Inventor
LI CHUNFANG
CN4 patents
⚠️ This page may combine multiple inventors who share the name “LI CHUNFANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHINA PETROLEUM & CHEM CORP
3 patentsUS11649406B2May 16, 2023
Method and system for separating light hydrocarbons
CHINA PETROLEUM & CHEM CORP0 citations48
US12570908B2Mar 10, 2026
Method for selective hydrogenation of butadiene extraction tail gas and selective hydrogenation apparatus thereof
CHINA PETROLEUM & CHEM CORP0 citations45
US12110460B2Oct 8, 2024
Method and apparatus for recovering C2—C4 components in methane-containing industrial gas
CHINA PETROLEUM & CHEM CORP0 citations44