Polycondensates having nitrogen-containing heterocyclic rings in the main chain

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CPC
B01D71/62

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BPERFORMING OPERATIONS TRANSPORTING B01Physical, chemical processing B01DSEPARATION B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material Manufacturing processes specially adapted therefor

Current Industry

B01D71/62Polycondensates having nitrogen-containing heterocyclic rings in the main chain

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Polypyrrole ceramic-polymeric porous membrane for separating an oil...
- Patent number 12,364,955
- Issue date Jul 22, 2025
- King Fahd University of Petroleum & Minerals
- Umair Baig
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Cross-linked polymeric membrane
- Patent number 12,343,685
- Issue date Jul 1, 2025
- National University of Singapore
- Mohammad Hossein Davood Abadi Farahani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Adsorbent cartridge for oil/water separation
- Patent number 12,318,737
- Issue date Jun 3, 2025
- King Fahd University of Petroleum & Minerals
- Isam H. Aljundi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Triazine-based membranes for gas separation
- Patent number 12,297,322
- Issue date May 13, 2025
- UT-Battelle, LLC
- Zhenzhen Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Hollow fibre membrane with improved separating efficiency, and prod...
- Patent number 12,280,339
- Issue date Apr 22, 2025
- Fresenius Medical Care Deutschland GmbH
- Torsten Keller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
All-nanoporous hybrid membranes comprising zeolites and metal-organ...
- Patent number 12,226,739
- Issue date Feb 18, 2025
- Phillips 66 Company
- Kiwon Eum
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Porous hollow fiber membrane
- Patent number 12,172,133
- Issue date Dec 24, 2024
- Toray Industries, Inc.
- Akihiro Hayashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Class of nitrogen-containing heterocyclic polymers, a class of poly...
- Patent number 12,139,580
- Issue date Nov 12, 2024
- WUHAN LIMO TECHNOLOGY CO., LTD
- Ming Li
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Porous polybenzimidazole membrane supports for composite membranes
- Patent number 12,138,599
- Issue date Nov 12, 2024
- Battelle Memorial Institute
- David Philip Hopkinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High free volume membrane for gas separation
- Patent number 12,134,068
- Issue date Nov 5, 2024
- Saudi Arabian Oil Company
- Junyan Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Doubly porous multi-layer desal membrane
- Patent number 12,121,868
- Issue date Oct 22, 2024
- King Fahd University of Petroleum & Minerals
- Isam Hassan Aljundi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Polysulfone-supported separation membrane
- Patent number 12,109,538
- Issue date Oct 8, 2024
- King Fahd University of Petroleum & Minerals
- Isam Hassan Aljundi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Crossflow desalination device
- Patent number 12,097,473
- Issue date Sep 24, 2024
- King Fahd University of Petroleum & Minerals
- Isam Hassan Aljundi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Multi-layer membrane containing mixed polyamide selective layer and...
- Patent number 11,969,696
- Issue date Apr 30, 2024
- King Fahd University of Petroleum & Minerals
- Isam Hassan Aljundi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Intrinsically microporous ladder-type Tröger's base polymers
- Patent number 11,850,557
- Issue date Dec 26, 2023
- King Abdullah University of Science and Technology
- Xiaohua Ma
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Compositions for use in the simultaneous removal of endotoxins and...
- Patent number 11,806,676
- Issue date Nov 7, 2023
- Universiteit Twente
- Dimitrios Stamatialis
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Functionalized poly(diallylpiperidinium) and its copolymers for use...
- Patent number 11,745,148
- Issue date Sep 5, 2023
- Colorado School of Mines
- Daniel M. Knauss
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
High free volume membrane for gas separation
- Patent number 11,717,787
- Issue date Aug 8, 2023
- Saudi Arabian Oil Company
- Junyan Yang
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Rice-husk derived silicon carbide membrane sorbent for oil removal
- Patent number 11,684,896
- Issue date Jun 27, 2023
- King Fahd University of Petroleum & Minerals
- Isam H. Aljundi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hollow fibre membrane with improved separating efficiency, and prod...
- Patent number 11,478,759
- Issue date Oct 25, 2022
- Fresenius Medical Care Deutschland GmbH
- Torsten Keller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Metal-organic framework filter and preparation method thereof
- Patent number 11,395,991
- Issue date Jul 26, 2022
- Ketai (Beijing) technology Co., Ltd.
- Ruodan Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric materials for electrochemical cells and ion separation pr...
- Patent number 11,318,455
- Issue date May 3, 2022
- The Regents of the University of California
- Brett A. Helms
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Imidazoles and imidazolium cations with exceptional alkaline stability
- Patent number 11,242,432
- Issue date Feb 8, 2022
- Cornell University
- Geoffrey W. Coates
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Separation membrane
- Patent number 11,219,870
- Issue date Jan 11, 2022
- Nitto Denko Corporation
- Tomotsugu Miyabe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Incubated platelet concentration module and method for producing pl...
- Patent number 11,155,785
- Issue date Oct 26, 2021
- Toray Industries, Inc.
- Kenichi Harimoto
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Process for the production of solvent stable polymeric membranes
- Patent number 10,913,033
- Issue date Feb 9, 2021
- IP2IPO Innovations Limited
- Andrew Guy Livingston
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Layered semipermeable membrane
- Patent number 10,906,011
- Issue date Feb 2, 2021
- Toray Industries, Inc.
- Takahiro Tokuyama
- B32 - LAYERED PRODUCTS
Information Patent Grant
Block polymer and polymer electrolyte membrane including same
- Patent number 10,899,874
- Issue date Jan 26, 2021
- LG Chem, Ltd.
- Yong Jin Jang
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Composite membranes and applications thereof
- Patent number 10,894,235
- Issue date Jan 19, 2021
- The Board of Trustees of the University of Arkansas
- Zheng R. Tian
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Membrane
- Patent number 10,777,833
- Issue date Sep 15, 2020
- Johnson Matthey Fuel Cells Limited
- Deborah Jones
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Hollow Fiber Membranes and Preparation Method and Use Thereof
- Publication number 20250177925
- Publication date Jun 5, 2025
- China Petroleum and Chemical Corporation
- Changjiang WU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ALL-NANOPOROUS HYBRID MEMBRANES COMPRISING ZEOLITES AND METAL-ORGAN...
- Publication number 20250144571
- Publication date May 8, 2025
- PHILLIPS 66 COMPANY
- Kiwon Eum
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Boric Acid Purification Process
- Publication number 20250136456
- Publication date May 1, 2025
- U.S. Borax Inc.
- Daniel J. Suasnabar
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYPYRROLE-GRAPHITIC CARBON NITRIDE (PPY-G-C3N4) DECORATED POLYMER...
- Publication number 20250099921
- Publication date Mar 27, 2025
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Umair BAIG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ARYL-BISIMIDAZOLIUM POLYMERS AND USES THEREOF
- Publication number 20250075036
- Publication date Mar 6, 2025
- IONOMR INNOVATIONS INC.
- Bobak Gholamkhass
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COPOLY(1,2,4-TRIAZOLE)S MEMBRANES FOR SOUR MIXED-GAS SEPARATION APP...
- Publication number 20250066537
- Publication date Feb 27, 2025
- Saudi Arabian Oil Company
- Ali Hayek
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PHOTOCATALYTIC SELF-CLEANING POLYPYRROLE/TiO2-PVDF NANOCOMPOSITE BA...
- Publication number 20250058285
- Publication date Feb 20, 2025
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Umair BAIG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Porous Polybenzimidazole Membrane Supports for Composite Membranes
- Publication number 20250033002
- Publication date Jan 30, 2025
- Battelle Memorial Institute
- David Philip Hopkinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYAMIDE-FUNCTIONALIZED SILICON CARBIDE (SIC) NANOPARTICLES-BASED...
- Publication number 20240400741
- Publication date Dec 5, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Umair BAIG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SOLUTION PHASE POLYMER SYNTHESIS
- Publication number 20240392075
- Publication date Nov 28, 2024
- EXACTMER LIMITED
- Piers Robert James Gaffney
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
THERMALLY CROSSLINKED POLYTRIAZOLE SEPARATION MEMBRANES
- Publication number 20240390865
- Publication date Nov 28, 2024
- King Abdullah University of Science and Technology
- Stefan CHISCA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLY(SPIROBISINDANE-ARYL PIPERIDINIUM) COPOLYMER IONOMER, ANION EXC...
- Publication number 20240376266
- Publication date Nov 14, 2024
- IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
- Young Moo LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CLASS OF NITROGEN-CONTAINING HETEROCYCLIC POLYMERS, A CLASS OF POLY...
- Publication number 20240336737
- Publication date Oct 10, 2024
- WUHAN LIMO TECHNOLOGY CO., LTD
- Ming LI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYPYRROLE CERAMIC-POLYMERIC POROUS MEMBRANE FOR SEPARATING AN OIL...
- Publication number 20240299886
- Publication date Sep 12, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Umair BAIG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FO...
- Publication number 20240286089
- Publication date Aug 29, 2024
- TORAY ADVANCED MATERIALS KOREA INC.
- Jae Won Lim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DOUBLY POROUS MULTI-LAYER DESAL MEMBRANE
- Publication number 20240261739
- Publication date Aug 8, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Isam Hassan ALJUNDI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYSULFONE-SUPPORTED SEPARATION MEMBRANE
- Publication number 20240261738
- Publication date Aug 8, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Isam Hassan ALJUNDI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
CROSSFLOW DESALINATION DEVICE
- Publication number 20240216872
- Publication date Jul 4, 2024
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Isam Hassan ALJUNDI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROXYL-FUNCTIONALIZED CARDO-BASED POLYIMIDE MEMBRANES
- Publication number 20240150519
- Publication date May 9, 2024
- Saudi Arabian Oil Company
- Ali Hayek
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
High Temperature-Resistant Composite Nanofiltration Membrane And Pr...
- Publication number 20240100488
- Publication date Mar 28, 2024
- Hunan OVAY Technology Co., Ltd.
- Hui YU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ADSORBENT CARTRIDGE FOR OIL/WATER SEPARATION
- Publication number 20230285908
- Publication date Sep 14, 2023
- KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
- Isam H. ALJUNDI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
HIGH FREE VOLUME MEMBRANE FOR GAS SEPARATION
- Publication number 20230277980
- Publication date Sep 7, 2023
- Saudi Arabian Oil Company
- Junyan Yang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING A POLYELECTROLYTE COMPLEX MEMBRANE
- Publication number 20230182083
- Publication date Jun 15, 2023
- DWI - LEIBNIZ-INSTITUT FUR INERAKTIVE MATERIALIEN E.V.
- Stephan EMONDS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HIGH SELECTIVITY AND HIGH CO2 PLASTICIZATION RESISTANT POLYMERIC ME...
- Publication number 20230128376
- Publication date Apr 27, 2023
- UOP LLC
- Chunqing Liu
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
ZIF NANOPARTICLE CONTAINING TRI-LIGANDS, THE METHOD OF MANUFACTURIN...
- Publication number 20230123029
- Publication date Apr 20, 2023
- SOGANG UNIVERSITY RESEARCH & BUSINESS DEVELOPMENT FOUNDATION
- Jong Suk LEE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Porous Polybenzimidazole Membrane Supports for Composite Membranes
- Publication number 20230024915
- Publication date Jan 26, 2023
- Battelle Memorial Institute
- David Philip Hopkinson
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HYDROPHILIC MEMBRANES
- Publication number 20230017950
- Publication date Jan 19, 2023
- EMD Millipore Corporation
- Jijun GE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Hollow Fibre Membrane With Improved Separating Efficiency, And Prod...
- Publication number 20220410080
- Publication date Dec 29, 2022
- FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH
- Torsten KELLER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
NANOMEMBRANE AND FORMING METHOD THEREOF
- Publication number 20220387939
- Publication date Dec 8, 2022
- Seoul National University R&DB Foundation
- Dae-Hyeong KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME
- Publication number 20220362717
- Publication date Nov 17, 2022
- Fresenius Medical Care Holdings, Inc.
- Brodie SCHWINN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Polycondensates having nitrogen-containing heterocyclic rings in the main chain

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Polypyrrole ceramic-polymeric porous membrane for separating an oil...

Cross-linked polymeric membrane

Adsorbent cartridge for oil/water separation

Triazine-based membranes for gas separation

Hollow fibre membrane with improved separating efficiency, and prod...

All-nanoporous hybrid membranes comprising zeolites and metal-organ...

Porous hollow fiber membrane

Class of nitrogen-containing heterocyclic polymers, a class of poly...

Porous polybenzimidazole membrane supports for composite membranes

High free volume membrane for gas separation

Doubly porous multi-layer desal membrane

Polysulfone-supported separation membrane

Crossflow desalination device

Multi-layer membrane containing mixed polyamide selective layer and...

Intrinsically microporous ladder-type Tröger's base polymers

Compositions for use in the simultaneous removal of endotoxins and...

Functionalized poly(diallylpiperidinium) and its copolymers for use...

High free volume membrane for gas separation

Rice-husk derived silicon carbide membrane sorbent for oil removal

Hollow fibre membrane with improved separating efficiency, and prod...

Metal-organic framework filter and preparation method thereof

Polymeric materials for electrochemical cells and ion separation pr...

Imidazoles and imidazolium cations with exceptional alkaline stability

Separation membrane

Incubated platelet concentration module and method for producing pl...

Process for the production of solvent stable polymeric membranes

Layered semipermeable membrane

Block polymer and polymer electrolyte membrane including same

Composite membranes and applications thereof

Membrane

Patents Applicationslast 30 patents

Hollow Fiber Membranes and Preparation Method and Use Thereof

ALL-NANOPOROUS HYBRID MEMBRANES COMPRISING ZEOLITES AND METAL-ORGAN...

Boric Acid Purification Process

POLYPYRROLE-GRAPHITIC CARBON NITRIDE (PPY-G-C3N4) DECORATED POLYMER...

ARYL-BISIMIDAZOLIUM POLYMERS AND USES THEREOF

COPOLY(1,2,4-TRIAZOLE)S MEMBRANES FOR SOUR MIXED-GAS SEPARATION APP...

PHOTOCATALYTIC SELF-CLEANING POLYPYRROLE/TiO2-PVDF NANOCOMPOSITE BA...

Porous Polybenzimidazole Membrane Supports for Composite Membranes

POLYAMIDE-FUNCTIONALIZED SILICON CARBIDE (SIC) NANOPARTICLES-BASED...

SOLUTION PHASE POLYMER SYNTHESIS

THERMALLY CROSSLINKED POLYTRIAZOLE SEPARATION MEMBRANES

POLY(SPIROBISINDANE-ARYL PIPERIDINIUM) COPOLYMER IONOMER, ANION EXC...

CLASS OF NITROGEN-CONTAINING HETEROCYCLIC POLYMERS, A CLASS OF POLY...

POLYPYRROLE CERAMIC-POLYMERIC POROUS MEMBRANE FOR SEPARATING AN OIL...

SEPARATION MEMBRANE WITH EXCELLENT FOULING RESISTANCE AND METHOD FO...

DOUBLY POROUS MULTI-LAYER DESAL MEMBRANE

POLYSULFONE-SUPPORTED SEPARATION MEMBRANE

CROSSFLOW DESALINATION DEVICE

HYDROXYL-FUNCTIONALIZED CARDO-BASED POLYIMIDE MEMBRANES

High Temperature-Resistant Composite Nanofiltration Membrane And Pr...

ADSORBENT CARTRIDGE FOR OIL/WATER SEPARATION

HIGH FREE VOLUME MEMBRANE FOR GAS SEPARATION

METHOD FOR PRODUCING A POLYELECTROLYTE COMPLEX MEMBRANE

HIGH SELECTIVITY AND HIGH CO2 PLASTICIZATION RESISTANT POLYMERIC ME...

ZIF NANOPARTICLE CONTAINING TRI-LIGANDS, THE METHOD OF MANUFACTURIN...

Porous Polybenzimidazole Membrane Supports for Composite Membranes

HYDROPHILIC MEMBRANES

Hollow Fibre Membrane With Improved Separating Efficiency, And Prod...

NANOMEMBRANE AND FORMING METHOD THEREOF

POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME