Patents by Inventor Dennis B. Hill

Dennis B. Hill 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 strengthening long chain synthetic polymer fibers
    Patent number: 4540609
    Abstract: A method for strengthening long chain synthetic polymer fibers involves soaking a fibrous material in a treatment solution of potassium aluminum sulfate or ammonium aluminum sulfate, or both, in water. The treated material is immersed in a fixing solution containing a water soluble metallic carboxylate such as sodium or potassium stearate, and then rinsed with a nonreactive liquid.
    Type: Grant
    Filed: October 25, 1983
    Date of Patent: September 10, 1985
    Assignee: Hill & Dunn Networks, Inc.
    Inventor: Dennis B. Hill