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:
Jul. 15, 2014
Filed:
Feb. 03, 2010
Ludek Ridvan, Prague, CZ;
Petr Hruby, Prague, CZ;
Stanislav Radl, Kvetnice, CZ;
Hana Brusova, Prague, CZ;
Lukas Krejcik, Praha-Vinor, CZ;
Tomas Pekarek, Prague, CZ;
Natalia Csokova, Bratislava, SK;
Anna Zerzanova, Libis, CZ;
Ludek Ridvan, Prague, CZ;
Petr Hruby, Prague, CZ;
Stanislav Radl, Kvetnice, CZ;
Hana Brusova, Prague, CZ;
Lukas Krejcik, Praha-Vinor, CZ;
Tomas Pekarek, Prague, CZ;
Natalia Csokova, Bratislava, SK;
Anna Zerzanova, Libis, CZ;
Zentiva k.s., Prague, CZ;
Abstract
The invention deals with new salts of the desvenlafaxine base of formula (I) with oxalic acid, the new salts being the hydrogen oxalate of formula (II) in the proportion of desvenlafaxine:oxalic acid of 1:1 and hemioxalate of formula (III) in the proportion of desvenlafaxine:oxalic acid of 2:1.