Patents by Inventor John M. Jevec

John M. Jevec 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).

  • Wet oxidation method of treating chelate bearing waste solutions
    Patent number: 5632900
    Abstract: A method for treating a chelate bearing waste solution employs a two-step process which includes elevating the pH of the solution to a pH greater than 10 and precipitating the metal as the hydroxide out of solution, followed by treating the resultant solution with an oxidant to destroy any remaining free chelate.
    Type: Grant
    Filed: April 19, 1995
    Date of Patent: May 27, 1997
    Assignee: The Babcock & Wilcox Company
    Inventors: John M. Jevec, Carl J. Lenore
  • Nuclear steam generator chemical cleaning passivation solution
    Patent number: 5587025
    Abstract: A method for passivating the surfaces of a nuclear steam generator and a solution therefor includes EDTA and hydrogen peroxide in a temperature range of 37.degree. C. to 49.degree. C. The solution is adjusted to have a pH of between about 9.2 and 9.5 and used on the surfaces for two hours or more for passivating the surfaces.
    Type: Grant
    Filed: March 22, 1995
    Date of Patent: December 24, 1996
    Assignees: Framatome Technologies, Inc., The Babcock & Wilcox Company
    Inventors: John M. Jevec, Randall P. Dow