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Theresa Tsai

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  • Yangmei Chen, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Concrete admixture additive
    • Patent number 7,390,855
    • Issue date Jun 24, 2008
    • Taiwan Gwan Chian Industrial Co., Ltd.
    • Theresa Tsai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Concrete admixture additive
    • Patent number 7,312,291
    • Issue date Dec 25, 2007
    • Taiwan Gwan Chian Industrial Co., Ltd.
    • Theresa Tsai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

  • Information Patent Application

    Concrete admixture additive
    • Publication number 20080071040
    • Publication date Mar 20, 2008
    • Theresa Tsai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    Concrete admixture additive
    • Publication number 20050054796
    • Publication date Mar 10, 2005
    • Theresa Tsai
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...