Zongjin Li

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing aqueous polyacrylate modified polyurethane dis...
- Patent number 9,234,068
- Issue date Jan 12, 2016
- The Hong Kong University of Science and Technologhy
- Caideng Yuan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Acoustic attenuation materials
- Patent number 7,249,653
- Issue date Jul 31, 2007
- RSM Technologies Limited
- Ping Sheng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
Method for preparing aqueous polyacrylate modified polyurethane dis...
- Publication number 20090111934
- Publication date Apr 30, 2009
- Caideng Yuan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Acoustic attenuation materials
- Publication number 20050000751
- Publication date Jan 6, 2005
- RSM Technologies Limited
- Ping Sheng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Acoustic attenuation materials
- Publication number 20030062217
- Publication date Apr 3, 2003
- Ping Sheng
- G10 - MUSICAL INSTRUMENTS ACOUSTICS