Inventor · disambiguated record
David Allen Cooper
Also filed as: COOPER DAVID · COOPER DAVID A · COOPER DAVID ALLEN
12 granted patents·6 pending applications·235 citations·filing 1992–2021
90Inventor score
Top patents by PatentIndex Score
18 records- 0195US5601798AProcess for preparing zeolite Y with increased mesopore volumePQ CORP·Filed 1994·Granted Feb 11, 1997·137 cites·21 claims
- 0286US7141232B2Preparation of molecular sieves involving spray dryingPQ CORP·Filed 2005·Granted Nov 28, 2006·7 cites·15 claims
- 0378US6174430B1Noble metal hydrocracking catalystsSHELL OIL CO·Filed 2000·Granted Jan 16, 2001·16 cites·5 claims
- 0474US9861963B2Preparation of catalystSHELL OIL CO·Filed 2013·Granted Jan 9, 2018·2 cites·11 claims
- 0571US5242677AStable zeolite of low unit cell constant and method of making samePQ CORP·Filed 1992·Granted Sep 7, 1993·27 cites·5 claims
- 0660US5435987AProcess for preparing ammonium zeolites of low alkali metal contentPQ CORP·Filed 1993·Granted Jul 25, 1995·21 cites·1 claims
- 0758US10189012B2Preparation of catalystSHELL OIL CO·Filed 2017·Granted Jan 29, 2019·0 cites·10 claims
- 0856US6093672ANoble metal hydrocracking catalystsSHELL OIL CO·Filed 1997·Granted Jul 25, 2000·16 cites·23 claims
- 0955US9308521B2Zeolite YPQ CORP·Filed 2014·Granted Apr 12, 2016·0 cites·23 claims
- 1053US10377638B2Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOxPQ CORP·Filed 2015·Granted Aug 13, 2019·0 cites·38 claims
- 1151US6521208B1Process for preparing a modified zeolitePQ CORP·Filed 2000·Granted Feb 18, 2003·9 cites·28 claims
- 1250US2023191375A1A method of preparing a hydrocracking catalystSHELL OIL CO·Filed 2021·Application pending·0 cites
- 1347US2010278723A1Zeolite yCOOPER DAVID ALLEN·Filed 2010·Application pending·0 cites
- 1444US10773249B2Preparation of a ZSM-5-based catalyst; use in ethylbenzene dealkylation processSHELL OIL CO·Filed 2017·Granted Sep 15, 2020·0 cites·14 claims
- 1544US2012269719A1Large crystal, organic-free chabazite, methods of making and using the sameMODEN BJORN·Filed 2012·Application pending·0 cites
- 1643US2004141911A1High surface zeolites and methods for preparation and use thereofPQ CORP INC·Filed 2003·Application pending·0 cites
- 1742US2014187411A1Preparation of silica-alumina compositionPQ CORP·Filed 2013·Application pending·0 cites
- 1831US2005063901A1Preparation of molecular sieves involving spray dryingFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →