Zhengao Lv

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Yantai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heater, use thereof and method for preparing isocyanate using heater
- Patent number 10,645,756
- Issue date May 5, 2020
- Wanhua Chemical Group Co., Ltd.
- Yong Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Heater, Use Thereof And Method For Preparing Isocyanate Using Heater
- Publication number 20170164424
- Publication date Jun 8, 2017
- WANHUA CHEMICAL GROUP CO., LTD.
- Yong Yu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR