Patents Assigned to Marcel Sciarone
  • Regeneration of spent fixer solution
    Patent number: 5958657
    Abstract: A process for regenerating spent fixer solution which includes the steps of adding finely particulate zinc, such as zinc dust, to the solution to cause silver dissolved therein to precipitate and removing the precipitate from the solution hereby producing a regenerated fixer solution.
    Type: Grant
    Filed: February 9, 1999
    Date of Patent: September 28, 1999
    Assignee: Marcel Sciarone
    Inventor: Jakob Van Rouendal Smit