P

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 patents
US7166146B2Jan 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

DOW CHEMICAL CO

2 patents

BHADURI RAHUL SHANKAR

1 patent

KUPERMAN ALEXANDER

1 patent

DOW GLOBAL TECHNOLOGIES INC

1 patent

CHEN CONG-YAN

1 patent

KATZ ALEXANDER

1 patent

CHABOT JULIE

1 patent

UNIV CALIFORNIA

1 patent

KATZ ALEXANDER S

1 patent

CHEVRON ORONITE CO

1 patent