Jiaqiang Chen

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing polymethylene polyphenyl polycarbamate
- Patent number 9,062,161
- Issue date Jun 23, 2015
- Institute of Process Engineering, Chinese Academy of Sciences
- Huiquan Li
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD FOR DIPHENYLMETHANE DIISOCYANATE
- Publication number 20220281808
- Publication date Sep 8, 2022
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Huiquan Li
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING POLYMETHYLENE POLYPHENYL POLYCARBAMATE
- Publication number 20140316100
- Publication date Oct 23, 2014
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Huiquan Li
- C07 - ORGANIC CHEMISTRY