Inventor
SHI BI
CN6 patents
⚠️ This page may combine multiple inventors who share the name “SHI BI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNIV SICHUAN
5 patentsUS11739390B2Aug 29, 2023
Tanning agent-free leather making method
UNIV SICHUAN0 citations58
US12129524B2Oct 29, 2024
Chrome-free tanning process of ecological leather
UNIV SICHUAN0 citations57
US12264094B2Apr 1, 2025
Method for chromium removal from post-tanning wastewater
UNIV SICHUAN0 citations55
US11674007B2Jun 13, 2023
Modified collagen fiber, and preparation method and application
UNIV SICHUAN0 citations51
US11834724B2Dec 5, 2023
Light-colored polycarboxylated polysaccharide tanning agent, and preparation method and use thereof
UNIV SICHUAN0 citations44