DC

David Allen Cooper

PQ Pq: 7 patents #6 of 111Top 6%
Shell Oil Compny: 4 patents #842 of 4,423Top 20%
Chevron: 1 patents #2,615 of 4,788Top 55%
Overall (All Time): #414,465 of 4,157,543Top 10%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10773249 Preparation of a ZSM-5-based catalyst; use in ethylbenzene dealkylation process Yuriy YANSON, Hong-Xin Li 2020-09-15
10377638 Stabilized microporous crystalline material, the method of making the same, and the use for selective catalytic reduction of NOx Hong-Xin Li, Bjorn Moden, William E. Cormier 2019-08-13
10189012 Preparation of catalyst Sjoerd Alkema, Lay Hwa Ong, Bart Pelgrim, László Domokos, Ferry Winter 2019-01-29
9861963 Preparation of catalyst Sjoerd Alkema, Lay Hwa Ong, Bart Pelgrim, László Domokos, Ferry Winter 2018-01-09
9308521 Zeolite Y Cornelius Ouwehand, László Domokos, Lay Hwa Ong 2016-04-12
7141232 Preparation of molecular sieves involving spray drying Stephen J. Miller, Gerald M. Woltermann, William E. Cormier 2006-11-28
6521208 Process for preparing a modified zeolite William E. Cormier, Elliot P. Hertzenberg, Richard J. Hinchey, Bonita K. Marcus 2003-02-18
6174430 Noble metal hydrocracking catalysts Bruce H. C. Winquist 2001-01-16
6093672 Noble metal hydrocracking catalysts Bruce H. C. Winquist 2000-07-25
5601798 Process for preparing zeolite Y with increased mesopore volume Thomas W. Hastings, Elliot P. Hertzenberg 1997-02-11
5435987 Process for preparing ammonium zeolites of low alkali metal content 1995-07-25
5242677 Stable zeolite of low unit cell constant and method of making same Raymond P. Denkewicz, Jr., Elliot P. Hertzenberg 1993-09-07