Patents by Inventor Natalia Csokova

Natalia Csokova has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Salts of desvenlafaxine and a method of their preparation
    Patent number: 8779005
    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.
    Type: Grant
    Filed: February 3, 2010
    Date of Patent: July 15, 2014
    Assignee: Zentiva k.s.
    Inventors: Ludek Ridvan, Petr Hruby, Stanislav Radl, Hana Brusova, Lukas Krejcik, Tomas Pekarek, Natalia Csokova, Anna Zerzanova
  • NEW SALTS OF DESVENLAFAXINE AND A METHOD OF THEIR PREPARATION
    Publication number: 20120041227
    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.
    Type: Application
    Filed: February 3, 2010
    Publication date: February 16, 2012
    Inventors: Ludek Ridvan, Petr Hruby, Stanislav Radl, Hana Brusova, Lukas Krejcik, Tomas Pekarek, Natalia Csokova, Anna Zerzanova