Patents by Inventor Faina Solomon-Tsvetkov

Faina Solomon-Tsvetkov 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).

  • Method For Purification And Modification Of Mineral Clays In Non-Aqueous Solvents
    Publication number: 20080242778
    Abstract: The present invention discloses a method for obtaining organoclay from crude mineral clay, an organoclay obtainable by this method, a method for incorporating organoclay into a polymeric matrix to obtain composites, and some composites obtainable by this method. The method for obtaining organoclay includes reacting crude mineral clay with quaternary ammonium or phosphonium salt in a non-aqueous solvent to obtain ion-exchanged organoclay suspended in this solvent and a solid residue; and separating out the solid residue. The solvent is then separated, preferably by evaporation or filtration.
    Type: Application
    Filed: July 26, 2005
    Publication date: October 2, 2008
    Inventors: Stephen Daren, Faina Solomon-Tsvetkov, Vladimir Melnikov, Michael Peled