Inventor
QIAN JOHN
US5 patents
⚠️ This page may combine multiple inventors who share the name “QIAN JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GREAT LAKES CHEMICAL CORP
4 patentsUS7335805B2Feb 26, 2008
Processes for purifying reaction products and processes for separating chlorofluorinated compounds
GREAT LAKES CHEMICAL CORP5 citations70
US7332635B2Feb 19, 2008
Processes for purifying chlorofluorinated compounds
GREAT LAKES CHEMICAL CORP1 citations59
US7348461B2Mar 25, 2008
Processes for halogenating compounds
GREAT LAKES CHEMICAL CORP0 citations49
US7151197B2Dec 19, 2006
Processes for purifying chlorofluorinated compounds and processes for purifying CF3CFHCF3
GREAT LAKES CHEMICAL CORP0 citations49