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Chengdu, CN
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Patents Grants
last 30 patents
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
Tanning agent-free leather making method
Patent number
11,739,390
Issue date
Aug 29, 2023
Sichuan University
Xin Huang
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 Applications
last 30 patents
Information
Patent Application
TANNING AGENT-FREE LEATHER MAKING METHOD
Publication number
20220411887
Publication date
Dec 29, 2022
Sichuan University
Xin HUANG
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