Patents Assigned to R.O. Processing, Inc.
  • Process for removal of the catalytic coating material from spent, defective or unused metal support catalytic converters
    Patent number: 7740685
    Abstract: Process for recovering catalyst coating material from a supporting structure, such as, for example, a catalytic converter assembly having a metal mantle, including contacting the catalytic coating material with a sodium, potassium or ammonium hydroxide-containing compound at an elevated temperature; and rinsing with a liquid and filtering the solid catalyst coating material from the solution.
    Type: Grant
    Filed: April 4, 2005
    Date of Patent: June 22, 2010
    Assignee: R.O. Processing, Inc.
    Inventor: James Dennis Holgersen