Patents by Inventor Thomas Richard Rolfes

Thomas Richard Rolfes 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).

  • Granular colored speckles
    Patent number: 4097418
    Abstract: A granular colored speckle is provided having non-staining qualities comprising a granular, water-soluble, hydratable, inorganic alkaline salt agglomerated with an anionic surfactant paste as the adhesive agent containing the coloring agent. The granular colored speckle is particularly useful in admixture with white or lightly colored detergent granules to provide a speckled composition.
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: June 27, 1978
    Assignee: The Procter & Gamble Company
    Inventor: Thomas Richard Rolfes