Patents by Inventor Gert Tuin

Gert Tuin 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).

  • Paper size dispersions
    Patent number: 6183550
    Abstract: Aqueous paper size dispersions comprising: a) at least one paper sizing compound, and b) a water-soluble dispersant containing at least two hydrophilic groups and at least one hydrophobic group. Processes for sizing paper utilizing the aqueous paper size dispersions, and paper made by the processes.
    Type: Grant
    Filed: April 16, 1999
    Date of Patent: February 6, 2001
    Assignee: Hercules Incorporated
    Inventors: Herbert Conner, Tingdong Lin, Gert Tuin, Henrica G. M. van de Steeg