AK

Alexander E. Kuperman

Chevron: 93 patents #15 of 4,788Top 1%
University of California: 4 patents #2,189 of 18,278Top 15%
The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
Dow Global Technologies: 1 patents #2,632 of 4,534Top 60%
Overall (All Time): #14,819 of 4,157,543Top 1%
99
Patents All Time

Issued Patents All Time

Showing 25 most recent of 99 patents

Patent #TitleCo-InventorsDate
12404171 Alternating fixed and fluidized bed reactor systems and processes Huping Luo, Lin Li, Xiaoying Ouyang 2025-09-02
12384975 Multi-tube reactor systems and processes for no-oxidative conversion of methane Lin Li, Huping Luo, Xiaoying Ouyang 2025-08-12
12011710 Tetrametallic bulk hydroprocessing catalysts Xiaoying Ouyang, Viorel Duma, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2024-06-18
11951458 Tetrametallic bulk hydroprocessing catalysts Xiaoying Ouyang, Viorel Duma, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2024-04-09
11781076 Multi-tube reactor systems and processes for no-oxidative conversion of methane Lin Li, Huping Luo, Xiaoying Ouyang 2023-10-10
11731112 Tetrametallic bulk hydroprocessing catalysts Xiaoying Ouyang, Viorel Duma, Ibrahim J. Uckung, Theodorus Ludovicus Michael Maesen, Axel Brait +1 more 2023-08-22
11707733 Multi-metallic bulk hydroprocessing catalysts Xiaoying Ouyang 2023-07-25
11707732 Multi-metallic bulk hydroprocessing catalysts Xiaoying Ouyang 2023-07-25
11707735 Multi-metallic bulk hydroprocessing catalysts Xiaoying Ouyang 2023-07-25
11577235 Layered catalyst reactor systems and processes for hydrotreatment of hydrocarbon feedstocks Axel Brait, Xiaoying Ouyang, Theodorus Ludovicus Michael Maesen 2023-02-14
11041128 Catalytic remedy for advanced UCO bleed reduction in recycle hydrocracking operations Theodorus Ludovicus Michael Maesen, Derek Blackwell, Viorel Duma, Varut Komalarajun, Hyunuk Ryu +3 more 2021-06-22
10968405 Catalytic remedy for advanced UCO bleed reduction in recycle hydrocracking operations Theodoras Ludovicus Michael Maesen, Derek Blackwell, Viorel Duma, Varut Komalarajun, Hyunuk Ryu +3 more 2021-04-06
9919987 Naphthene ring opening over self-supported multi-metallic catalysts Bi-Zeng Zhan 2018-03-20
9809870 Process for separating and recovering metals Rahul Shankar Bhaduri, Louis Joseph Nordrum 2017-11-07
9803154 Process for preparing a para-branched alkyl-substituted hydroxyaromatic compound Cedrick Mahieux, Curtis B. Campbell 2017-10-31
9776181 Hydroconversion multi-metallic catalyst and method for making thereof Theodorus Ludovicus Michael Maesen, Dennis Dykstra 2017-10-03
9687823 Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units Julie Chabot, Bo Kou 2017-06-27
9669396 Hydrocracking catalyst and process using a magnesium aluminosilicate clay Theodorus Ludovicus Michael Maesen, Darren P. Fong 2017-06-06
9504993 Hydroconversion multi-metallic catalysts and method for making thereof Jinyi Han 2016-11-29
9446998 Paraffinic jet and diesel fuels and base oils from vegetable oils via a combination of hydrotreating, paraffin disproportionation and hydroisomerization Cong-Yan Chen, Dennis J. O'Rear, Thomas Francis Finger, Stephen J. Miller 2016-09-20
9376359 Process for preparing a para-linear alkyl-substituted hydroxyaromatic compound Cedrick Mahieux, Curtis B. Campbell 2016-06-28
9327274 Hydroconversion multi-metallic catalyst and method for making thereof Jinyi Han 2016-05-03
9327275 Hydroconversion multi-metallic catalysts and method for making thereof Jinyi Han, Theodorus Ludovicus Michael Maesen, Horacio Trevino 2016-05-03
9321037 Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units Julie Chabot, Bo Kou 2016-04-26
9295983 Calixarene-bound iridium-containing metal colloids Alexander Katz, Namal De Silva, Andrew Solovyov, Cong-Yan Chen, Partha Nandi +2 more 2016-03-29