Guohua Yuan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
System and process for melamine production by gas-phase quenching m...
- Patent number 9,114,371
- Issue date Aug 25, 2015
- BEIJING EDGEIN TECHNOLOGY CO., LTD.
- Yin Tang
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND PROCESS FOR MELAMINE PRODUCTION BY GAS-PHASE QUENCHING M...
- Publication number 20130324720
- Publication date Dec 5, 2013
- SICHUAN GOLDEN-ELEPHANT SINCERITY CHEMICAL CO.,LTD
- Yin Tang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL