Wei-Zhong Zhang

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Patents Grantslast 30 patents

Information Patent Grant
Multilayers laminate serving as a good barrier against an oxygen ga...
- Patent number 5,728,467
- Issue date Mar 17, 1998
- Showa Denko K.K.
- Kazuyuki Watanabe
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of manufacturing water-based silicone-type graft copolymer e...
- Patent number 5,594,067
- Issue date Jan 14, 1997
- Showa Highpolymer Co., Ltd.
- Yukio Doi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Silicone copolymer emulsion
- Patent number 5,462,988
- Issue date Oct 31, 1995
- Showa Highpolymer Co., Ltd.
- Yukio Doi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...