Inventor · disambiguated record
Zhufang Liu
Also filed as: LIU ZHUFANG
28 granted patents·16 pending applications·200 citations·filing 2002–2025
95Inventor score
Top patents by PatentIndex Score
44 records- 0196US7538060B2Palladium-copper chromite hydrogenation catalystsEASTMAN CHEM CO·Filed 2007·Granted May 26, 2009·112 cites·51 claims
- 0291US11450847B2Alkaline electrochemical cells comprising increased zinc oxide levelsENERGIZER BRANDS LLC·Filed 2019·Granted Sep 20, 2022·2 cites·19 claims
- 0391US7632962B2Hydrogenation process and catalystsEASTMAN CHEM CO·Filed 2007·Granted Dec 15, 2009·11 cites·16 claims
- 0490US9108895B2Promoted ruthenium catalyst for the improved hydrogenation of carboxylic acids to the corresponding alcoholsEASTMAN CHEM CO·Filed 2012·Granted Aug 18, 2015·6 cites·20 claims
- 0590US2025112226A1Alkaline electrochemical cells comprising increased zinc oxide levelsENERGIZER BRANDS LLC·Filed 2024·Application pending·0 cites
- 0689US8420868B2Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diolsLIU ZHUFANG·Filed 2010·Granted Apr 16, 2013·8 cites·16 claims
- 0785US7521583B2Process for the preparation of tetraalkylcyclobutane-1,3-diol in the presence of a cobalt-based catalystEASTMAN CHEM CO·Filed 2007·Granted Apr 21, 2009·6 cites·22 claims
- 0884US7838707B2Process for the preparation of a tetraalkylcyclobutane-1,3-diol using an ruthenium-promoted cobalt-based catalystEASTMAN CHEM CO·Filed 2007·Granted Nov 23, 2010·5 cites·24 claims
- 0984US7524994B2Process for the preparation of a tetraalkylcyclobutane-1,3-diol using an iridium-promoted cobalt-based catalystEASTMAN CHEM CO·Filed 2007·Granted Apr 28, 2009·5 cites·24 claims
- 1083US8394997B2Process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diolsLIU ZHUFANG·Filed 2010·Granted Mar 12, 2013·4 cites·18 claims
- 1182US7659432B2Catalysts selective for the preparation of mixed ketones from a mixture of carboxylic acidsEASTMAN CHEM CO·Filed 2008·Granted Feb 9, 2010·7 cites·27 claims
- 1282US7452841B2Catalysts selective for the preparation of mixed ketones from a mixture of carboxylic acidsEASTMAN CHEM CO·Filed 2006·Granted Nov 18, 2008·7 cites·17 claims
- 1382US6521765B1Process for the preparation of 3-methyltetrahydrofuranEASTMAN CHEM CO·Filed 2002·Granted Feb 18, 2003·13 cites·8 claims
- 1481US8921509B2Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal speciesLIU ZHUFANG·Filed 2012·Granted Dec 30, 2014·2 cites·12 claims
- 1581US8420869B2Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diolsZHU ZHIDONG·Filed 2010·Granted Apr 16, 2013·4 cites·18 claims
- 1678US11437655B2Long-chain surfactants for improving battery performanceENERGIZER BRANDS LLC·Filed 2018·Granted Sep 6, 2022·1 cites·8 claims
- 1778US10464879B2Process for the reductive amination of halogen-containing substratesTAMINCO BVBA·Filed 2016·Granted Nov 5, 2019·1 cites·12 claims
- 1876US9822053B2Single step conversion of N-butyraldehyde to 2-ethylhexanalEASTMAN CHEM CO·Filed 2016·Granted Nov 21, 2017·1 cites·13 claims
- 1975US12126014B2Alkaline electrochemical cells comprising increased zinc oxide levelsENERGIZER BRANDS LLC·Filed 2022·Granted Oct 22, 2024·0 cites·20 claims
- 2074US7582804B2Process for the preparation of a tetraalkycyclobutane-1,3-diol using a promoted-copper catalystEASTMAN CHEM CO·Filed 2007·Granted Sep 1, 2009·2 cites·32 claims
- 2173US2025329711A1Alkaline electrochemical cells comprising increased zinc oxide levelsENERGIZER BRANDS LLC·Filed 2025·Application pending·0 cites
- 2271US10544087B2Process for the reductive amination of halogen-containing substratesTAMINCO BVBA·Filed 2019·Granted Jan 28, 2020·0 cites·7 claims
- 2370US11677082B2Alkaline battery having a dual-anodeENERGIZER BRANDS LLC·Filed 2021·Granted Jun 13, 2023·0 cites·8 claims
- 2470US11211615B2Alkaline battery having a dual-anodeENERGIZER BRANDS LLC·Filed 2018·Granted Dec 28, 2021·1 cites·12 claims
- 2569US7164038B1Process for decolorizing aromatic dicarboxylic acidsEASTMAN CHEM CO·Filed 2006·Granted Jan 16, 2007·1 cites·22 claims
- 2669US7067615B1Hydrotreating polyester precursorsEASTMAN CHEM CO·Filed 2005·Granted Jun 27, 2006·1 cites·31 claims
- 2761US8530609B2Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal speciesLIU ZHUFANG·Filed 2008·Granted Sep 10, 2013·0 cites·27 claims
- 2860US2023163321A1Electrochemical cell with increased runtime and reduced internal shortingENERGIZER BRANDS LLC·Filed 2022·Application pending·0 cites
- 2958US2015335065A1Surface attachment of particles to cellulose ester fibersEASTMAN CHEM CO·Filed 2015·Application pending·0 cites
- 3058US2018022676A1Single-step conversion of n-butyraldehyde to 2-ethylhexanalEASTMAN CHEM CO·Filed 2017·Application pending·0 cites
- 3157US2023183439A1Chemical recycling of metal-containing plastics mixturesEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3257US2023220180A1Chemical recycling of plastic purge materialsEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3357US2023183441A1Chemical recycling of reclaimer flake rejectEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3457US2023227622A1Chemical recycling of colored plastics mixturesEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3557US2014174461A1Surface Attachment of Particles to Cellulose Ester FibersEASTMAN CHEM CO·Filed 2012·Application pending·0 cites
- 3656US7390869B2Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal speciesEASTMAN CHEM CO·Filed 2005·Granted Jun 24, 2008·0 cites·21 claims
- 3754US2023203268A1Enhanced separation of solvolysis coproduct streams for chemical recyclingEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3853US2023203270A1Chemical recycling of waste plastic materials with improved solvolysis catalystEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 3948US2023212370A1Chemical recycling of plastic dry finesEASTMAN CHEM CO·Filed 2021·Application pending·0 cites
- 4047US11485699B2(Meth)acrylic oligomersSYNTHOMER ADHESIVE TECH LLC·Filed 2017·Granted Nov 1, 2022·0 cites·17 claims
- 4144US11518726B2Synthesis of bicyclo[2.2.2]octane derivativesEASTMAN CHEM CO·Filed 2018·Granted Dec 6, 2022·0 cites·18 claims
- 4244US2008194398A1Ruthenium-copper chromite hydrogenation catalystsEASTMAN CHEM CO·Filed 2007·Application pending·0 cites
- 4341US2007088181A1Catalyst for the preparation of ketones from carboxylic acidsIGNATCHENKO ALEXEY V·Filed 2006·Application pending·0 cites
- 4438US2007100166A1Catalyst and process for the preparation of unsymmetrical ketonesBEAVERS WILLIAM A·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Zhufang Liu files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →