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David James Schreck
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Midland, MI, US
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Patents Grants
last 30 patents
Information
Patent Grant
Methods for operating continuous, unmodulated, multiple catalytic s...
Patent number
11,919,840
Issue date
Mar 5, 2024
T.EN Process Technology, Inc.
Ray Chrisman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous processes for the selective conversion of aldohexose-yie...
Patent number
11,680,031
Issue date
Jun 20, 2023
T.EN Process Technology, Inc.
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous processes for the selective conversion of aldohexose-yie...
Patent number
11,655,200
Issue date
May 23, 2023
T.EN Process Technology, Inc.
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous, carbohydrate to ethylene glycol processes
Patent number
11,319,268
Issue date
May 3, 2022
Iowa Corn Promotion Board
Ray Chrisman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous processes for the selective conversion of aldohexose-yie...
Patent number
11,319,269
Issue date
May 3, 2022
Iowa Corn Promotion Board
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous processes for the highly selective conversion of aldohex...
Patent number
10,988,426
Issue date
Apr 27, 2021
Iowa Com Promotion Board
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Continuous processes for the highly selective conversion of aldohex...
Patent number
10,975,010
Issue date
Apr 13, 2021
Iowa Corn Promotion Board
David James Schreck
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Continuous processes for the highly selective conversion of aldohex...
Patent number
10,544,072
Issue date
Jan 28, 2020
Iowa Corn Promotion Board
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Continuous processes for the highly selective conversion of sugars...
Patent number
10,472,310
Issue date
Nov 12, 2019
Iowa Corn Promotion Board
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the continuous production of ethylene glycol from carbo...
Patent number
9,783,472
Issue date
Oct 10, 2017
Iowa Corn Promotion Board
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the continuous production of ethylene glycol from carbo...
Patent number
9,399,610
Issue date
Jul 26, 2016
Iowa Corn Promotion Board
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Dianhydrosugar production process
Patent number
9,120,806
Issue date
Sep 1, 2015
Iowa Corn Promotion Board
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the conversion of a crude glycerol, crude mixtures of n...
Patent number
8,236,975
Issue date
Aug 7, 2012
Dow Global Technologies LLC
Bruce D. Hook
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conversion of a multihydroxylated-aliphatic hydrocarbon or ester th...
Patent number
8,088,957
Issue date
Jan 3, 2012
Dow Global Technologies LLC
William J. Kruper, Jr.
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the conversion of a crude glycerol, crude mixtures of n...
Patent number
7,910,781
Issue date
Mar 22, 2011
Dow Global Technologies LLC
Bruce D. Hook
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Catalyst composition, method of polymerization, and polymer therefrom
Patent number
RE41897
Issue date
Oct 26, 2010
Univation Technologies, LLC
Donald R. Loveday
526 - Synthetic resins or natural rubbers
Information
Patent Grant
Bimodal high density polyethlyene
Patent number
7,754,840
Issue date
Jul 13, 2010
Univation Technologies, LLC
Donald R. Loveday
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst preparation method
Patent number
7,384,884
Issue date
Jun 10, 2008
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process to polymerize olefins
Patent number
6,982,236
Issue date
Jan 3, 2006
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst modifiers and their use in the polymerization of olefin(s)
Patent number
6,972,270
Issue date
Dec 6, 2005
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst modifiers and their use in the polymerization of olefin(s)
Patent number
6,960,549
Issue date
Nov 1, 2005
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Processes for transitioning between Ziegler-Natta and alumoxane-bas...
Patent number
6,897,269
Issue date
May 24, 2005
Univation Technologies, LLC
David James Schreck
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst composition, method of polymerization and polymer therefrom
Patent number
6,897,273
Issue date
May 24, 2005
Univation Technologies, LLC
John F. Szul
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst composition, method of polymerization, and polymer therefrom
Patent number
6,894,128
Issue date
May 17, 2005
Univation Technologies, LLC
Donald R. Loveday
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst modifiers and their use in the polymerization of olefin(s)
Patent number
6,861,483
Issue date
Mar 1, 2005
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst composition, method of polymerization, and polymer therefrom
Patent number
6,841,631
Issue date
Jan 11, 2005
Univation Technologies, LLC
Donald R. Loveday
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst modifiers and their use in the polymerization of olefin(s)
Patent number
6,713,573
Issue date
Mar 30, 2004
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst preparation method
Patent number
6,656,866
Issue date
Dec 2, 2003
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Catalyst modifier and its use in the polymerization of olefin(s)
Patent number
6,632,769
Issue date
Oct 14, 2003
Univation Technologies, LLC
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solution feed of multiple catalysts
Patent number
6,586,544
Issue date
Jul 1, 2003
Univation Technologies, LLC
John F. Szul
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
CONTINUOUS, CARBOHYDRATE TO ETHYLENE GLYCOL PROCESSES
Publication number
20230091978
Publication date
Mar 23, 2023
T.EN PROCESS TECHNOLOGY, INC.
Ray Chrisman
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CONTINUOUS PROCESSES FOR THE SELECTIVE CONVERSION OF ALDOHEXOSE-YIE...
Publication number
20220135505
Publication date
May 5, 2022
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS PROCESSES FOR THE SELECTIVE CONVERSION OF ALDOHEXOSE-YIE...
Publication number
20220089515
Publication date
Mar 24, 2022
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS PROCESSES FOR THE SELECTIVE CONVERSION OF ALDOHEXOSE-YIE...
Publication number
20220089514
Publication date
Mar 24, 2022
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS WITH INTEGRATED RECYCLE FOR MAKING ETHYLENE GLYCOL AND/OR P...
Publication number
20210087128
Publication date
Mar 25, 2021
IOWA CORN PROMOTION BOARD
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESS FOR MAKING ETHYLENE GLYCOL AND/OR PROPYLENE GLYCOL FROM ALD...
Publication number
20210087129
Publication date
Mar 25, 2021
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS, CARBOHYDRATE TO ETHYLENE GLYCOL PROCESSES
Publication number
20210087125
Publication date
Mar 25, 2021
IOWA CORN PROMOTION BOARD
Ray Chrisman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS FOR OPERATING CONTINUOUS, UNMODULATED, MULTIPLE CATALYTIC S...
Publication number
20210087127
Publication date
Mar 25, 2021
IOWA CORN PROMOTION BOARD
Ray Chrisman
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS PROCESSES FOR THE HIGHLY SELECTIVE CONVERSION OF ALDOHEX...
Publication number
20190284119
Publication date
Sep 19, 2019
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS PROCESSES FOR THE HIGHLY SELECTIVE CONVERSION OF ALDOHEX...
Publication number
20190276382
Publication date
Sep 12, 2019
IOWA CORN PROMOTION BOARD
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Application
CONTINUOUS PROCESSES FOR THE HIGHLY SELECTIVE CONVERSION OF SUGARS...
Publication number
20180086681
Publication date
Mar 29, 2018
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CONTINUOUS PROCESSES FOR THE HIGHLY SELECTIVE CONVERSION OF ALDOHEX...
Publication number
20170349513
Publication date
Dec 7, 2017
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR THE CONTINUOUS PRODUCTION OF ETHYLENE GLYCOL FROM CARBO...
Publication number
20160304423
Publication date
Oct 20, 2016
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR THE CONTINUOUS PRODUCTION OF ETHYLENE GLYCOL FROM CARBO...
Publication number
20150329449
Publication date
Nov 19, 2015
IOWA CORN PROMOTION BOARD
David James Schreck
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR THE CONVERSION OF A CRUDE GLYCEROL, CRUDE MIXTURES OF N...
Publication number
20110178315
Publication date
Jul 21, 2011
DOW GLOBAL TECHNOLOGIES LLC
Bruce D. Hook
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PROCESSES FOR THE ESTERIFICATION OF FREE FATTY ACIDS AND THE PRODUC...
Publication number
20100242346
Publication date
Sep 30, 2010
BEST ENERGIES, INC.
Donald Leroy Bunning
C07 - ORGANIC CHEMISTRY
Information
Patent Application
BIODIESEL PRODUCTION WITH REDUCED WATER EMISSIONS
Publication number
20100126060
Publication date
May 27, 2010
BEST ENERGIES, INC.
Thomas A. Maliszewski
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
BIODIESEL PROCESSES IN THE PRESENCE OF FREE FATTY ACIDS AND BIODIES...
Publication number
20100063309
Publication date
Mar 11, 2010
BEST ENERGIES, INC.
Donald Leroy Bunning
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
BIODIESEL PROCESS AND CATALYST THEREFOR
Publication number
20100048941
Publication date
Feb 25, 2010
BEST ENERGIES, INC.
Louis A. Kapicak
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Dianhydrosugar Production Process
Publication number
20090259057
Publication date
Oct 15, 2009
IOWA CORN PROMOTION BOARD
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Integrated glyceride extraction and biodiesel production processes
Publication number
20090148920
Publication date
Jun 11, 2009
Best Energies, Inc.
David James Schreck
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Biodiesel production with enhanced alkanol recovery
Publication number
20080110082
Publication date
May 15, 2008
Thomas Arthur Maliszewski
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Conversion of a Multihydroxylated-Aliphatic Hydrocarbon or Ester Th...
Publication number
20080045728
Publication date
Feb 21, 2008
William J. Kruper
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Process for the conversion of a crude glycerol, crude mixtures of n...
Publication number
20080015370
Publication date
Jan 17, 2008
Bruce D. Hook
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Catalyst preparation method
Publication number
20050256280
Publication date
Nov 17, 2005
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst composition, method of polymerization and polymer therefrom
Publication number
20050154167
Publication date
Jul 14, 2005
John F. Szul
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Processes for transitioning between ziegler-natta and alumoxane-bas...
Publication number
20050059784
Publication date
Mar 17, 2005
David James Schreck
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst modifiers and their use in the polymerization of olefin(s)
Publication number
20040106751
Publication date
Jun 3, 2004
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst preparation method
Publication number
20040039138
Publication date
Feb 26, 2004
Timothy T. Wenzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Catalyst composition, method of polymerization, and polymer therefrom
Publication number
20040034179
Publication date
Feb 19, 2004
Donald R. Loveday
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...