Jianfei ZHOU

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Chengdu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for chromium removal from post-tanning wastewater
- Patent number 12,264,094
- Issue date Apr 1, 2025
- Sichuan University
- Jianfei Zhou
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Chrome-free tanning process of ecological leather
- Patent number 12,129,524
- Issue date Oct 29, 2024
- Sichuan University
- Yanan Wang
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Light-colored polycarboxylated polysaccharide tanning agent, and pr...
- Patent number 11,834,724
- Issue date Dec 5, 2023
- Sichuan University
- Yue Yu
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Modified collagen fiber, and preparation method and application
- Patent number 11,674,007
- Issue date Jun 13, 2023
- Sichuan University
- Shuangyang Li
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR CALCULATING CARBON FOOTPRINT OF LEATHER CHEMICAL MATERIAL
- Publication number 20250086529
- Publication date Mar 13, 2025
- Sichuan University
- Jianfei ZHOU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ACCOUNTING METHOD FOR CARBON FOOTPRINT OF LEATHER PRODUCT
- Publication number 20250078096
- Publication date Mar 6, 2025
- Sichuan University
- Chunhua WANG
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
CHROME-FREE TANNING PROCESS OF ECOLOGICAL LEATHER
- Publication number 20240263257
- Publication date Aug 8, 2024
- Sichuan University
- Yanan WANG
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Application
METHOD FOR CHROMIUM REMOVAL FROM POST-TANNING WASTEWATER
- Publication number 20220289610
- Publication date Sep 15, 2022
- Sichuan University
- Jianfei ZHOU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
MODIFIED COLLAGEN FIBER, AND PREPARATION METHOD AND APPLICATION
- Publication number 20220259389
- Publication date Aug 18, 2022
- Sichuan University
- Shuangyang LI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
LIGHT-COLORED POLYCARBOXYLATED POLYSACCHARIDE TANNING AGENT, AND PR...
- Publication number 20220251672
- Publication date Aug 11, 2022
- Sichuan University
- Yue YU
- C14 - SKINS HIDES PELTS LEATHER