Inventor · disambiguated record
Yuan-Zhang Han
Also filed as: HAN YUAN-ZHANG
18 granted patents·2 pending applications·337 citations·filing 1992–2015
95Inventor score
Top patents by PatentIndex Score
20 records- 0188US6376720B1Cobalt-catalyzed process for preparing 1,3-propanediolARCO CHEM TECH·Filed 2001·Granted Apr 23, 2002·19 cites·5 claims
- 0287US5319114AOlefin epoxidation using a carbon molecular sieve impregnated with a transition metalARCO CHEM TECH·Filed 1993·Granted Jun 7, 1994·35 cites·20 claims
- 0386US7144499B2Desulfurization processLYONDELL CHEMICAL TECH LP·Filed 2003·Granted Dec 5, 2006·36 cites·16 claims
- 0486US6114552AHeterogeneous epoxidation catalystARCO CHEM TECH·Filed 1999·Granted Sep 5, 2000·33 cites·13 claims
- 0584US9133088B1Process for hydroxylating phenolic substrateHAN YUAN-ZHANG·Filed 2015·Granted Sep 15, 2015·3 cites·15 claims
- 0684US6383966B1Method for making a heterogeneous epoxidation catalystARCO CHEM TECH·Filed 2000·Granted May 7, 2002·24 cites·12 claims
- 0783US6770790B1Purification of tertiary butyl alcoholARCO CHEM TECH·Filed 2003·Granted Aug 3, 2004·12 cites·14 claims
- 0883US5233093AHydroformylation process and bimetallic catalyst thereforARCO CHEM TECH·Filed 1992·Granted Aug 3, 1993·19 cites·13 claims
- 0982US5916835AHeterogeneous catalyst regenerationARCO CHEM TECH·Filed 1996·Granted Jun 29, 1999·44 cites·26 claims
- 1081US5759945APreparation of titanium-containing catalysts using titanosiloxane polymersARCO CHEM TECH·Filed 1997·Granted Jun 2, 1998·27 cites·34 claims
- 1172US6376724B1Cobalt-catalyzed process for preparing 1,3-propanediolARCO CHEM TECH·Filed 2001·Granted Apr 23, 2002·5 cites·8 claims
- 1272US6011162AEpoxidation process using improved heterogeneous catalyst compositionARCO CHEM TECH·Filed 1998·Granted Jan 4, 2000·34 cites·34 claims
- 1372US5798313AHeterogeneous catalyst regenerationARCO CHEM TECH·Filed 1996·Granted Aug 25, 1998·26 cites·16 claims
- 1469US6323374B1Cobalt-catalyzed process for preparing 1,3-propanediolARCO CHEM TECH·Filed 2001·Granted Nov 27, 2001·4 cites·6 claims
- 1565US5932751AEpoxidation catalyst and processARCO CHEM TECH·Filed 1998·Granted Aug 3, 1999·10 cites·6 claims
- 1657US7270742B2Organosulfur oxidation processLYONDELL CHEMICAL TECH LP·Filed 2003·Granted Sep 18, 2007·5 cites·21 claims
- 1745US6872679B2Heterogeneous catalyst regenerationARCO CHEM TECH·Filed 2002·Granted Mar 29, 2005·0 cites·20 claims
- 1839US2004178121A1Organosulfur oxidation processFiled 2003·Application pending·0 cites
- 1938US5276210AHydroformylation process and bimetallic catalyst thereforARCO CHEM TECH·Filed 1993·Granted Jan 4, 1994·1 cites·11 claims
- 2036US2003032845A1Hydroformylation of ethylene oxideFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →