Wai Ming Chan

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Tseung Kwan O, HK

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Patents Grantslast 30 patents

Information Patent Grant
Sealant composition
- Patent number 10,174,227
- Issue date Jan 8, 2019
- Top Alliance Technology Limited
- Koon Fung Lam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Sealant composition and method of preparing the same
- Patent number 9,260,642
- Issue date Feb 16, 2016
- Top Alliance Technology Limited
- Koon Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Sealant composition and method of making it
- Patent number 9,126,375
- Issue date Sep 8, 2015
- Top Alliance Technology Limited
- Koon Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Sealant Composition
- Publication number 20150166848
- Publication date Jun 18, 2015
- Top Alliance Technology Limited
- Koon Fung Lam
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Sealant Composition and Method of Preparing the Same
- Publication number 20150152302
- Publication date Jun 4, 2015
- Top Alliance Technology Limited
- Koon Fung Lam
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Tire Sealant and Preparation Method Thereof
- Publication number 20140221535
- Publication date Aug 7, 2014
- Top Alliance Technology Limited
- Wai Ming Chan
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Sealant Composition and Method of Making It
- Publication number 20120118199
- Publication date May 17, 2012
- Koon Fung Lam
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL