Gang Sun

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyurethane ballast layer, the method for preparing the same and t...
- Patent number 8,876,014
- Issue date Nov 4, 2014
- Bayer MaterialScience AG
- Chenxi Zhang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
A HYBRID RUNNING TRACK ARTICLE AND METHOD FOR PREPARING THE SAME
- Publication number 20230407131
- Publication date Dec 21, 2023
- DOW GLOBAL TECHNOLOGIES LLC
- Chao Zhang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
A ONE-COMPONENT TYPE POLYURETHANE PREPOLYMER COMPOSITION
- Publication number 20220403165
- Publication date Dec 22, 2022
- DOW GLOBAL TECHNOLOGIES LLC
- Cheng Shen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE BALLAST LAYER, THE METHOD FOR PREPARING THE SAME AND T...
- Publication number 20130140373
- Publication date Jun 6, 2013
- Bayer Intellectual Property GmbH
- Chenxi Zhang
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES