Patents by Inventor Gooitsen Roest

Gooitsen Roest 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).

  • Particulate coloring composition made by prilling
    Patent number: 4484952
    Abstract: Coloring composition in finely divided form, obtained by mixing a meltable organic carrier with a pigment and finely dividing the composition. The organic carrier consists of a mono or tetra ester of pentaerythritol and stearic acid, stearylamide, ethylene bisstearylamide or hydrogenated castor oil.For adjusting the melting range and the viscosity of the composition, metal soaps, waxes or phthalic acid esters may be added.
    Type: Grant
    Filed: August 3, 1983
    Date of Patent: November 27, 1984
    Assignee: Holland Colours Apeldoorn B.V.
    Inventors: Richard F. T. Bes, Jan D. Knol, Gooitsen Roest