Yanyan Zheng

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing polyoxymethylene dimethyl ethers
- Patent number 9,266,990
- Issue date Feb 23, 2016
- SHANDONG YUHUANG CHEMICAL CO., LTD.
- Jinfu Wang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Method for Producing Polyoxymethylene Dimethyl Ethers
- Publication number 20150291722
- Publication date Oct 15, 2015
- Shandong Yuhuang Chemical Co., Ltd.
- Jinfu Wang
- C07 - ORGANIC CHEMISTRY