Inventor · disambiguated record
Hang-Chang Bobby Chen
Also filed as: CHEN HANG · CHEN HANG-CHANG B · CHEN HANG-CHANG BOBBY
13 granted patents·1 pending application·246 citations·filing 1991–2007
92Inventor score
Files withOCCIDENTAL CHEM CO9EMERALD AGROCHEMICALS COMPANY2CHEN HANG CHANG B1CONOPCO INC1CONOPCO INC DBA UNILEVER1
Top patents by PatentIndex Score
14 records- 0193US7439388B2Process for converting primary amidoalcohols to amidocarboxylic acids in high yield using water as solventCONOPCO INC·Filed 2007·Granted Oct 21, 2008·14 cites·12 claims
- 0292US5705728AProcess for the production of ethylene and mixture containing ethyleneOCCIDENTAL CHEM CO·Filed 1995·Granted Jan 6, 1998·70 cites·22 claims
- 0391US5446232ARemoving oxygen from hydrocarbon gasesOCCIDENTAL CHEM CO·Filed 1994·Granted Aug 29, 1995·60 cites·30 claims
- 0475US6429176B1Rapidly evaporating cleaning compositionsEMERALD AGROCHEMICALS COMPANY·Filed 2002·Granted Aug 6, 2002·9 cites·10 claims
- 0570US5756002ACleaning solvents containing benzotrifluoride and fluorinated compoundsOCCIDENTAL CHEM CO·Filed 1996·Granted May 26, 1998·28 cites·20 claims
- 0669US5744437ASingle phase liquid composition for cleaning and paint stripping and use thereofOCCIDENTAL CHEM CO·Filed 1996·Granted Apr 28, 1998·28 cites·21 claims
- 0767US6020299ASingle phase cleaning fluidOCCIDENTAL CHEM CO·Filed 1994·Granted Feb 1, 2000·10 cites·20 claims
- 0861US6222079B1Method of increasing certain isomeric ratios in chlorinating substituted benzenesOCCIDENTAL CHEM CO·Filed 1999·Granted Apr 24, 2001·9 cites·20 claims
- 0957US6855211B2Rapidly evaporating cleaning compositionsEMERALD AGROCHEMICALS COMPANY·Filed 2002·Granted Feb 15, 2005·2 cites·14 claims
- 1047US2008005850A1Process for de-coloring residue from personal wash or cosmetic compositions comprising dye with azo bond using reducing agents as de-coloring agentsCONOPCO INC DBA UNILEVER·Filed 2006·Application pending·0 cites
- 1134US6005139AProcess for making alkoxy estersOCCIDENTAL CHEM CO·Filed 1998·Granted Dec 21, 1999·1 cites·20 claims
- 1234US5851435ACleaning composition containing benzotrifluorideOCCIDENTAL CHEM CO·Filed 1996·Granted Dec 22, 1998·3 cites·20 claims
- 1333US6156945AMethod of making high purity 2,4- and 3,4-dichlorotolueneOCCIDENTAL CHEM CO·Filed 1999·Granted Dec 5, 2000·1 cites·20 claims
- 1430US5113028AProcess for mixing ethane and chlorine gasesCHEN HANG CHANG B·Filed 1991·Granted May 12, 1992·11 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →