Patents by Inventor Robert W. Davison

Robert W. Davison 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).

  • Preparation of hydrophilic polyolefin fibers for use in papermaking
    Patent number: 4496427
    Abstract: Water-dispersible, uniformly hydrophilic polyolefin fibers are prepared by treatment of an aqueous suspension of spurted polyolefin fibers with an aqueous solution of a water-soluble ionized reagent capable of being converted into hydrated solid particles submicron in size to form a dispersion of said fibers and then adding to the dispersion an ionic precipitant for the ionized reagent. Representative of the ionized reagent and the ionic precipitant are the sodium salt of hydrogenated rosin and papermakers' alum, respectively.
    Type: Grant
    Filed: January 14, 1980
    Date of Patent: January 29, 1985
    Assignee: Hercules Incorporated
    Inventor: Robert W. Davison