Patents by Inventor Seth A. Silverman

Seth A. Silverman 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).

  • Process for acidizing hot siliceous material
    Patent number: 4548732
    Abstract: The dissolving of siliceous material in an environment containing corrodable metal and having a temperature exceeding about 300.degree. F. is improved by using an aqueous solution containing an amount of ammonium fluoride equivalent to that in a 2-3 molar solution of hydrogen fluoride and enough weak acid and weak acid salt to provide a pH of near to but less than 7.
    Type: Grant
    Filed: April 18, 1984
    Date of Patent: October 22, 1985
    Assignee: Shell Oil Company
    Inventors: Ronald F. Scheuerman, Seth A. Silverman