Demin Wang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Betaine surfactants and preparation methods and uses thereof
- Patent number 9,540,559
- Issue date Jan 10, 2017
- PetroChina Company Limited
- Chunde Liu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
BETAINE SURFACTANTS AND PREPARATION METHODS AND USES THEREOF
- Publication number 20140113842
- Publication date Apr 24, 2014
- Petrochina Company Limited
- Chunde Liu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...