Patents by Inventor Harley D. Swanson

Harley D. Swanson 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).

  • Depilating composition and method
    Patent number: 4581148
    Abstract: A hair removing composition for use on carcasses, skins, hides, and pelts, containing preselected proportions of alkali, buffering agents, surface active agents, foaming agents, and stabilizers in combination with preselected thioglycolates.
    Type: Grant
    Filed: August 24, 1984
    Date of Patent: April 8, 1986
    Assignee: Birko Corporation
    Inventors: Harley D. Swanson, Terry L. McAninch, J. Keith Conner
  • Depilating composition and method
    Patent number: 4548608
    Abstract: A composition for removing hair from full hair whole carcasses, skins, hides and pelts comprising:______________________________________ Approx. Wt. (%) ______________________________________ Water 78.00-94.00 Sodium Hydroxide 2.00-6.00 Sodium Gluconate 0.10-0.50 Trisodium Phosphate 1.00-3.00 Triethanolamine Lauryl Sulfate 0.50-2.00 Cocodiethanolamide 0.05-0.10 Sodium Metasilicate 0.50-0.20 Sodium Thioglycolate 0.45-5.00 Triethonolamine Dodecyl Benzene 0.50-1.50 Sulfonate Calcium Hydroxide 1.00-4.
    Type: Grant
    Filed: March 20, 1984
    Date of Patent: October 22, 1985
    Assignee: Birko Corporation
    Inventors: Harley D. Swanson, Terry L. McAninch, J. Keith Conner