Inventor · disambiguated record
Chung-Zong Wan
Also filed as: WAN CHUNG Z · WAN CHUNG-ZONG
28 granted patents·2 pending applications·1,970 citations·filing 1982–2017
98Inventor score
Top patents by PatentIndex Score
30 records- 0199US4714694AAluminum-stabilized ceria catalyst compositions, and methods of making the sameENGELHARD CORP·Filed 1986·Granted Dec 22, 1987·201 cites·52 claims
- 0298US5597771ALayered catalyst compositeENGELHARD CORP·Filed 1994·Granted Jan 28, 1997·314 cites·84 claims
- 0398US5057483ACatalyst composition containing segregated platinum and rhodium componentsENGELHARD CORP·Filed 1990·Granted Oct 15, 1991·252 cites·43 claims
- 0498US4727052ACatalyst compositions and methods of making the sameENGELHARD CORP·Filed 1986·Granted Feb 23, 1988·162 cites·58 claims
- 0597US5254519ACatalyst composition containing platinum and rhodium componentsENGELHARD CORP·Filed 1991·Granted Oct 19, 1993·143 cites·35 claims
- 0695US9321009B2Emissions treatment system with ammonia-generating and SCR catalystsBASF CORP·Filed 2013·Granted Apr 26, 2016·16 cites·27 claims
- 0795US7476417B2Method of manufacturing monolithic catalystsBASF CATALYSTS LLC·Filed 2007·Granted Jan 13, 2009·23 cites·21 claims
- 0895US4624940AHigh temperature catalyst compositions for internal combustion engineENGELHARD CORP·Filed 1985·Granted Nov 25, 1986·89 cites·14 claims
- 0993US4678770AThree-way catalyst for lean exhaust systemsENGELHARD CORP·Filed 1986·Granted Jul 7, 1987·80 cites·60 claims
- 1092US4738947AThree-way catalysts of improved efficiencyENGELHARD CORP·Filed 1985·Granted Apr 19, 1988·76 cites·17 claims
- 1191US9662611B2Emissions treatment system with ammonia-generating and SCR catalystsWAN CHUNG-ZONG·Filed 2010·Granted May 30, 2017·14 cites·9 claims
- 1291US8329607B2Layered diesel oxidation catalyst compositesKAZI M SHAHJAHAN·Filed 2010·Granted Dec 11, 2012·24 cites·18 claims
- 1391US5130109ACatalyst composition containing segregated platinum and rhodium componentsWAN CHUNG ZONG·Filed 1991·Granted Jul 14, 1992·98 cites·12 claims
- 1491US4822699AElectrocatalyst and fuel cell electrode using the sameENGELHARD CORP·Filed 1982·Granted Apr 18, 1989·51 cites·23 claims
- 1591US4675308AThree-way catalyst for lean operating enginesENGELHARD CORP·Filed 1986·Granted Jun 23, 1987·68 cites·53 claims
- 1690US8475752B2NOx adsorber catalyst with superior low temperature performanceWAN CHUNG Z·Filed 2009·Granted Jul 2, 2013·28 cites·18 claims
- 1790US5490977ARemoval of CO, hydrocarbons and NOx with catalyst containing platinum rhodiumENGELHARD CORP·Filed 1993·Granted Feb 13, 1996·64 cites·13 claims
- 1888US9533295B2Pt-Pd diesel oxidation catalyst with CO/HC light-off and HC storage functionMÜLLER-STACH TORSTEN W·Filed 2012·Granted Jan 3, 2017·8 cites·20 claims
- 1987US10124292B2Emissions treatment system with ammonia-generating and SCR catalystsBASF CORP·Filed 2017·Granted Nov 13, 2018·2 cites·19 claims
- 2087US9358503B2Emissions treatment system with ammonia-generating and SCR catalystsBASF CORP·Filed 2014·Granted Jun 7, 2016·5 cites·29 claims
- 2184US6107240ACatalyst composition containing an intimately mixed oxide of cerium and praseodymiumENGELHARD CORP·Filed 1997·Granted Aug 22, 2000·62 cites·24 claims
- 2283US5888464ACatalyst composition containing an intimately combined cerium-zirconium oxideENGELHARD CORP·Filed 1997·Granted Mar 30, 1999·57 cites·21 claims
- 2381US4902664AThermally stabilized catalysts containing alumina and methods of making the sameENGELHARD CORP·Filed 1988·Granted Feb 20, 1990·34 cites·32 claims
- 2480US5895636ACatalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streamsENGELHARD CORP·Filed 1997·Granted Apr 20, 1999·45 cites·9 claims
- 2579US9498775B2Lean NOx trap diesel oxidation catalyst with hydrocarbon storage functionZHENG XIAOLAI·Filed 2012·Granted Nov 22, 2016·4 cites·15 claims
- 2670US6239064B1Catalytic compositions and methods for suppression of halogenation of organic compounds with oxidation products of halogenated organic compounds in gaseous emission streamsENGELHARD CORP·Filed 1998·Granted May 29, 2001·30 cites·3 claims
- 2767US4677095AStabilized alumina catalyst support coatingsENGELHARD CORP·Filed 1985·Granted Jun 30, 1987·20 cites·11 claims
- 2844US2001026838A1Monolithic catalysts and related process for manufactureENGELHARD CORP·Filed 2001·Application pending·0 cites
- 2940US2010251700A1HC-SCR System for Lean Burn EnginesBASF CATALYSTS LLC·Filed 2010·Application pending·0 cites
- 3039US10369548B2Catalyzed soot filterBASF SE·Filed 2015·Granted Aug 6, 2019·0 cites·18 claims
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