David Allen Cooper — 12 Patents at Pq

David Allen Cooper has been granted 12 US patents while listed as an inventor at Pq. The first was granted in 1993 and the most recent in September 2020. David Allen Cooper ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list David Allen Cooper in Levittown, PA, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
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	$246,242,000
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

David Allen Cooper — 12 Patents

Issued Patents All Time

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