A process for the preparation of high-purity deferoxamine salts from filtered fermentation liquors containing deferoxamine B as active ingredient by the adsorption of the active ingredient onto an ion exchange resin and the subsequent dissolution and purification thereof, which comprises carrying out the separation of the deferoxamine salt subsequent to the concentration of the eluate by salting out from an aqueous solution or from a mixture of water and an organic solvent and purifying it by repeated salting out and/or by methods known per se, and optionally