DS

David James Schreck

UT Univation Technologies: 22 patents #27 of 289Top 10%
UT Union Carbide Chemicals & Plastics Technology: 17 patents #24 of 701Top 4%
IB Iowa Corn Promotion Board: 8 patents #1 of 29Top 4%
TT T.En Process Technology: 4 patents #2 of 30Top 7%
Dow Global Technologies: 3 patents #1,458 of 4,534Top 35%
UC Union Carbide: 3 patents #288 of 1,402Top 25%
Overall (All Time): #40,261 of 4,157,543Top 1%
59
Patents All Time

Issued Patents All Time

Showing 25 most recent of 59 patents

Patent #TitleCo-InventorsDate
12077489 Continuous, carbohydrate to ethylene glycol processes Ray Chrisman, Donald L. Bunning, Mark Nunley, Brooke A. Albin, Michael C. Bradford +1 more 2024-09-03
11919840 Methods for operating continuous, unmodulated, multiple catalytic step processes Ray Chrisman, Donald L. Bunning, Mark Nunley, Brooke A. Albin, Michael C. Bradford +1 more 2024-03-05
11680031 Continuous processes for the selective conversion of aldohexose-yielding carbohydrate to ethylene glycol using low concentrations of retro-aldol catalyst Mark Nunley, Donald L. Bunning, Brooke A. Albin, Louis A. Kapicak, Michael C. Bradford 2023-06-20
11655200 Continuous processes for the selective conversion of aldohexose-yielding carbohydrate to ethylene glycol using low concentrations of retro-aldol catalyst Mark Nunley, Donald L. Bunning, Brooke A. Albin, Louis A. Kapicak, Michael C. Bradford 2023-05-23
11319268 Continuous, carbohydrate to ethylene glycol processes Ray Chrisman, Donald L. Bunning, Mark Nunley, Brooke A. Albin, Michael C. Bradford +1 more 2022-05-03
11319269 Continuous processes for the selective conversion of aldohexose-yielding carbohydrate to ethylene glycol using low concentrations of retro-aldol catalyst Mark Nunley, Donald L. Bunning, Brooke A. Albin, Louis A. Kapicak, Michael C. Bradford 2022-05-03
10988426 Continuous processes for the highly selective conversion of aldohexose-yielding carbohydrate to ethylene glycol Ray Chrisman, Brooke A. Albin, Nye A. Clinton, Donald L. Bunning, Alex Buck 2021-04-27
10975010 Continuous processes for the highly selective conversion of aldohexose-yielding carbohydrate to ethylene glycol Ray Chrisman, Brooke A. Albin, Donald L. Bunning, Mark Nunley 2021-04-13
10544072 Continuous processes for the highly selective conversion of aldohexose-yielding carbohydrate to ethylene glycol Ray Chrisman, Brooke A. Albin, Nye A. Clinton, Marion McKinley Bradford, Donald L. Bunning 2020-01-28
10472310 Continuous processes for the highly selective conversion of sugars to propylene glycol or mixtures of propylene glycol and ethylene glycol Ray Chrisman, Brooke A. Albin, Nye A. Clinton, Marion McKinley Bradford, Donald L. Bunning 2019-11-12
9783472 Process for the continuous production of ethylene glycol from carbohydrates Ray Chrisman, Brooke A. Albin, Nye A. Clinton, Marion McKinley Bradford 2017-10-10
9399610 Process for the continuous production of ethylene glycol from carbohydrates Ray Chrisman, Brooke A. Albin, Nye A. Clinton, Marion McKinley Bradford 2016-07-26
9120806 Dianhydrosugar production process Marion McKinley Bradford, Nye A. Clinton, Paul Aubry 2015-09-01
8236975 Process for the conversion of a crude glycerol, crude mixtures of naturally derived multicomponent aliphatic hydrocarbons or esters thereof to a chlorohydrin Bruce D. Hook, John R. Briggs, Robert Marshall Campbell, William J. Kruper, Jr., Richard D. Varjian +1 more 2012-08-07
8088957 Conversion of a multihydroxylated-aliphatic hydrocarbon or ester thereof to a chlorohydrin William J. Kruper, Jr., Kenneth L. Kearns, Jr., Richard D. Varjian, Mark Jones, Robert Marshall Campbell +3 more 2012-01-03
7910781 Process for the conversion of a crude glycerol, crude mixtures of naturally derived multihydroxylated aliphatic hydrocarbons or esters thereof to a chlorohydrin Bruce D. Hook, John R. Briggs, Robert Marshall Campbell, William J. Kruper, Jr., Richard D. Varjian +1 more 2011-03-22
RE41897 Catalyst composition, method of polymerization, and polymer therefrom Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Terry, Simon Mawson +2 more 2010-10-26
7754840 Bimodal high density polyethlyene Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson +2 more 2010-07-13
7384884 Catalyst preparation method Timothy T. Wenzel 2008-06-10
6982236 Process to polymerize olefins Timothy T. Wenzel 2006-01-03
6972270 Catalyst modifiers and their use in the polymerization of olefin(s) Timothy T. Wenzel, Dick Nagaki, Simon Mawson, Thomas H. Peterson 2005-12-06
6960549 Catalyst modifiers and their use in the polymerization of olefin(s) Timothy T. Wenzel, Dick Nagaki, Simon Mawson, Thomas H. Peterson 2005-11-01
6897273 Catalyst composition, method of polymerization and polymer therefrom John F. Szul, Tae Hoon Kwalk, Simon Mawson, Matthew McKee, Kersten Anne Terry +3 more 2005-05-24
6897269 Processes for transitioning between Ziegler-Natta and alumoxane-based single-site polymerization catalysts Mark G. Goode 2005-05-24
6894128 Catalyst composition, method of polymerization, and polymer therefrom Donald R. Loveday, David H. McConville, John F. Szul, Kersten Anne Erickson, Simon Mawson +2 more 2005-05-17