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David Allen Cooper
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Morrisville, PA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Stabilized microporous crystalline material, the method of making t...
Patent number
10,377,638
Issue date
Aug 13, 2019
PQ Corporation
Hong-Xin Li
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Preparation of catalyst
Patent number
10,189,012
Issue date
Jan 29, 2019
Shell Oil Company
David Allen Cooper
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Zeolite Y
Patent number
9,308,521
Issue date
Apr 12, 2016
PQ Corporation
David Allen Cooper
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of molecular sieves involving spray drying
Patent number
7,141,232
Issue date
Nov 28, 2006
Chevron U.S.A. Inc.
Stephen J. Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing a modified zeolite
Patent number
6,521,208
Issue date
Feb 18, 2003
PQ Corporation
David A. Cooper
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Noble metal hydrocracking catalysts
Patent number
6,174,430
Issue date
Jan 16, 2001
Shell Oil Company
Bruce Herman Charles Winquist
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Noble metal hydrocracking catalysts
Patent number
6,093,672
Issue date
Jul 25, 2000
Shell Oil Company
Bruce Herman Charles Winquist
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Process for preparing zeolite Y with increased mesopore volume
Patent number
5,601,798
Issue date
Feb 11, 1997
PQ Corporation
David A. Cooper
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing ammonium zeolites of low alkali metal content
Patent number
5,435,987
Issue date
Jul 25, 1995
PQ Corporation
David A. Cooper
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Stable zeolite of low unit cell constant and method of making same
Patent number
5,242,677
Issue date
Sep 7, 1993
PQ Corporation
David A. Cooper
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
A METHOD OF PREPARING A HYDROCRACKING CATALYST
Publication number
20230191375
Publication date
Jun 22, 2023
David Allen COOPER
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PREPARATION OF CATALYST
Publication number
20180117568
Publication date
May 3, 2018
Shell Oil Company
David Allen COOPER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
STABILIZED MICROPOROUS CRYSTALLINE MATERIAL, THE METHOD OF MAKING T...
Publication number
20160296924
Publication date
Oct 13, 2016
PQ CORPORATION
Hong-Xin Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREPARATION OF CATALYST
Publication number
20140183098
Publication date
Jul 3, 2014
Shell Oil Company
David Allen COOPER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PREPARATION OF SILICA-ALUMINA COMPOSITION
Publication number
20140187411
Publication date
Jul 3, 2014
PQ CORPORATION
David Allen Cooper
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ZEOLITE Y
Publication number
20140135560
Publication date
May 15, 2014
PQ CORPORATION
David Allen Cooper
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
LARGE CRYSTAL, ORGANIC-FREE CHABAZITE, METHODS OF MAKING AND USING...
Publication number
20120269719
Publication date
Oct 25, 2012
PQ CORPORATION
Bjorn Moden
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
ZEOLITE Y
Publication number
20100278723
Publication date
Nov 4, 2010
David Allen Cooper
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Preparation of molecular sieves involving spray drying
Publication number
20050271583
Publication date
Dec 8, 2005
Stephen J. Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Preparation of molecular sieves involving spray drying
Publication number
20050063901
Publication date
Mar 24, 2005
Stephen J. Miller
C01 - INORGANIC CHEMISTRY
Information
Patent Application
High surface zeolites and methods for preparation and use thereof
Publication number
20040141911
Publication date
Jul 22, 2004
PQ Corporation, Inc.
David A. Cooper
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL