Inventor
MA QINGGAO
US14 patents
⚠️ This page may combine multiple inventors who share the name “MA QINGGAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEMTURA CORP
8 patentsUS7569630B2Aug 4, 2009
β-Crystalline polypropylenes
CHEMTURA CORP30 citations91
US7553896B2Jun 30, 2009
Ortho-nitrosophenols as polymerization inhibitors
CHEMTURA CORP8 citations82
US7838703B2Nov 23, 2010
Diaromatic amine derivatives as antioxidants
CHEMTURA CORP7 citations68
US7585909B2Sep 8, 2009
β-crystalline polypropylenes
CHEMTURA CORP2 citations61
US7846884B2Dec 7, 2010
Lubricating oil compositions
CHEMTURA CORP1 citations50
US7608568B2Oct 27, 2009
Tetraaromatic diamine compounds as antioxidants
CHEMTURA CORP1 citations50
US7847125B2Dec 7, 2010
Acridan derivatives as antioxidants
CHEMTURA CORP1 citations47
US7572849B2Aug 11, 2009
Urea phenyl derivatives and their use as polypropylene nucleating agents
CHEMTURA CORP0 citations44