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Fractional distillation or use of a fractionation or rectification column
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Physical, chemical processing
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SEPARATION
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Distillation or related exchange processes in which liquids are contacted with gaseous media
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Fractional distillation or use of a fractionation or rectification column
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last 30 patents
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Patent Grant
Process and apparatus for converting polymers into products
Patent number
12,286,592
Issue date
Apr 29, 2025
Mura Technology Limited
Richard Daley
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process for purification of products
Patent number
12,275,691
Issue date
Apr 15, 2025
LanzaTech, Inc.
Ralph Gillespie
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Processes for aromatization of naphtha isoparaffins
Patent number
12,264,130
Issue date
Apr 1, 2025
Saudi Arabian Oil Company
Emad Naji Al-Shafei
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
System and method for producing a sugar stream with front end oil s...
Patent number
12,258,602
Issue date
Mar 25, 2025
Fluid Quip Technologies, LLC
Neal Jakel
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Patent Grant
Method for purifying hydrogen peroxide
Patent number
12,258,268
Issue date
Mar 25, 2025
OCI Company Ltd
Deokyun Kim
C01 - INORGANIC CHEMISTRY
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Patent Grant
Composition containing highly unsaturated fatty acid or alkyl ester...
Patent number
12,258,537
Issue date
Mar 25, 2025
NISSUI CORPORATION
Nobushige Doisaki
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method and apparatus for selective alcohol upgrading
Patent number
12,252,462
Issue date
Mar 18, 2025
AIR COMPANY HOLDINGS, INC.
Stafford W. Sheehan
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Azeotropic or azeotropic-like composition comprising hydrogen fluor...
Patent number
12,251,590
Issue date
Mar 18, 2025
Daikin Industries, Ltd.
Kazuhiro Takahashi
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Stripping device and stripping method
Patent number
12,251,652
Issue date
Mar 18, 2025
LG Chem, Ltd.
Seong Hun Kim
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Bioreactors with integrated catalytic nitrogen fixation
Patent number
12,247,194
Issue date
Mar 11, 2025
Oakbio, Inc.
Brian Sefton
C01 - INORGANIC CHEMISTRY
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System and method for distillation
Patent number
12,246,274
Issue date
Mar 11, 2025
PRAJ INDUSTRIES LIMITED
Ghansham Baburao Deshpande
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Systems and methods for production and separation of hydrogen and c...
Patent number
12,240,758
Issue date
Mar 4, 2025
8 Rivers Capital, LLC
Mohammad Rafati
C01 - INORGANIC CHEMISTRY
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Suspension process for preparing ethylene polymers comprising work-...
Patent number
12,240,923
Issue date
Mar 4, 2025
Basell Polyolefine GmbH
Peter Rohrbach
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Energy saving and emission reduction system for chemical separation...
Patent number
12,233,362
Issue date
Feb 25, 2025
Qunsheng Li
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Naphtha catalytic cracking process
Patent number
12,234,415
Issue date
Feb 25, 2025
SABIC GLOBAL TECHNOLOGIES B.V.
Talal Khaled Al-Shammari
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Grant
Carbon dioxide recycle stream processing with ethylene glycol dehyd...
Patent number
12,234,421
Issue date
Feb 25, 2025
Pilot Intellectual Property, LLC
Eric Prim
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Systems and methods for reforming a heavy aromatic stream
Patent number
12,221,407
Issue date
Feb 11, 2025
Virent, Inc.
Paul G. Blommel
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method and system for producing a protein and fiber feed product fr...
Patent number
12,213,497
Issue date
Feb 4, 2025
Fluid Quip Technologies, LLC
Neal Jakel
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Desulfurization techniques
Patent number
12,215,285
Issue date
Feb 4, 2025
Albert S. Vam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method for separating polybutene
Patent number
12,202,924
Issue date
Jan 21, 2025
LG Chem, Ltd.
Woo Sung Hwang
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Systems and methods for purging an isolation valve with a liquid pu...
Patent number
12,203,038
Issue date
Jan 21, 2025
Delta Valve, LLC
Filiberto Jimenez
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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Patent Grant
Screening assembly and process for screening polymer from an efflue...
Patent number
12,194,398
Issue date
Jan 14, 2025
Borealis AG
Henry Sleijster
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method and device for preparing ultrathin metal lithium foil
Patent number
12,195,824
Issue date
Jan 14, 2025
SHENZHEN YANYI NEW MATERIALS CO., LTD.
Kai Yang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Process for the production of 1,4-butanediol from renewable sources...
Patent number
12,195,420
Issue date
Jan 14, 2025
Novamont S.p.A.
Marco Cotti Comettini
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Process to prepare Fischer-Tropsch derived middle distillates and b...
Patent number
12,195,681
Issue date
Jan 14, 2025
SHELL USA, INC.
Edward Julius Creyghton
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Use of divided wall technology to produce high purity methanol
Patent number
12,180,129
Issue date
Dec 31, 2024
Lummus Technology LLC
Rosette Barias
C07 - ORGANIC CHEMISTRY
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Patent Grant
Dividing wall column separator with intensified separations
Patent number
12,172,110
Issue date
Dec 24, 2024
ExxonMobil Research and Engineering Company
Narasimhan Sundaram
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Method and apparatus for manufacturing nitrogen tetroxide
Patent number
12,172,890
Issue date
Dec 24, 2024
VERO Biotech Inc.
David H. Fine
C01 - INORGANIC CHEMISTRY
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Patent Grant
Ethylene oligomerization plant for producing alpha-olefins
Patent number
12,168,213
Issue date
Dec 17, 2024
IFP Energies Nouvelles
Cyprien Charra
C07 - ORGANIC CHEMISTRY
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Patent Grant
Filtering device, purification device, and method for manufacturing...
Patent number
12,161,973
Issue date
Dec 10, 2024
FUJIFILM Corporation
Tetsuya Kamimura
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
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Patent Application
Method for producing mixtures containing 2-(2-hydroxyethyl)-piperid...
Publication number
20250135374
Publication date
May 1, 2025
SALTIGO GMBH
Reinhard Langer
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
GEOTHERMALLY DRIVEN AMMONIA PRODUCTION
Publication number
20250136457
Publication date
May 1, 2025
EnhancedGEO Holdings, LLC
Greg Lindberg
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Patent Application
DESULFURIZATION TECHNIQUES
Publication number
20250129301
Publication date
Apr 24, 2025
University of Dayton
Albert S. Vam
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
METHOD FOR PURIFYING ANTIMONY CHLORIDE SOLUTION THROUGH ARSENIC REM...
Publication number
20250122091
Publication date
Apr 17, 2025
Zhejiang University of technology
Guoqu ZHENG
C01 - INORGANIC CHEMISTRY
Information
Patent Application
SEPARATION METHOD FOR A MIXTURE COMPRISING A SOLVENT AND C4 OR HIGH...
Publication number
20250122134
Publication date
Apr 17, 2025
Hanwha TotalEnergies Petrochemical Co.,Ltd.
Young Hoon SOHN
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
A SYSTEM AND METHOD FOR DISTILLATION
Publication number
20250114723
Publication date
Apr 10, 2025
PRAJ INDUSTRIES LIMITED
Ghansham Baburao DESHPANDE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESSES FOR PRODUCING HYDROGEN
Publication number
20250115476
Publication date
Apr 10, 2025
Saudi Arabian Oil Company
Omer Refa Koseoglu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
DIRECT RECTIFICATION OF MOLECULAR SIEVE REGENERANT AND METHOD OF US...
Publication number
20250109364
Publication date
Apr 3, 2025
IntegroEnergy Technologies LLC
Daniel W. Sonnek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
GREEN AMMONIA ABSORPTION COOLING
Publication number
20250100892
Publication date
Mar 27, 2025
Topsoe A/S
Lari Bjerg KNUDSEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Bioreactors with Integrated Catalytic Nitrogen Fixation
Publication number
20250101365
Publication date
Mar 27, 2025
OAKBIO, INC.
Brian Sefton
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHODS FOR CONVERTING C2+ OLEFINS TO HIGHER NUMBER OLEFINS USEFUL...
Publication number
20250101325
Publication date
Mar 27, 2025
ExxonMobil Technology and Engineering Company
Matthew J. Vincent
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
HEAT TREATMENT PRODUCT BY PROCESS FOR INCREASED PITCH YIELDS
Publication number
20250092315
Publication date
Mar 20, 2025
Koppers Delaware, Inc.
Michael Bech Malmqvist
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
CONVERTING SUPER LIGHT CRUDES, EXTRA LIGHT CRUDES, AND CONDENSATES...
Publication number
20250092322
Publication date
Mar 20, 2025
Lummus Technology LLC
Ujjal K. Mukherjee
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESS FOR THE PRODUCTION OF 1,4-BUTANEDIOL FROM RENEWABLE SOURCES...
Publication number
20250091973
Publication date
Mar 20, 2025
Novamont S.p.A.
Marco COTTI COMETTINI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PRODUCTION OF SYNTHETIC HYDROCARBONS
Publication number
20250091905
Publication date
Mar 20, 2025
Arcadia eFuels US Inc.
Jeroen Harrie Moors
F28 - HEAT EXCHANGE IN GENERAL
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Patent Application
USE OF DIVIDED WALL TECHNOLOGY TO PRODUCE HIGH PURITY METHANOL
Publication number
20250084013
Publication date
Mar 13, 2025
Lummus Technology LLC
Rosette Barias
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
Method and Apparatus for the Pyrolysis of Polymers
Publication number
20250084314
Publication date
Mar 13, 2025
Front Row Engineering Ltd
Gavin Duffy
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
SYSTEMS AND METHOD FOR RETROFITTING BROWNFIELD PLANTS
Publication number
20250083116
Publication date
Mar 13, 2025
NiQuan Energy, LLC
Ainsley Gill
C01 - INORGANIC CHEMISTRY
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Patent Application
INTEGRATED SLURRY PHASE HYDROCRACKING PROCESS TO PRODUCE CHEMICALS
Publication number
20250084324
Publication date
Mar 13, 2025
Saudi Aramco Technologies Company
Omer Refa KOSEOGLU
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Application
PRODUCTION OF ETHANOL WITH ONE OR MORE CO-PRODUCTS IN YEAST
Publication number
20250075235
Publication date
Mar 6, 2025
BRASKEM S.A
Felipe GALZERANI
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
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Patent Application
ALDEHYDE REMOVAL PROCESS FOR METHANOL CARBONYLATION
Publication number
20250066281
Publication date
Feb 27, 2025
CELANESE INTERNATIONAL CORPORATION
Peter HANIK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PROCESS FOR REMOVING IMPURITIES FROM VEGETABLE OIL
Publication number
20250066689
Publication date
Feb 27, 2025
Cargill, Incorporated
Falk BRÜSE
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESSES FOR RECOVERING LPG FROM A REFORMING-ZONE EFFLUENT
Publication number
20250058269
Publication date
Feb 20, 2025
UOP LLC
Srinivasan Ramanujam
C01 - INORGANIC CHEMISTRY
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Patent Application
SYSTEM FOR SEPARATING GAS
Publication number
20250050239
Publication date
Feb 13, 2025
CRI, ehf
Emeric SARRON
C01 - INORGANIC CHEMISTRY
Information
Patent Application
INTEGRATED PLANT AND PROCESS FOR THE PRODUCTION OF METHANOL FROM CA...
Publication number
20250041816
Publication date
Feb 6, 2025
BASF SE
Susanne BRITZIUS
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR SEPARATING A HYDROCARBON-CONTAINING FEEDSTOCK...
Publication number
20250041758
Publication date
Feb 6, 2025
THYSSENKRUPP UHDE GMBH
Michael KLEIBER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHOD AND DEVICE FOR SEPARATING A HYDROCARBON-CONTAINING FEEDSTOCK...
Publication number
20250034464
Publication date
Jan 30, 2025
THYSSENKRUPP UHDE GMBH
Michael KLEIBER
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
PURIFICATION PROCESS OF ORGANIC SOLVENT
Publication number
20250034067
Publication date
Jan 30, 2025
DONGWOO FINE-CHEM CO., LTD
Hwan-Min KIM
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR HYDROFORMYLATION OF DIISOBUTENE AND A C4 TO C7 OLEFIN
Publication number
20250026704
Publication date
Jan 23, 2025
Evonik Oxeno GmbH & Co. KG
Peter KUCMIERCZYK
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Application
METHOD FOR CONVERTING ONE OR MORE HYDROCARBONS, AND A CATALYST USED...
Publication number
20250026707
Publication date
Jan 23, 2025
NEWCHEM21, INC.
Sagar GADEWAR
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL