Inventor

LI DAFENG

CN2 patents

⚠️ This page may combine multiple inventors who share the name “LI DAFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

COVAL BIOPHARMA SHANGHAI CO LTD

1 patent

US12290519B2May 6, 2025

Anti-inflammatory coupling compound drug, and preparation method therefor and use thereof

COVAL BIOPHARMA SHANGHAI CO LTD0 citations52

PHARMARESOURCES SHANGHAI CO LTD

1 patent

US10611739B2Apr 7, 2020

Process for preparation of lactone derivatives and intermediates thereof

PHARMARESOURCES SHANGHAI CO LTD0 citations35