Inventor · disambiguated record
John Qian
Also filed as: QIAN JOHN · QIAN JOHN C · QIAN JOHN CHENG-PING
8 granted patents·4 pending applications·105 citations·filing 1998–2007
85Inventor score
Top patents by PatentIndex Score
12 records- 0195US7094936B1Process for preparing halogenated alkanesGREAT LAKES CHEMICAL CORP·Filed 2003·Granted Aug 22, 2006·81 cites·13 claims
- 0281US6476281B2Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropanePCBU SERVICES INC·Filed 2001·Granted Nov 5, 2002·13 cites·27 claims
- 0375US7335805B2Processes for purifying reaction products and processes for separating chlorofluorinated compoundsGREAT LAKES CHEMICAL CORP·Filed 2003·Granted Feb 26, 2008·5 cites·10 claims
- 0458US7332635B2Processes for purifying chlorofluorinated compoundsGREAT LAKES CHEMICAL CORP·Filed 2003·Granted Feb 19, 2008·1 cites·7 claims
- 0557US2008154072A1Production Vessel MixturesGREAT LAKES CHEMICAL CORP·Filed 2007·Application pending·0 cites
- 0650US2006161029A1Production and purification processesOWENS STEPHEN·Filed 2005·Application pending·0 cites
- 0749US7151197B2Processes for purifying chlorofluorinated compounds and processes for purifying CF3CFHCF3GREAT LAKES CHEMICAL CORP·Filed 2003·Granted Dec 19, 2006·0 cites·8 claims
- 0848US7348461B2Processes for halogenating compoundsGREAT LAKES CHEMICAL CORP·Filed 2003·Granted Mar 25, 2008·0 cites·12 claims
- 0945US2005101810A1Processes for separating 1,1,1,3,3-pentafluoropropane from a mixture comprising 1,1,1,3,3-pentafluoropropane and 1-chloro-3,3,3-trifluoropropeneFiled 2004·Application pending·0 cites
- 1043US2003028057A1Methods and materials for the preparation and purification of halogenated hydrocarbonsFiled 2002·Application pending·0 cites
- 1140US6583328B1Method for the preparation of 1,1,1,3,3-pentafluoropropene and 1,1,1,3,3-pentafluoropropanePCBU SERVICES INC·Filed 1999·Granted Jun 24, 2003·5 cites·17 claims
- 1228US5962754AMethod for the preparation of 3-bromo-1,1,1-trifluoropropaneGREAT LAKES CHEMICAL CORP·Filed 1998·Granted Oct 5, 1999·0 cites·14 claims
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