Patents by Inventor Kok-Far Lee

Kok-Far Lee 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 the production of aqueous binder latices
    Patent number: 7825173
    Abstract: A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps: 1) free-radical polymerization of a mixture A of olefinically unsaturated, free-radically polymerizable monomers, comprising at least one monomer with at least one acid group in a proportion corresponding to an acid value of mixture A of 10 to 100 mg of KOH/g and 0.5 to 5 wt.
    Type: Grant
    Filed: November 15, 2005
    Date of Patent: November 2, 2010
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Tonnie Willems, Matthieu Barrere, Kok-Far Lee, Frank Tessari, Stefan Wiggershaus, Paul P. Bruylants, Eric C. Houze
  • Process for the production of aqueous binder latices
    Publication number: 20060247357
    Abstract: A process for the production of aqueous binder latices by multistage emulsion polymerization in the aqueous phase, comprising the successive steps: 1) free-radical polymerization of a mixture A of olefinically unsaturated, free-radically polymerizable monomers, comprising at least one monomer with at least one acid group in a proportion corresponding to an acid value of mixture A of 10 to 100 mg of KOH/g and 0.5 to 5 wt.
    Type: Application
    Filed: November 15, 2005
    Publication date: November 2, 2006
    Inventors: Tonnie Willems, Matthieu Barrere, Kok-Far Lee, Frank Tessari, Stefan Wiggerhaus, Paul Bruylants, Eric Houze