by azeotropic distillation

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CPC
C07C51/46

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CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides

Current Industry

C07C51/46by azeotropic distillation

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Aldehyde removal process for methanol carbonylation
- Patent number 12,162,830
- Issue date Dec 10, 2024
- Celanese International Corporation
- Peter Hanik
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for purifying (meth)acrylic acid
- Patent number 12,116,339
- Issue date Oct 15, 2024
- Arkema France
- Serge Tretjak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for linkage recovery of organic acid in aqueous organic acid...
- Patent number 11,667,597
- Issue date Jun 6, 2023
- GUANGZHOU YINNOVATOR BIOTECH CO., LTD.
- Ruizhe Zhang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of propionic acid from acrylic acid via azeotropic disti...
- Patent number 10,968,160
- Issue date Apr 6, 2021
- Eastman Chemical Company
- Craig Alan Hoyme
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing polymer-grade (meth)acrylic acid
- Patent number 10,961,179
- Issue date Mar 30, 2021
- Arkema France
- Michel Fauconet
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of long chain amino acids and dibasic acids
- Patent number 10,899,700
- Issue date Jan 26, 2021
- Vitaworks IP, LLC
- Songzhou Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing butadiene from butanediols
- Patent number 10,647,624
- Issue date May 12, 2020
- IFP Energies Nouvelles
- Nuno Pacheco
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making formic acid utilizing lower-boiling formate esters
- Patent number 10,570,081
- Issue date Feb 25, 2020
- Eastman Chemical Company
- Scott Donald Barnicki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for making formic acid utilizing higher-boiling formate esters
- Patent number 10,544,077
- Issue date Jan 28, 2020
- Eastman Chemical Company
- Scott Donald Barnicki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process system for separating chemicals, distillation column arrang...
- Patent number 10,441,897
- Issue date Oct 15, 2019
- Chempolis Oy
- Juha Tanskanen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of formic acid from methyltetrahydrofuran
- Patent number 10,407,373
- Issue date Sep 10, 2019
- Georgia-Pacific LLC
- Gerardus Wilhelmus Adrianus Hangx
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetic acid recovery from wood acetylation
- Patent number 10,370,321
- Issue date Aug 6, 2019
- Tricoya Technologies Ltd.
- Benjamin Thomas Painter
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of recovering (meth)acrylic acid
- Patent number 10,350,539
- Issue date Jul 16, 2019
- LG Chem, Ltd.
- Jong Hun Song
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the separation of long chain amino acids and dibasic acids
- Patent number 10,329,241
- Issue date Jun 25, 2019
- Vitaworks IP, LLC
- Songzhou Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the separation of long chain amino acids and dibasic acids
- Patent number 10,329,240
- Issue date Jun 25, 2019
- Vitaworks IP, LLC
- Songzhou Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the separation of long chain amino acids and dibasic acids
- Patent number 10,239,822
- Issue date Mar 26, 2019
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of organic acids from mixtures containing ammonium salts...
- Patent number 10,221,120
- Issue date Mar 5, 2019
- Arvind Mallinath Lali
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for stabilizing an oil-in-water or water-in-oil emulsion
- Patent number 10,202,550
- Issue date Feb 12, 2019
- EQUINOR ENERGY AS
- Jens Emil Vindstad
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the separation of long chain amino acids and dibasic acids
- Patent number 9,969,680
- Issue date May 15, 2018
- Vitaworks IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the purification of acetic acid and acrylic acid
- Patent number 9,944,582
- Issue date Apr 17, 2018
- Saudi Basic Industries Corporation
- Mustapha N. Karime
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the purification of acetic acid and acrylic acid
- Patent number 9,902,678
- Issue date Feb 27, 2018
- Saudi Basic Industries Corporation
- Mustapha N. Karime
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery method and recovery device for (meth) acrylic acid
- Patent number 9,902,679
- Issue date Feb 27, 2018
- LG Chem, Ltd.
- Sul Hee Yoo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the continuous dehydration of 3-hydroxypropionic acid to...
- Patent number 9,809,526
- Issue date Nov 7, 2017
- BASF SE
- Tim Blaschke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuous recovering (meth)acrylic acid and apparatus...
- Patent number 9,517,997
- Issue date Dec 13, 2016
- LG Chem, Ltd.
- Se-Won Baek
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Device and method for separating off water and recovering a carboxy...
- Patent number 9,334,222
- Issue date May 10, 2016
- Amtpacific Co., Ltd.
- Ki Joon Kang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for producing acrylic acids and acrylates
- Patent number 9,193,661
- Issue date Nov 24, 2015
- Celanese International Corporation
- Craig J. Peterson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating monochloroacetic acid and dichloroacetic aci...
- Patent number 9,187,400
- Issue date Nov 17, 2015
- Akzo Nobel Chemicals International B.V.
- Johannes Jozef Pragt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isolation of acrylic acid by means of a distillation column having...
- Patent number 9,156,768
- Issue date Oct 13, 2015
- Evonik Degussa GmbH
- Ralf Meier
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dehydration of acetic acid by azeotropic distillation in the produc...
- Patent number 9,149,736
- Issue date Oct 6, 2015
- INVISTA North America S.a.r.l.
- Alan Macpherson Ure
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for the production of acrylic acids and acrylates
- Patent number 9,120,743
- Issue date Sep 1, 2015
- Celanese International Corporation
- Craig J. Peterson
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR THE RECOVERY OF MONOPOTASSIUM GLUCARATE AND GLUCARIC ACID
- Publication number 20240391861
- Publication date Nov 28, 2024
- ALLIANCE FOR SUSTAINABLE ENERGY, LLC
- Hoon CHOI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHODS FOR SYNTHESIZING ANHYDROUS LACTIC ACID
- Publication number 20230348352
- Publication date Nov 2, 2023
- OTSUKA PHARMACEUTICAL CO., LTD.
- Prabhudas BODHURI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
REMOVAL OF ALDEHYDES IN ACETIC ACID PRODUCTION
- Publication number 20230257335
- Publication date Aug 17, 2023
- LyondellBasell Acetyls, LLC
- Shane J. Weber
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING NUCLEIC ACID OLIGOMER
- Publication number 20230167152
- Publication date Jun 1, 2023
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Yuki TANAKA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING (METH)ACRYLIC ACID
- Publication number 20230109749
- Publication date Apr 13, 2023
- Arkema France
- Serge TRETJAK
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ALDEHYDE REMOVAL PROCESS FOR METHANOL CARBONYLATION
- Publication number 20220185760
- Publication date Jun 16, 2022
- CELANESE INTERNATIONAL CORPORATION
- Peter HANIK
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PURIFICATION OF AQUEOUS SOLUTIONS CONTAINING FORMALDEHYDE AND USE O...
- Publication number 20210395107
- Publication date Dec 23, 2021
- Arkema France
- Serge Tretjak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process For The Separation Of Long Chain Amino Acids And Dibasic Acids
- Publication number 20200157041
- Publication date May 21, 2020
- VITAWORKS IP, LLC
- Songzhou Hu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SEPARATION OF PROPIONIC ACID FROM ACRYLIC ACID VIA AZEOTROPIC DISTI...
- Publication number 20200115312
- Publication date Apr 16, 2020
- Eastman Chemical Company
- Craig Alan Hoyme
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SYSTEMS AND METHODS FOR SEPARATING MIXTURES COMPRISING FLUOROCARBOX...
- Publication number 20190330380
- Publication date Oct 31, 2019
- Eastman Chemical Company
- Robert Lin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
A METHOD OF RECOVERING (METH)ACRYLIC ACID
- Publication number 20190083923
- Publication date Mar 21, 2019
- LG CHEM, LTD.
- Jong Hun SONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE SEPARATION OF LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS
- Publication number 20190002396
- Publication date Jan 3, 2019
- VITAWORKS IP, LLC
- Songzhou Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE SEPARATION OF LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS
- Publication number 20190002397
- Publication date Jan 3, 2019
- VITAWORKS IP, LLC
- Songzhou Hu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING ACETIC ACID
- Publication number 20180009732
- Publication date Jan 11, 2018
- DAICEL CORPORATION
- Masahiko SHIMIZU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACETIC ACID RECOVERY FROM WOOD ACETYLATION
- Publication number 20170204042
- Publication date Jul 20, 2017
- Tricoya Technologies Ltd
- Benjamin Thomas Painter
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
RECOVERY METHOD AND RECOVERY DEVICE FOR (METH) ACRYLIC ACID
- Publication number 20170158594
- Publication date Jun 8, 2017
- LG CHEM, LTD.
- Sul Hee YOO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for the Continuous Dehydration of 3-hydroxypropionic Acid to...
- Publication number 20170081268
- Publication date Mar 23, 2017
- BASF SE
- Tim Blaschke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR STABILIZING AN OIL-IN-WATER OR WATER-IN-OIL EMULSION
- Publication number 20160199803
- Publication date Jul 14, 2016
- STATOIL PETROLEUM AS
- Jens Emil Vindstad
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
PROCESS FOR THE SEPARATION OF FORMIC ACID FROM METHYLTETRAHYDROFURAN
- Publication number 20160107975
- Publication date Apr 21, 2016
- DSM IP Assets B. V.
- Gerardus Wilhelmus Adrianus HANGX
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PURIFICATION OF ACETIC ACID AND ACRYLIC ACID
- Publication number 20160075630
- Publication date Mar 17, 2016
- Saudi Basic Industries Corporation
- Mustapha N. KARIME
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic...
- Publication number 20150329462
- Publication date Nov 19, 2015
- The Procter & Gamble Company
- Jane Ellen Godlewski
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURE PLANT MOTHER LIQUOR SOLVENT EXTRACTION SYSTEM AND METHOD
- Publication number 20150315116
- Publication date Nov 5, 2015
- INVISTA TECHNOLOGIES S.A.R.L.
- Finbar Gerald MCDONNELL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR CONTINUOUS RECOVERING (METH)ACRYLIC ACID AND APPARATUS...
- Publication number 20150203431
- Publication date Jul 23, 2015
- LG CHEM, LTD.
- Se-Won Baek
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR SEPARATING OFF WATER AND RECOVERING A CARBOXY...
- Publication number 20140343320
- Publication date Nov 20, 2014
- AMTPACIFIC CO., LTD.
- Ki Joon Kang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND AN ARRANGEMENT FOR SEPARATING AT LEAST ONE CARBOXYLIC AC...
- Publication number 20140275581
- Publication date Sep 18, 2014
- TAMINCO FINLAND
- Esko Tirronen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEHYDRATION OF ACETIC ACID BY AZEOTROPIC DISTILLATION IN THE PRODUC...
- Publication number 20140166469
- Publication date Jun 19, 2014
- Alan Macpherson URE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes for Producing Acrylic Acids and Acrylates
- Publication number 20140128636
- Publication date May 8, 2014
- CELANESE INTERNATIONAL CORPORATION
- Craig J. Peterson
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURE PLANT MOTHER LIQUOR SOLVENT EXTRACTION SYSTEM AND METHOD
- Publication number 20140121406
- Publication date May 1, 2014
- INVISTA NORTH AMERICA S.A.R.L.
- Finbar Gerald McDONNELL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR SEPARATING MONOCHLOROACETIC ACID AND DICHLOROACETIC ACI...
- Publication number 20140121411
- Publication date May 1, 2014
- Akzo Nobel Chemicals International B.V.
- Mark Theodorus Gerardus Jongmans
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCING HEXAMETHYLENEDIAMINE (HMD), ADIPONITRILE (A...
- Publication number 20130324694
- Publication date Dec 5, 2013
- BIOAMBER S.A.S.
- Olan S. Fruchey
- C07 - ORGANIC CHEMISTRY

by azeotropic distillation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Aldehyde removal process for methanol carbonylation

Method for purifying (meth)acrylic acid

Method for linkage recovery of organic acid in aqueous organic acid...

Separation of propionic acid from acrylic acid via azeotropic disti...

Process for producing polymer-grade (meth)acrylic acid

Process for the separation of long chain amino acids and dibasic acids

Method for producing butadiene from butanediols

Process for making formic acid utilizing lower-boiling formate esters

Process for making formic acid utilizing higher-boiling formate esters

Process system for separating chemicals, distillation column arrang...

Process for the separation of formic acid from methyltetrahydrofuran

Acetic acid recovery from wood acetylation

Method of recovering (meth)acrylic acid

Process for the separation of long chain amino acids and dibasic acids

Process for the separation of long chain amino acids and dibasic acids

Process for the separation of long chain amino acids and dibasic acids

Separation of organic acids from mixtures containing ammonium salts...

Process for stabilizing an oil-in-water or water-in-oil emulsion

Process for the separation of long chain amino acids and dibasic acids

Method for the purification of acetic acid and acrylic acid

Method for the purification of acetic acid and acrylic acid

Recovery method and recovery device for (meth) acrylic acid

Method for the continuous dehydration of 3-hydroxypropionic acid to...

Process for continuous recovering (meth)acrylic acid and apparatus...

Device and method for separating off water and recovering a carboxy...

Processes for producing acrylic acids and acrylates

Process for separating monochloroacetic acid and dichloroacetic aci...

Isolation of acrylic acid by means of a distillation column having...

Dehydration of acetic acid by azeotropic distillation in the produc...

Integrated process for the production of acrylic acids and acrylates

Patents Applicationslast 30 patents

PROCESS FOR THE RECOVERY OF MONOPOTASSIUM GLUCARATE AND GLUCARIC ACID

METHODS FOR SYNTHESIZING ANHYDROUS LACTIC ACID

REMOVAL OF ALDEHYDES IN ACETIC ACID PRODUCTION

METHOD FOR PRODUCING NUCLEIC ACID OLIGOMER

METHOD FOR PURIFYING (METH)ACRYLIC ACID

ALDEHYDE REMOVAL PROCESS FOR METHANOL CARBONYLATION

PURIFICATION OF AQUEOUS SOLUTIONS CONTAINING FORMALDEHYDE AND USE O...

Process For The Separation Of Long Chain Amino Acids And Dibasic Acids

SEPARATION OF PROPIONIC ACID FROM ACRYLIC ACID VIA AZEOTROPIC DISTI...

SYSTEMS AND METHODS FOR SEPARATING MIXTURES COMPRISING FLUOROCARBOX...

A METHOD OF RECOVERING (METH)ACRYLIC ACID

PROCESS FOR THE SEPARATION OF LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS

PROCESS FOR THE SEPARATION OF LONG CHAIN AMINO ACIDS AND DIBASIC ACIDS

PROCESS FOR PRODUCING ACETIC ACID

ACETIC ACID RECOVERY FROM WOOD ACETYLATION

RECOVERY METHOD AND RECOVERY DEVICE FOR (METH) ACRYLIC ACID

Method for the Continuous Dehydration of 3-hydroxypropionic Acid to...

PROCESS FOR STABILIZING AN OIL-IN-WATER OR WATER-IN-OIL EMULSION

PROCESS FOR THE SEPARATION OF FORMIC ACID FROM METHYLTETRAHYDROFURAN

METHOD FOR THE PURIFICATION OF ACETIC ACID AND ACRYLIC ACID

Purification Of Bio Based Acrylic Acid To Crude And Glacial Acrylic...

PURE PLANT MOTHER LIQUOR SOLVENT EXTRACTION SYSTEM AND METHOD

PROCESS FOR CONTINUOUS RECOVERING (METH)ACRYLIC ACID AND APPARATUS...

DEVICE AND METHOD FOR SEPARATING OFF WATER AND RECOVERING A CARBOXY...

METHOD AND AN ARRANGEMENT FOR SEPARATING AT LEAST ONE CARBOXYLIC AC...

DEHYDRATION OF ACETIC ACID BY AZEOTROPIC DISTILLATION IN THE PRODUC...

Processes for Producing Acrylic Acids and Acrylates

PURE PLANT MOTHER LIQUOR SOLVENT EXTRACTION SYSTEM AND METHOD

PROCESS FOR SEPARATING MONOCHLOROACETIC ACID AND DICHLOROACETIC ACI...

PROCESSES FOR PRODUCING HEXAMETHYLENEDIAMINE (HMD), ADIPONITRILE (A...