Patents by Inventor Olli L. Pinomaa

Olli L. Pinomaa 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).

  • Method for improving the strength of bitumen, asphalt or a similar material, and a composition obtained by the method
    Patent number: 5473000
    Abstract: The invention relates to a method for improving the properties of bitumen, asphalt, or a similar material by adding to it a thermoplastic or a thermoelastomer, the solubility and compatibility of the thermoplastic or thermoelastomer being improved by a third component, which is wood resin, turpentine resin, a derivative of these, tall oil, tall-oil pitch, or a constituent or mixture of these. The obtained composition of bitumen, asphalt or a similar material can be used as a binding agent in road pavement materials.
    Type: Grant
    Filed: November 18, 1992
    Date of Patent: December 5, 1995
    Assignee: O. Pinomaa Ky
    Inventor: Olli L. Pinomaa