Patents by Inventor Alfred Berghausen, III

Alfred Berghausen, III 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).

  • Nontoxic general purpose liquid cleaning compositions
    Patent number: 4152305
    Abstract: This invention relates to liquid cleaning compositions and more particularly, to compositions that have a low pH, i.e., about 9.5 or below, and which consist essentially of, on a weight basis, about 3-10% surfactant, 1-3% isopropyl alcohol, 1-3% citric acid, 0.5 to 1.6% sodium tetraborate, 0.02 to 1.2% anhydrous sodium hydroxide, 0 to 1.0% anhydrous ammonium hydroxide and 84 to 95% water.
    Type: Grant
    Filed: June 20, 1974
    Date of Patent: May 1, 1979
    Assignee: Safe-Tech, Inc.
    Inventor: Alfred Berghausen, III
  • Recovery method for polyester still bottoms
    Patent number: 4013519
    Abstract: A recovery method by means of which an antimony compound is separated from polyester still bottoms. If desired, the method can be employed so as to recover in usable form, the antimony compound, and the monomers polymerized to produce the polyester.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: March 22, 1977
    Assignee: Safetech, Inc.
    Inventors: Bruce Noel Hoppert, Alfred Berghausen, III