Xi LI

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Hangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Refining process and refining system of caprolactam
- Patent number 11,459,302
- Issue date Oct 4, 2022
- ZHEJIANG HENGYI PETROCHEMICAL RESEARCH INSTITUTE CO., LTD.
- Shibiao Cheng
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
REFINING PROCESS AND REFINING SYSTEM OF CAPROLACTAM
- Publication number 20220089545
- Publication date Mar 24, 2022
- ZHEJIANG HENGLAN SCIENCE & TECHNOLOGY CO., LTD.
- Shibiao Cheng
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF CAPROLACTAM
- Publication number 20220064124
- Publication date Mar 3, 2022
- ZHEJIANG HENGLAN SCIENCE & TECHNOLOGY CO., LTD.
- Shibiao CHENG
- C07 - ORGANIC CHEMISTRY