Wai Keung Wong

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Wezembeek, BE

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Patents Grantslast 30 patents

Information Patent Grant
Pharmaceutical elastomeric articles
- Patent number 9,580,523
- Issue date Feb 28, 2017
- ExxonMobil Chemical Patents Inc.
- Wai K. Wong
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polymeric compositions including their uses and methods of production
- Patent number 7,781,530
- Issue date Aug 24, 2010
- ExxonMobil Chemical Patents Inc.
- Hsien-Chang Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Protective pipe and tank linings
- Patent number 7,338,688
- Issue date Mar 4, 2008
- ExxonMobil Chemical Patents Inc.
- Hsien-Chang Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Cured rubber components for use with pharmaceutical devices
- Patent number 7,282,269
- Issue date Oct 16, 2007
- ExxonMobil Chemical Patents Inc.
- Hsien-Chang Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transparent and colorable elastomeric compositions
- Patent number 6,624,220
- Issue date Sep 23, 2003
- ExxonMobil Chemical Patents Inc.
- Walter H Waddell
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Pharmaceutical Elastomeric Articles
- Publication number 20130203865
- Publication date Aug 8, 2013
- Wai K. Wong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymeric compositions including their uses and methods of production
- Publication number 20060183862
- Publication date Aug 17, 2006
- Hsien-Chang Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Protective pipe and tank linings
- Publication number 20040131814
- Publication date Jul 8, 2004
- Hsien-Chang Wang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for preparing silica filled elastomeric compositions
- Publication number 20040014869
- Publication date Jan 22, 2004
- Wai Keung Wong
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...