Jian Min Ren

Person

  • St. Laurent, CA

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for recovering silver from photographic solutions

    • Patent number 6,277,290
    • Issue date Aug 21, 2001
    • Metafix Inc.
    • Jian Min Ren
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Photographic liquids effluent discharge

    • Patent number 6,120,194
    • Issue date Sep 19, 2000
    • Metafix Inc.
    • Denis Brunelle
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Value metal recovery

    • Patent number 5,900,041
    • Issue date May 4, 1999
    • Metafix Inc.
    • John Riviere
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...