Inventor

ZENG YUNHANG

CN2 patents

Patents

2 patents

US12129524B2Oct 29, 2024

Chrome-free tanning process of ecological leather

UNIV SICHUAN0 citations57

US11834724B2Dec 5, 2023

Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof

UNIV SICHUAN0 citations44