Patents by Inventor Wilhelmina Ruiter

Wilhelmina Ruiter 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).

  • Publication number: 20070105987
    Abstract: The present invention relates to an essential colourless binder composition comprising a naphthenic oil having a total content of naphthenics of 35%-80% by weight, based on the total weight of the naphthenic oil, and a petroleum or synthetic hydrocarbon resin, wherein the ratio of the naphthenic oil and the petroleum or synthetic hydrocarbon resin is between 10:90 to 90:10. The essential colourless binder composition is suitable for use in coloured asphalt compositions and emulsions.
    Type: Application
    Filed: November 3, 2006
    Publication date: May 10, 2007
    Inventors: Wilhelmina Ruiter, Bert Lommerts