Separation Purification Stabilisation Use of additives

Industry

CPC
C07C51/573

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

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

Current Industry

C07C51/573Separation Purification Stabilisation Use of additives

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Methods and systems for separating compounds
- Patent number 11,794,127
- Issue date Oct 24, 2023
- Sustainable Energy Solutions, Inc
- Larry Baxter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of halogenated carboxylic anhydrides
- Patent number 11,414,369
- Issue date Aug 16, 2022
- Solvay S.A.
- Heinz Rudi Feist
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for chemical separation of cannabinoids
- Patent number 11,351,476
- Issue date Jun 7, 2022
- AGRIFY CORPORATION
- Alex Goodnough
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Reduction of content of carboxylic acids and derivatives thereof in...
- Patent number 11,111,201
- Issue date Sep 7, 2021
- Solvay S.A.
- Jean-Marie Blaude
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for continuous dissolution of a solid in a reaction medium
- Patent number 11,027,245
- Issue date Jun 8, 2021
- Evonik Operations GmbH
- Dirk Bröll
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the co-production of acetic acid and acetic anhydride
- Patent number 10,988,432
- Issue date Apr 27, 2021
- Ineos Acetyls UK Limited
- Sean Anthony Hennigan
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of halogenated carboxylic anhydrides
- Patent number 10,927,063
- Issue date Feb 23, 2021
- Solvay S.A.
- Heinz Rudi Feist
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Recovery of wood acetylation fluid
- Patent number 10,166,694
- Issue date Jan 1, 2019
- Tricoya Technologies Ltd.
- Stephen John Benstead
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for the manufacture of carboxylic anhydride
- Patent number 10,106,485
- Issue date Oct 23, 2018
- Rhodia Acetow GmbH
- Thomas Krumrey
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Synthesis of (meth) acrylic anhydride by transanhydrization
- Patent number 9,969,670
- Issue date May 15, 2018
- Rhodia Operations
- Pierre Ardaud
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating high-boiling carboxylic acid vinyl ester/carb...
- Patent number 9,822,059
- Issue date Nov 21, 2017
- Wacker Chemie AG
- Peter Gigler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing levulinic acid using solid acid catalyst in pr...
- Patent number 9,682,912
- Issue date Jun 20, 2017
- Korea Institute of Industrial Technology
- Jin Ku Cho
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for processing variable acetyl streams
- Patent number 9,415,366
- Issue date Aug 16, 2016
- Eastman Chemical Company
- Gregory Abbott Wellman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Synthesis of (meth)acrylic anhydride by transanhydrization
- Patent number 9,266,811
- Issue date Feb 23, 2016
- Rhodia Operations
- Pierre Marcel Ardaud
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and system for purifying monomers
- Patent number 9,221,738
- Issue date Dec 29, 2015
- Evonik Rohm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing (meth)acrylic anhydride, method for storing (m...
- Patent number 8,710,262
- Issue date Apr 29, 2014
- Mitsubishi Rayon Co., Ltd.
- Ryuichi Ansai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for preparing acetic anhydride
- Patent number 8,653,303
- Issue date Feb 18, 2014
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing (meth)acrylic anhydride, method for storing (m...
- Patent number 8,586,791
- Issue date Nov 19, 2013
- Mitsubishi Rayon Co., Ltd.
- Ryuichi Ansai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separating off fumaric acid and other minor components...
- Patent number 8,476,463
- Issue date Jul 2, 2013
- BASF SE
- Gunther Windecker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for obtaining maleic anhydride by distillation
- Patent number 8,461,356
- Issue date Jun 11, 2013
- BASF SE
- Gunther Windecker
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying polymerizable compounds
- Patent number 8,337,671
- Issue date Dec 25, 2012
- Evonik Rohm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing (meth)acrylic anhydride
- Patent number 8,097,757
- Issue date Jan 17, 2012
- Arkema France
- Jean-Michel Paul
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of catalytic metals and promoter metals fro...
- Patent number 7,799,229
- Issue date Sep 21, 2010
- BP Chemicals Limited
- Andrew David Poole
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing phthalic anhydride that conforms to specificat...
- Patent number 7,619,098
- Issue date Nov 17, 2009
- BASF Aktiengesellschaft
- Werner Peschel
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of purifying dianhydrides
- Patent number 7,495,113
- Issue date Feb 24, 2009
- SABIC Innovative Plastics
- Eric James Pressman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for making polyetherimides
- Patent number 7,411,032
- Issue date Aug 12, 2008
- SABIC Innovative Plastics IP BV
- Albert Santo Stella
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
System to isolate dianhydrides
- Patent number 7,153,394
- Issue date Dec 26, 2006
- General Electric Company
- Thomas Link Guggenheim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetic anhydride, method of purifying crude acetic anhydride, and m...
- Patent number 6,987,201
- Issue date Jan 17, 2006
- Daicel Chemical Industries, Ltd.
- Seiji Nishioka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for purifying an organic solvent for the purposes of absorpt...
- Patent number 6,921,830
- Issue date Jul 26, 2005
- Ralf-Thomas Rahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Anhydride stabilization
- Patent number 6,730,810
- Issue date May 4, 2004
- Huntsman Petrochemical Corporation
- Henry C. Brown
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED PROCESS FOR GENERATING ACID ANHYDRIDES
- Publication number 20220371983
- Publication date Nov 24, 2022
- Hyconix, Inc.
- Johnathan Gorke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR DISTILLATIVE PURIFICATION OF UNSATURATED CARBOXYLIC ANH...
- Publication number 20220356142
- Publication date Nov 10, 2022
- Evonik Operations GmbH
- Steffen KRILL
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Methods and Systems for Separating Compounds
- Publication number 20210299591
- Publication date Sep 30, 2021
- Sustainable Energy Solutions, Inc.
- Larry Baxter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR CHEMICAL SEPARATION OF CANNABINOIDS
- Publication number 20210205732
- Publication date Jul 8, 2021
- Alex Goodnough
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR CONTINUOUS DISSOLUTION OF A SOLID IN A REACTION MEDIUM
- Publication number 20210146317
- Publication date May 20, 2021
- Evonik Operations GmbH
- Dirk Bröll
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE PREPARATION OF HALOGENATED CARBOXYLIC ANHYDRIDES
- Publication number 20210139403
- Publication date May 13, 2021
- SOLVAY S.A.
- Heinz Rudi FEIST
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the manufacture of carboxylic anhydride
- Publication number 20170327450
- Publication date Nov 16, 2017
- SOLVAY ACETOW GMBH
- Thomas KRUMREY
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
RECOVERY OF WOOD ACETYLATION FLUID
- Publication number 20170157793
- Publication date Jun 8, 2017
- Tricoya Technologies Ltd
- Stephen John Benstead
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
METHOD FOR SEPARATING HIGH-BOILING CARBOXYLIC ACID VINYL ESTER/CARB...
- Publication number 20170113998
- Publication date Apr 27, 2017
- Peter Gigler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYNTHESIS OF (METH) ACRYLIC ANHYDRIDE BY TRANSANHYDRIZATION
- Publication number 20160332949
- Publication date Nov 17, 2016
- RHODIA OPERATIONS
- Pierre ARDAUD
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF HALOGENATED CARBOXYLIC ANHYDRIDES
- Publication number 20160122273
- Publication date May 5, 2016
- SOLVAY SA
- Heinz Rudi FEIST
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS
- Publication number 20160016878
- Publication date Jan 21, 2016
- BP Chemicals Limited
- Sean Anthony HENNIGAN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Synthesis of (meth)acrylic anhydride by transanhydrization
- Publication number 20150203433
- Publication date Jul 23, 2015
- Pierre Marcel Ardaud
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Energy Recovery in Purifying Carboxylic Anhydride for M...
- Publication number 20150014150
- Publication date Jan 15, 2015
- Celanese Acetate LLC
- Denis G. Fallon
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEMS AND METHODS FOR PROCESSING VARIABLE ACETYL STREAMS
- Publication number 20140187812
- Publication date Jul 3, 2014
- Eastman Chemical Company
- Gregory Abbott Wellman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes For Purifying Acetic Anhydride and Method of Making Same
- Publication number 20140066653
- Publication date Mar 6, 2014
- CELANESE INTERNATIONAL CORPORATION
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING (METH)ACRYLIC ANHYDRIDE, METHOD FOR STORING (M...
- Publication number 20140005435
- Publication date Jan 2, 2014
- Mitsubishi Rayon Co., Ltd.
- Ryuichi ANSAI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Processes for Preparing Acetic Anhydride
- Publication number 20130197267
- Publication date Aug 1, 2013
- Celanese International Corporation
- R. Jay Warner
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND SYSTEM FOR PURIFYING MONOMERS
- Publication number 20120000764
- Publication date Jan 5, 2012
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING (METH)ACRYLIC ANHYDRIDE, METHOD FOR STORING (M...
- Publication number 20110137072
- Publication date Jun 9, 2011
- Mitsubishi Rayon Co. Ltd.
- Ryuichi Ansai
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR SEPARATING OFF FUMARIC ACID AND OTHER MINOR COMPONENTS...
- Publication number 20110021789
- Publication date Jan 27, 2011
- BASF SE
- Gunther Windecker
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING (METH)ACRYLIC ANHYDRIDE
- Publication number 20100317892
- Publication date Dec 16, 2010
- Arkema France
- Jean-Michel Paul
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR OBTAINING MALEIC ANHYDRIDE BY DISTILLATION
- Publication number 20100113805
- Publication date May 6, 2010
- BASF SE
- Gunther Windecker
- C07 - ORGANIC CHEMISTRY
Information Patent Application
IMPROVED METHOD FOR THE PRODUCTION OF UNSATURATED CARBOXYLIC ACID A...
- Publication number 20100069666
- Publication date Mar 18, 2010
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ANHYDRIDE
- Publication number 20090234161
- Publication date Sep 17, 2009
- Arkema France
- Jean-Michel Paul
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS
- Publication number 20090166176
- Publication date Jul 2, 2009
- Evonik Roehm GmbH
- Dirk Broell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREVENTING FUMARIC ACID DEPOSITS IN THE PRODUCTION OF MA...
- Publication number 20090143601
- Publication date Jun 4, 2009
- BASF SE
- Rolf Pinkos
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the Removal of Catalytic Metals and Promoter Metals fro...
- Publication number 20080230481
- Publication date Sep 25, 2008
- BP Chemicals Limited
- Andrew David Poole
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Producing Phthalic Anhydride that Conforms to Specificat...
- Publication number 20080207925
- Publication date Aug 28, 2008
- BASF Aktiengesellschaft
- Werner Peschel
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for making polyetherimides
- Publication number 20070073035
- Publication date Mar 29, 2007
- GENERAL ELECTRIC COMPANY
- Albert Santo Stella
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Separation Purification Stabilisation Use of additives

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and systems for separating compounds

Process for the preparation of halogenated carboxylic anhydrides

Method for chemical separation of cannabinoids

Reduction of content of carboxylic acids and derivatives thereof in...

Process for continuous dissolution of a solid in a reaction medium

Process for the co-production of acetic acid and acetic anhydride

Process for the preparation of halogenated carboxylic anhydrides

Recovery of wood acetylation fluid

Process for the manufacture of carboxylic anhydride

Synthesis of (meth) acrylic anhydride by transanhydrization

Method for separating high-boiling carboxylic acid vinyl ester/carb...

Method for preparing levulinic acid using solid acid catalyst in pr...

Systems and methods for processing variable acetyl streams

Synthesis of (meth)acrylic anhydride by transanhydrization

Method and system for purifying monomers

Method for producing (meth)acrylic anhydride, method for storing (m...

Processes for preparing acetic anhydride

Method for producing (meth)acrylic anhydride, method for storing (m...

Process for separating off fumaric acid and other minor components...

Process for obtaining maleic anhydride by distillation

Method for purifying polymerizable compounds

Method for preparing (meth)acrylic anhydride

Process for the removal of catalytic metals and promoter metals fro...

Method for producing phthalic anhydride that conforms to specificat...

Method of purifying dianhydrides

Method for making polyetherimides

System to isolate dianhydrides

Acetic anhydride, method of purifying crude acetic anhydride, and m...

Method for purifying an organic solvent for the purposes of absorpt...

Anhydride stabilization

Patents Applicationslast 30 patents

INTEGRATED PROCESS FOR GENERATING ACID ANHYDRIDES

PROCESS FOR DISTILLATIVE PURIFICATION OF UNSATURATED CARBOXYLIC ANH...

Methods and Systems for Separating Compounds

METHOD FOR CHEMICAL SEPARATION OF CANNABINOIDS

PROCESS FOR CONTINUOUS DISSOLUTION OF A SOLID IN A REACTION MEDIUM

PROCESS FOR THE PREPARATION OF HALOGENATED CARBOXYLIC ANHYDRIDES

Process for the manufacture of carboxylic anhydride

RECOVERY OF WOOD ACETYLATION FLUID

METHOD FOR SEPARATING HIGH-BOILING CARBOXYLIC ACID VINYL ESTER/CARB...

SYNTHESIS OF (METH) ACRYLIC ANHYDRIDE BY TRANSANHYDRIZATION

PROCESS FOR THE PREPARATION OF HALOGENATED CARBOXYLIC ANHYDRIDES

PROCESS

Synthesis of (meth)acrylic anhydride by transanhydrization

Process for Energy Recovery in Purifying Carboxylic Anhydride for M...

SYSTEMS AND METHODS FOR PROCESSING VARIABLE ACETYL STREAMS

Processes For Purifying Acetic Anhydride and Method of Making Same

METHOD FOR PRODUCING (METH)ACRYLIC ANHYDRIDE, METHOD FOR STORING (M...

Processes for Preparing Acetic Anhydride

METHOD AND SYSTEM FOR PURIFYING MONOMERS

METHOD FOR PRODUCING (METH)ACRYLIC ANHYDRIDE, METHOD FOR STORING (M...

PROCESS FOR SEPARATING OFF FUMARIC ACID AND OTHER MINOR COMPONENTS...

METHOD FOR PREPARING (METH)ACRYLIC ANHYDRIDE

PROCESS FOR OBTAINING MALEIC ANHYDRIDE BY DISTILLATION

IMPROVED METHOD FOR THE PRODUCTION OF UNSATURATED CARBOXYLIC ACID A...

METHOD FOR THE PRODUCTION OF (METH)ACRYLIC ANHYDRIDE

METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS

METHOD FOR PREVENTING FUMARIC ACID DEPOSITS IN THE PRODUCTION OF MA...

Process for the Removal of Catalytic Metals and Promoter Metals fro...

Method for Producing Phthalic Anhydride that Conforms to Specificat...

Method for making polyetherimides