Patents by Inventor Michael Golben

Michael Golben 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).

  • Silver recovery cartridge for used fixer of neutral or higher pH
    Patent number: 4227681
    Abstract: A method and article for substantially preventing premature obstruction to flow in a canister of a silver recovery device comprising placing a porous pad at the inlet surface of the metallic filler of the canister.
    Type: Grant
    Filed: June 25, 1979
    Date of Patent: October 14, 1980
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Michael Golben
  • Oxidation inhibition of steel wool in silver recovery
    Patent number: 4110109
    Abstract: The addition of certain materials which inhibit corrosion and hydrogen embrittlement of iron to silver-rich solutions or to steel wool which is used to desilver such solutions reduces hydrogen ion attack on the iron in the cementation of silver.
    Type: Grant
    Filed: October 27, 1977
    Date of Patent: August 29, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Michael Golben