Patents by Inventor Scott Vance Brayton

Scott Vance Brayton 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).

  • Device for chloride ion removal prior to chemical oxygen demand analysis
    Patent number: 5932174
    Abstract: A method of pretreating aqueous chemical oxygen demand (COD) samples to remove the risk of potential chloride ion interference. The method comprises acidifying an aqueous COD test sample, and thereafter passing the acidified sample through a source of pentavalent bismuth (Bi.sup.5+) such as sodium bismuthate.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: August 3, 1999
    Assignee: Hach Company
    Inventors: Scott Vance Brayton, Donald Gene Miller
  • Device for chloride ion removal prior to chemical oxygen demand analysis
    Patent number: 5667754
    Abstract: A method of pretreating aqueous chemical oxygen demand (COD) samples to remove the risk of potential chloride ion interference. The method comprises acidifying an aqueous COD test sample, and thereafter passing the acidified sample through a source of pentavalent bismuth (Bi.sup.5+) such as sodium bismuthate.
    Type: Grant
    Filed: September 25, 1995
    Date of Patent: September 16, 1997
    Assignee: Hach Company
    Inventors: Scott Vance Brayton, Donald Gene Miller