TREA

Gordon Chen

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  • Suffolk, VA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Manufacture of paper and paper board
    • Patent number 7,364,641
    • Issue date Apr 29, 2008
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • Gordon Cheng Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Manufacture of paper and paperboard
    • Patent number 6,524,439
    • Issue date Feb 25, 2003
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • Gordon Cheng I Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Manufacture of paper and paperboard
    • Patent number 6,454,902
    • Issue date Sep 24, 2002
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • Gordon Cheng I Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Manufacture of paper and paperboard
    • Patent number 6,406,593
    • Issue date Jun 18, 2002
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • Michael Barry Heard
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Manufacture of paper and paperboard
    • Patent number 6,395,134
    • Issue date May 28, 2002
    • Ciba Specialty Chemicals Water Treatments Ltd.
    • Gordon Cheng I Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Manufacture of paper and paperboard
    • Patent number 6,391,156
    • Issue date May 21, 2002
    • AB CDM Vastra Frolunda
    • Bo Hjalmarson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Anionic water soluble polymer made by reverse phase emulsion polyme...
    • Patent number 6,310,157
    • Issue date Oct 30, 2001
    • CIBA Specialty Chemicals Water Treatment Limited
    • Michael Heard
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Processes of making paper
    • Patent number 5,958,188
    • Issue date Sep 28, 1999
    • Ciba Specialty Chemicals Water Treatments Limited
    • Michael Heard
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

  • Information Patent Application

    White pitch deposit treatment
    • Publication number 20050173088
    • Publication date Aug 11, 2005
    • Swindell Allen Grimsley
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Manufacture of paper and paper board
    • Publication number 20040149407
    • Publication date Aug 5, 2004
    • Gordon Cheng Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Manufacture of paper and paperboard
    • Publication number 20020195218
    • Publication date Dec 26, 2002
    • Gordon Cheng I Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Application

    Manufacture of paper and paperboard
    • Publication number 20020066540
    • Publication date Jun 6, 2002
    • Gordon Cheng I. Chen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE