Zhiqiang Song

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Memphis, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of water-soluble cross-linked cationic polymers
- Patent number 6,323,306
- Issue date Nov 27, 2001
- Ciba Specialty Chemicals Water Treatments Ltd.
- Zhiqiang Song
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aqueous two-part isocyanate-free curable, polyurethane resin systems
- Patent number 5,567,761
- Issue date Oct 22, 1996
- Guertin Bros. Coatings and Sealants Ltd.
- Zhiqiang Song
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...