Patents by Inventor Khiet T. Pham

Khiet T. Pham 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).

  • Process for preparing divinylarene dioxides
    Patent number: 8674122
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one peroxycarboximidic acid; (c) at least one solvent; and (d) at least one basic compound, under conditions to form a reaction mixture containing a divinylarene dioxide product; and then separating the divinylarene dioxide product from the other reaction mixture components to obtain a purified divinylarene dioxide product.
    Type: Grant
    Filed: December 17, 2010
    Date of Patent: March 18, 2014
    Assignee: Dow Global Technologies LLC
    Inventors: Eric B. Ripplinger, David Jean, David L. Burow, Khiet T. Pham, Gyongyi Gulyas, Bruce D. Hook
  • PROCESS FOR PREPARING DIVINYLARENE DIOXIDES
    Publication number: 20130123521
    Abstract: A process for preparing a divinylarene dioxide including (a) reacting at least one divinylarene with hypochlorous acid to form a chlorohydrin; and (b) treating the chlorohydrin formed in step (a) with at least one base, under conditions to form a divinylarene dioxide product.
    Type: Application
    Filed: March 4, 2011
    Publication date: May 16, 2013
    Inventors: Eric B. Ripplinger, David L. Jean, David L. Burow, Khiet T. Pham, Maurice J. Marks, Gyongyi Gulyas
  • PROCESS FOR PREPARING DIVINYLARENE DIOXIDES
    Publication number: 20120253055
    Abstract: A process for preparing a divinylarene dioxide including reacting (a) at least one divinylarene; (b) at least one peroxycarboximidic acid; (c) at least one solvent; and (d) at least one basic compound, under conditions to form a reaction mixture containing a divinylarene dioxide product; and then separating the divinylarene dioxide product from the other reaction mixture components to obtain a purified divinylarene dioxide product.
    Type: Application
    Filed: December 17, 2010
    Publication date: October 4, 2012
    Inventors: Eric B. Ripplinger, David Jean, David L. Burow, Khiet T. Pham, Gyongyi Gulyas, Bruce D. Hook