Patents/Inventors

Bi Shi

ChengduCN4 patents

5 Patents

US122640942025
Method for Chromium Removal from Post-tanning Wastewater
SICHUAN UNIVERSITY
0 cites
US121295242024
Chrome-free Tanning Process of Ecological Leather
SICHUAN UNIVERSITY
0 cites
US118347242023
Light-colored Polycarboxylated Polysaccharide Tanning Agent, and Preparation Method and Use Thereof
SICHUAN UNIVERSITY
0 cites
US117393902023
Tanning Agent-free Leather Making Method
SICHUAN UNIVERSITY
0 cites
US116740072023
Modified Collagen Fiber, and Preparation Method and Application
SICHUAN UNIVERSITY
0 cites