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Taiwan Gwan Chian Industrial Co., Ltd.
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Taoyuan Hsien, TW
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Patents Grants
last 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-...