Inventor
KUPERMAN ALEXANDER
US27 patents
⚠️ This page may combine multiple inventors who share the name “KUPERMAN ALEXANDER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON USA INC
16 patentsUS7166146B2Jan 23, 2007
Mixed matrix membranes with small pore molecular sieves and methods for making and using the membranes
CHEVRON USA INC68 citations97
US7138006B2Nov 21, 2006
Mixed matrix membranes with low silica-to-alumina ratio molecular sieves and methods for making and using the membranes
CHEVRON USA INC44 citations92
US7306647B2Dec 11, 2007
Mixed matrix membrane with mesoporous particles and methods for making and using the same
CHEVRON USA INC17 citations84
US9919987B1Mar 20, 2018
Naphthene ring opening over self-supported multi-metallic catalysts
CHEVRON USA INC4 citations72
US12404171B2Sep 2, 2025
Alternating fixed and fluidized bed reactor systems and processes
CHEVRON USA INC0 citations62
US12384975B2Aug 12, 2025
Multi-tube reactor systems and processes for no-oxidative conversion of methane
CHEVRON USA INC0 citations62
US11781076B2Oct 10, 2023
Multi-tube reactor systems and processes for no-oxidative conversion of methane
CHEVRON USA INC0 citations62
US7169376B2Jan 30, 2007
Method for making hydrogen using a gold containing water-gas shift catalyst
CHEVRON USA INC2 citations62
US12011710B1Jun 18, 2024
Tetrametallic bulk hydroprocessing catalysts
CHEVRON USA INC0 citations60
US11951458B2Apr 9, 2024
Tetrametallic bulk hydroprocessing catalysts
CHEVRON USA INC0 citations60
US11731112B2Aug 22, 2023
Tetrametallic bulk hydroprocessing catalysts
CHEVRON USA INC0 citations60
US9776181B2Oct 3, 2017
Hydroconversion multi-metallic catalyst and method for making thereof
CHEVRON USA INC1 citations52
US11577235B1Feb 14, 2023
Layered catalyst reactor systems and processes for hydrotreatment of hydrocarbon feedstocks
CHEVRON USA INC0 citations51
US9687823B2Jun 27, 2017
Hydroprocessing co-catalyst compositions and methods of introduction thereof into hydroprocessing units
CHEVRON USA INC0 citations51
US9266915B2Feb 23, 2016
Synthesis of open metal carbonyl clusters
CHEVRON USA INC0 citations48
US7416656B2Aug 26, 2008
Process for removing aluminum contaminants from Fischer-Tropsch feed streams using dicarboxylic acid
CHEVRON USA INC1 citations46