Patents by Inventor Christian Bindschaedler

Christian Bindschaedler 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 a powder of water-insoluble polymer which can be redispersed in a liquid phase, the resulting powder and utilization thereof
    Patent number: 4968350
    Abstract: The process for preparing a redispersible powder of a water-insoluble polymer by a producing a gel of a water-soluble macromolecular substance and water. Then a second solution is prepared by mixing a single organic solvent which is partially miscible with water and a water-insoluble polymer. These two solutions are emulsified and then water is added to diffuse the solvent to form microparticles in suspension. The particles are collected by a conventional method.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: November 6, 1990
    Inventors: Christian Bindschaedler, Robert Gurny, Eric Doelker