Shuhua Zhang

Follow

Person

Shanghai, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Method and system for extracting long chain dicarboxylic acid
- Patent number 11,999,689
- Issue date Jun 4, 2024
- CATHAY BIOTECH INC.
- Chen Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and system for extracting long chain dicarboxylic acid
- Patent number 11,806,670
- Issue date Nov 7, 2023
- CATHAY BIOTECH INC.
- Chen Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for extracting long chain dicarboxylic acid
- Patent number 11,229,881
- Issue date Jan 25, 2022
- CATHAY BIOTECH INC.
- Chen Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ORGANOPOLYSILOXANE
- Publication number 20220340713
- Publication date Oct 27, 2022
- Dow Silicones Corporation
- Peng LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
- Publication number 20220105469
- Publication date Apr 7, 2022
- Cathay Biotech Inc.
- Chen Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
- Publication number 20220106249
- Publication date Apr 7, 2022
- Cathay Biotech Inc.
- Chen Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND SYSTEM FOR EXTRACTING LONG CHAIN DICARBOXYLIC ACID
- Publication number 20210187443
- Publication date Jun 24, 2021
- Cathay Biotech Inc.
- Chen Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL