Patents by Inventor Gerrit V. Gooswilligen

Gerrit V. Gooswilligen 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).

  • Patent number: 4749622
    Abstract: A composition which contains (a) 80 to 99% w of a bitumen component; (b) 1 to 20% w of an elastomer; (c) 1 to 60% w of a hydrocarbon resin which has been modified to contain carboxyl, carboxylic anhydride, hydroxyl and/or amino groups; and (d) 1 to 100% w of an inorganic filler, the weight percentages being based on the total weight of the bitumen component and elastomer, is suitable for coating structures and a process for applying the composition at elevated temperature onto a suitable structure.
    Type: Grant
    Filed: September 24, 1987
    Date of Patent: June 7, 1988
    Assignee: Shell Oil Company
    Inventors: Willem C. Vonk, Gerrit V. Gooswilligen