Patents by Inventor Rotheus Byram Porter

Rotheus Byram Porter 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 coating dispersions and process
    Patent number: 3985932
    Abstract: By providing a dispersion system which incorporates hard waxes having high molecular weights and a melting point greater than 180.degree.F., a unique paper coating additive is achieved. Preferably, the wax is powdered to a particle size less than 50 microns, and is dispersed in a system compatible with typical paper coating colors. In the preferred embodiments, high molecular weight Fischer-Tropsch waxes are employed.
    Type: Grant
    Filed: August 5, 1974
    Date of Patent: October 12, 1976
    Assignee: Moore and Munger
    Inventor: Rotheus Byram Porter