Inventor · disambiguated record
David A. Lesch
Also filed as: LESCH DAVID A
25 granted patents·16 pending applications·380 citations·filing 1986–2023
96Inventor score
Top patents by PatentIndex Score
41 records- 0197US7758751B1UV-cross-linked membranes from polymers of intrinsic microporosity for liquid separationsUOP LLC·Filed 2006·Granted Jul 20, 2010·54 cites·10 claims
- 0292US7998246B2Gas separations using high performance mixed matrix membranesUOP LLC·Filed 2006·Granted Aug 16, 2011·36 cites·12 claims
- 0392US7112316B1Process for preparing molecular sieves via continuous addition of nutrientsUOP LLC·Filed 2005·Granted Sep 26, 2006·20 cites·43 claims
- 0486US6773694B1Process for synthesizing molecular sievesUOP LLC·Filed 2002·Granted Aug 10, 2004·61 cites·42 claims
- 0585US8048198B2High performance mixed matrix membranes incorporating at least two kinds of molecular sievesUOP LLC·Filed 2007·Granted Nov 1, 2011·12 cites·19 claims
- 0683US8083833B2Flexible template-directed microporous partially pyrolyzed polymeric membranesLIU CHUNQING·Filed 2007·Granted Dec 27, 2011·11 cites·7 claims
- 0782US8262779B2Microporous aluminophosphate molecular sieve membranes for highly selective separationsLIU CHUNQING·Filed 2010·Granted Sep 11, 2012·5 cites·6 claims
- 0882US5296208AMolecular sieve synthesisUOP INC·Filed 1992·Granted Mar 22, 1994·39 cites·7 claims
- 0981US12285746B2Selective hydroisomerization catalystUOP LLC·Filed 2023·Granted Apr 29, 2025·0 cites·20 claims
- 1080US7815712B2Method of making high performance mixed matrix membranes using suspensions containing polymers and polymer stabilized molecular sievesUOP LLC·Filed 2006·Granted Oct 19, 2010·9 cites·26 claims
- 1177US4973460ALithium-aluminum-phosphorus-silicon-oxide molecular sieve compositionsUOP INC·Filed 1988·Granted Nov 27, 1990·14 cites·22 claims
- 1276US7320782B1Process for preparing a layered molecular sieve compositionUOP LLC·Filed 2004·Granted Jan 22, 2008·14 cites·16 claims
- 1375US11697111B2Selective hydroisomerization catalystUOP LLC·Filed 2022·Granted Jul 11, 2023·0 cites·20 claims
- 1473US8816003B2High plasticization-resistant cross-linked polymeric membranes for separationsLIU CHUNQING·Filed 2008·Granted Aug 26, 2014·5 cites·7 claims
- 1573US7442365B1Process for preparing molecular sieve beadsUOP LLC·Filed 2004·Granted Oct 28, 2008·16 cites·42 claims
- 1670US8226862B2Molecular sieve/polymer asymmetric flat sheet mixed matrix membranesLIU CHUNQING·Filed 2007·Granted Jul 24, 2012·4 cites·11 claims
- 1770US7790133B2Multi-component hydrogen storage materialUOP LLC·Filed 2007·Granted Sep 7, 2010·2 cites·9 claims
- 1870US5478787ADiscrete molecular sieve and useUOP INC·Filed 1994·Granted Dec 26, 1995·22 cites·13 claims
- 1963US10981143B2Binderless zeolitic adsorbentsUOP LLC·Filed 2018·Granted Apr 20, 2021·0 cites·10 claims
- 2063US5365008AOlefin isomerization processUOP INC·Filed 1993·Granted Nov 15, 1994·7 cites·20 claims
- 2161US5898090AAromatic isomerization using a modified silicoaluminophosphateUOP LLC·Filed 1997·Granted Apr 27, 1999·17 cites·5 claims
- 2259US11033879B2Binderless zeolitic adsorbentsUOP LLC·Filed 2018·Granted Jun 15, 2021·0 cites·7 claims
- 2353US2008064912A1Process for Preparing a Layered Molecular Sieve CompositionJACOBSEN LANCE L·Filed 2007·Application pending·0 cites
- 2452US5516957ADiscrete molecular sieve and useUOP INC·Filed 1995·Granted May 14, 1996·12 cites·10 claims
- 2552US4789535ALithium-aluminum-phosphorus-oxide molecular sieve compositionsUNION CARBIDE CORP·Filed 1986·Granted Dec 6, 1988·13 cites·62 claims
- 2649US2010018926A1Mixed Matrix Membranes Containing Ion-Exchanged Molecular SievesLIU CHUNQING·Filed 2008·Application pending·0 cites
- 2748US2009155464A1Molecular Sieve/Polymer Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 2848US2009114089A1Microporous Aluminophosphate Molecular Sieve Membranes for Highly Selective SeparationsLIU CHUNQING·Filed 2007·Application pending·0 cites
- 2948US2009152755A1Molecular Sieve/Polymer Hollow Fiber Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3048US2009126567A1Mixed Matrix Membranes Containing Molecular Sieves With Thin Plate MorphologyLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3147US2008142440A1Liquid Separations Using High Performance Mixed Matrix MembranesLIU CHUNQING·Filed 2006·Application pending·0 cites
- 3246US2009126570A1Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3346US2009126566A1Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3446US2009131242A1Method of Making Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3546US2009149565A1Method for Making High Performance Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3646US2009127197A1Polymer Functionalized Molecular Sieve/Polymer Mixed Matrix MembranesLIU CHUNQING·Filed 2007·Application pending·0 cites
- 3743US2006201884A1High flux, microporous, sieving membranes and separators containing such membranes and processes using such membranesKULPRATHIPANJA SANTI·Filed 2006·Application pending·0 cites
- 3843US2010326273A1Plasticization resistant membranesUOP LLC·Filed 2010·Application pending·0 cites
- 3942US2010270234A1Plasticization resistant membranesUOP LLC·Filed 2010·Application pending·0 cites
- 4040US4938937ACrystalline aluminophosphate compositionUOP INC·Filed 1987·Granted Jul 3, 1990·7 cites·19 claims
- 4138US2011053762A1Layered molecular sieve compositionUOP LLC·Filed 2010·Application pending·0 cites
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