Inventor · disambiguated record
David S. Lafyatis
Also filed as: LAFYATIS DAVID · LAFYATIS DAVID S · LAFYATIS DAVID SCOTT
14 granted patents·9 pending applications·198 citations·filing 1993–2025
91Inventor score
Top patents by PatentIndex Score
23 records- 0196US7626064B1Transalkylation processUOP LLC·Filed 2008·Granted Dec 1, 2009·41 cites·11 claims
- 0295US7605295B1Integrated process yielding xylenes from mixed aromaticsUOP LLC·Filed 2008·Granted Oct 20, 2009·21 cites·16 claims
- 0392US7628063B2Method for on-board diagnostics of diesel engine NOx adsorber catalystsCUMMINS INC·Filed 2008·Granted Dec 8, 2009·24 cites·2 claims
- 0473US6477831B1Combatting air pollutionJOHNSON MATTHEY PLC·Filed 1999·Granted Nov 12, 2002·38 cites·29 claims
- 0573US5939028ACombatting air pollutionJOHNSON MATTHEY PLC·Filed 1997·Granted Aug 17, 1999·30 cites·22 claims
- 0666US9365469B2Process for transalkylating aromatic hydrocarbonsLAFYATIS DAVID S·Filed 2011·Granted Jun 14, 2016·1 cites·20 claims
- 0765US2025084016A1Liquid organic hydrogen carrier process and catalyst systemUOP LLC·Filed 2024·Application pending·0 cites
- 0863US2025154081A1Heavy aromatic conversion for increased btx productionUOP LLC·Filed 2024·Application pending·0 cites
- 0959US6634169B1Method and system for maintaining efficiency of a three-way catalystJOHNSON MATTHEY PLC·Filed 1998·Granted Oct 21, 2003·20 cites·8 claims
- 1053US5776417AEmissions controlJOHNSON MATTHEY PLC·Filed 1996·Granted Jul 7, 1998·22 cites·18 claims
- 1153US2025263356A1Process of producing tolueneUOP LLC·Filed 2025·Application pending·0 cites
- 1252US11066345B2Processes for increasing an octane value of a gasoline componentUOP LLC·Filed 2019·Granted Jul 20, 2021·0 cites·20 claims
- 1350US10722861B2Reactor system for use with an ionic liquid catalystUOP LLC·Filed 2018·Granted Jul 28, 2020·0 cites·20 claims
- 1447US10702798B2Ionic liquid waste handling systemUOP LLC·Filed 2015·Granted Jul 7, 2020·0 cites·20 claims
- 1546US2018272327A1Ionic liquid catalyst treating systemUOP LLC·Filed 2018·Application pending·0 cites
- 1645US9815049B2Selectivity of ionic liquid alkylationUOP LLC·Filed 2016·Granted Nov 14, 2017·0 cites·14 claims
- 1745US2019002771A1Staged semiregenerative catalyst system with front catalyst zones containing higher levels of alkali with improved yield and high activity and stabilityUOP LLC·Filed 2018·Application pending·0 cites
- 1843US2018273463A1Catalyst having a modified silicon carbide support and its use as a hydrogenation catalystUOP LLC·Filed 2018·Application pending·0 cites
- 1940US5354893ACMS/SiO2 /Al2 O3 catalysts for improved selectivity in the synthesis of amines from methanol and/or dimethyl ether and ammoniaUNIV DELAWARE·Filed 1993·Granted Oct 11, 1994·1 cites·12 claims
- 2039US2014100403A1Low pressure transalkylation processUOP LLC·Filed 2012·Application pending·0 cites
- 2138US2004103651A1Desulfating a nox-trap in a diesel exhaust systemFiled 2001·Application pending·0 cites
- 2236US2017113979A1Retaining circulation of ionic liquid during an emergency or process upset of ionic liquid alkylation processUOP LLC·Filed 2015·Application pending·0 cites
- 2333US5470814ACMS/SiO2 /Al2 O3 catalysts for improved selectivity in the synthesis of amines from methanol and/or dimethyl ether and ammoniaUNIV DELAWARE·Filed 1994·Granted Nov 28, 1995·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →