TREA

Chenguang LI

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  • Monroeville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Alignment facilities for optical dyes
    • Patent number 8,828,507
    • Issue date Sep 9, 2014
    • Transitions Optical, Inc.
    • Meng He
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mesogenic stabilizers
    • Patent number 8,623,238
    • Issue date Jan 7, 2014
    • Transitions Optical, Inc.
    • Ruisong Xu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mesogenic stabilizers
    • Patent number 8,613,868
    • Issue date Dec 24, 2013
    • Transitions Optical, Inc.
    • Xiao-Man Dai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Polarizing photochromic articles
    • Patent number 8,582,192
    • Issue date Nov 12, 2013
    • Transitions Optical, Inc.
    • Anil Kumar
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polarizing photochromic articles
    • Patent number 8,545,015
    • Issue date Oct 1, 2013
    • Transitions Optical, Inc.
    • Anil Kumar
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Mesogenic stabilizers
    • Patent number 8,431,039
    • Issue date Apr 30, 2013
    • Transitions Optical, Inc.
    • Xiao-Man Dai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Mesogenic stabilizers
    • Patent number 8,349,210
    • Issue date Jan 8, 2013
    • Transitions Optical, Inc.
    • Ruisong Xu
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Alignment facilities for optical dyes
    • Patent number 8,003,005
    • Issue date Aug 23, 2011
    • Transitions Optical, Inc.
    • Meng He
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    POLARIZING PHOTOCHROMIC ARTICLES
    • Publication number 20120120473
    • Publication date May 17, 2012
    • TRANSITIONS OPTICAL, INC.
    • Anil Kumar
    • G02 - OPTICS
  • Information Patent Application

    MESOGENIC STABILIZERS
    • Publication number 20120027960
    • Publication date Feb 2, 2012
    • TRANSITIONS OPTICAL, INC.
    • Ruisong XU
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    MESOGENIC STABILIZERS
    • Publication number 20120021144
    • Publication date Jan 26, 2012
    • TRANSITIONS OPTICAL, INC.
    • Xiao-Man DAI
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    MESOGENIC STABILIZERS
    • Publication number 20120003401
    • Publication date Jan 5, 2012
    • TRANSITIONS OPTICAL, INC.
    • Ruisong XU
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    MESOGENIC STABILIZERS
    • Publication number 20120002141
    • Publication date Jan 5, 2012
    • TRANSITIONS OPTICAL, INC.
    • Xiao-Man Dai
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    POLARIZING PHOTOCHROMIC ARTICLES
    • Publication number 20110279883
    • Publication date Nov 17, 2011
    • TRANSITIONS OPTICAL, INC.
    • Anil Kumar
    • G02 - OPTICS
  • Information Patent Application

    ALIGNMENT FACILITIES FOR OPTICAL DYES
    • Publication number 20110128457
    • Publication date Jun 2, 2011
    • TRANSITIONS OPTICAL, INC.
    • Meng He
    • G02 - OPTICS
  • Information Patent Application

    FORMULATIONS COMPRISING MESOGEN CONTAINING COMPOUNDS
    • Publication number 20100014010
    • Publication date Jan 21, 2010
    • TRANSITIONS OPTICAL, INC.
    • Meng He
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Application

    ALIGNMENT FACILITIES FOR OPTICAL DYES
    • Publication number 20090146104
    • Publication date Jun 11, 2009
    • TRANSITIONS OPTICAL, INC.
    • Meng He
    • G02 - OPTICS