Huiquan Li

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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
Information Patent Grant
Method for production of alkali metal chromates
- Patent number 7,968,066
- Issue date Jun 28, 2011
- Institute of Process Engineering Chinese Academy of Sciences
- Zuohu Li
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
EXTRACTION COLUMN FOR METAL SEPARATION IN ACID LEACHING SOLUTION OF...
- Publication number 20250003024
- Publication date Jan 2, 2025
- INSTITUTE OF PROCESS ENGINEERING CHINESE ACADEMY OF SCIENCES
- Huiquan LI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
HYDROGENATION CATALYST, PREPARATION METHOD THEREFOR AND USE THEREOF
- Publication number 20240299923
- Publication date Sep 12, 2024
- INSTITUTE OF PROCESS ENGINEERING, CHINESE ACADEMY OF SCIENCES
- Liguo WANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Information Patent Application
Method for production of alkali metal chromates
- Publication number 20060188419
- Publication date Aug 24, 2006
- Zhikuan Wang
- C01 - INORGANIC CHEMISTRY