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Skokie, IL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Polymer membranes prepared from aromatic polyimide membranes by the...
Patent number
9,138,692
Issue date
Sep 22, 2015
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polybenzoxazole membranes
Patent number
8,931,646
Issue date
Jan 13, 2015
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method to improve the selectivity of polybenzoxazole membranes
Patent number
8,915,379
Issue date
Dec 23, 2014
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Separation process using a polyimide membrane
Patent number
8,912,288
Issue date
Dec 16, 2014
UOP LLC
Chunqing Liu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Blend polymer gas separation membrane
Patent number
8,710,173
Issue date
Apr 29, 2014
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of separating gases using polyimide membranes
Patent number
8,704,030
Issue date
Apr 22, 2014
UOP LLC
Chunqing Liu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyimide gas separation membranes
Patent number
8,614,288
Issue date
Dec 24, 2013
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Membrane system for natural gas upgrading
Patent number
8,575,414
Issue date
Nov 5, 2013
UOP LLC
Chunqing Liu
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Polybenzoxazole membranes prepared from aromatic polyamide membranes
Patent number
8,459,469
Issue date
Jun 11, 2013
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
High permeance polyimide membranes for air separation
Patent number
8,366,804
Issue date
Feb 5, 2013
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer membranes prepared from aromatic polyimide membranes by the...
Patent number
8,241,501
Issue date
Aug 14, 2012
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer membranes prepared from aromatic polyimide membranes by the...
Patent number
8,132,677
Issue date
Mar 13, 2012
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method to improve the selectivity of polybenzoxazole membranes
Patent number
7,810,652
Issue date
Oct 12, 2010
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
POLYIMIDE GAS SEPARATION MEMBRANES
Publication number
20120322911
Publication date
Dec 20, 2012
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SEPARATION PROCESS USING A POLYIMIDE MEMBRANE
Publication number
20120322119
Publication date
Dec 20, 2012
UOP LLC
Chunqing Liu
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS OF SEPARATING GASES USING POLYIMIDE MEMBRANES
Publication number
20120323059
Publication date
Dec 20, 2012
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
BLEND POLYMER GAS SEPARATION MEMBRANE
Publication number
20120322646
Publication date
Dec 20, 2012
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYMER MEMBRANES PREPARED FROM AROMATIC POLYIMIDE MEMBRANES BY THE...
Publication number
20120276300
Publication date
Nov 1, 2012
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
MEMBRANE SYSTEM FOR NATURAL GAS UPGRADING
Publication number
20120157743
Publication date
Jun 21, 2012
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS OF MAKING ASYMMETRIC POLYBENZOXAZOLE MEMBRANES
Publication number
20110316181
Publication date
Dec 29, 2011
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
HIGH PERMEANCE POLYIMIDE MEMBRANES FOR AIR SEPARATION
Publication number
20110290112
Publication date
Dec 1, 2011
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER MEMBRANES PREPARED FROM AROMATIC POLYIMIDE MEMBRANES BY THE...
Publication number
20110278227
Publication date
Nov 17, 2011
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD TO IMPROVE THE SELECTIVITY OF POLYBENZOXAZOLE MEMBRANES
Publication number
20110077312
Publication date
Mar 31, 2011
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYBENZOXAZOLE MEMBRANES
Publication number
20110072973
Publication date
Mar 31, 2011
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYBENZOXAZOLE MEMBRANES PREPARED FROM AROMATIC POLYAMIDE MEMBRANES
Publication number
20100331437
Publication date
Dec 30, 2010
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYBENZOXAZOLE MEMBRANES PREPARED FROM AROMATIC POLYAMIDE MEMBRANES
Publication number
20100326913
Publication date
Dec 30, 2010
UOP LLC
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHOD TO IMPROVE THE SELECTIVITY OF POLYBENZOXAZOLE MEMBRANES
Publication number
20100133190
Publication date
Jun 3, 2010
UOP LLC
Chunqing Liu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Polybenzoxazole Membranes Prepared From Aromatic Polyamide Membranes
Publication number
20100133188
Publication date
Jun 3, 2010
Chunqing Liu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...