Patents by Inventor Harley E. Bush

Harley E. Bush 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).

  • Sulfite compositions, aqueous sulfite solutions and method of decreasing their rate of oxidation
    Patent number: 3971734
    Abstract: The invention provides compositions and aqueous solutions containing a sulfite compound chosen from alkali metal and ammonium sulfites and bisulfites and at least one water soluble stabilizing compound which is an organic phosphonate containing at least two phosphonic acid groups per molecule. Also provided is a method of reducing the oxidation rate of aqueous sulfite solutions caused by oxygen in the atmosphere and a method of decreasing the corrosiveness to ferrous metals of aqueous systems containing dissolved oxygen and at least one divalent cation derived from iron, cobalt, copper, manganese, and nickel.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: July 27, 1976
    Assignee: NL Industries, Inc.
    Inventor: Harley E. Bush