TREA

Yiu Chung Cheng

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  • Amsterdam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for preparing a sulphur cement product
    • Patent number 9,017,472
    • Issue date Apr 28, 2015
    • Shell Oil Company
    • Paul de Boer
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Reinforced sulphur concrete
    • Patent number 8,753,444
    • Issue date Jun 17, 2014
    • Shell Oil Company
    • Juedu Austine
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    REINFORCED SULPHUR CONCRETE
    • Publication number 20130247795
    • Publication date Sep 26, 2013
    • Juedu Austine
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    PROCESS FOR PREPARING A SULPHUR CEMENT PRODUCT
    • Publication number 20120186493
    • Publication date Jul 26, 2012
    • Paul de Boer
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES