Separation Purification

Industry

CPC
C07C253/34

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Parent Industries

CCHEMISTRY METALLURGY C07Organic chemistry C07CACYCLIC OR CARBOCYCLIC COMPOUNDS C07C253/00Preparation of carboxylic acid nitriles

Current Industry

C07C253/34Separation Purification

Industries

Patents Grantslast 30 patents

Information Patent Grant
Merocyanine crystallization process
- Patent number 12,157,716
- Issue date Dec 3, 2024
- BASF SE
- Barbara Winkler
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Acetonitrile separation process
- Patent number 11,976,025
- Issue date May 7, 2024
- Ascend Performance Materials Operations LLC
- Kyle Kissell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Acetonitrile purification process for ultrahigh performance liquid...
- Patent number 11,945,766
- Issue date Apr 2, 2024
- FTSCI (HUBEI) BIOTECH CO., LTD.
- Sheng Wen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for preparing C-H acidic (meth)acrylates
- Patent number 11,912,648
- Issue date Feb 27, 2024
- Evonik Operations GmbH
- Marcel Treskow
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying nitrile solvent
- Patent number 11,858,881
- Issue date Jan 2, 2024
- Nippon Soda Co., Ltd.
- Shota Saito
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing acrylonitrile dimer
- Patent number 11,845,711
- Issue date Dec 19, 2023
- LG Chem, Ltd.
- Wonseok Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cyanoacetates
- Patent number 11,827,584
- Issue date Nov 28, 2023
- Henkel AG & Co. KGaA
- Cormac Duffy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering acetonitrile
- Patent number 11,814,337
- Issue date Nov 14, 2023
- Ascend Performance Materials Operations LLC
- Kyle Kissell
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Tricyanohexane purification methods
- Patent number 11,780,804
- Issue date Oct 10, 2023
- Ascend Performance Materials Operations LLC
- Sanjay Dube
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method of 1-(4-aminophenyl)cyclopentanecarbonitrile
- Patent number 11,673,857
- Issue date Jun 13, 2023
- ZHEJIANG RONGYAO BIOTECH CO., LTD.
- Rener Chen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Tricyanohexane purification methods
- Patent number 11,560,353
- Issue date Jan 24, 2023
- Ascend Performance Materials Operations LLC
- Sanjay Dube
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for recycling heptafluoroisobutyronitrile
- Patent number 11,433,348
- Issue date Sep 6, 2022
- General Electric Technology GmbH
- Elodie Laruelle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering acetonitrile from acrylonitrile waste streams
- Patent number 11,111,209
- Issue date Sep 7, 2021
- Ascend Performance Materials Operations LLC
- Basil Michael
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for reducing CPI in a dinitrile stream
- Patent number 11,028,045
- Issue date Jun 8, 2021
- INV Nylon Chemicals Americas, LLC
- Chengbao Ni
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and system for transporting inventory items
- Patent number 10,990,088
- Issue date Apr 27, 2021
- Amazon Technologies, Inc.
- Peter R. Wurman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Process for the preparation of fluoroalkylnitriles and the correspo...
- Patent number 10,899,722
- Issue date Jan 26, 2021
- BAYER CROPSCIENCE AKTIENGESELLSCHAFT
- Albert Schnatterer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine comp...
- Patent number 10,870,626
- Issue date Dec 22, 2020
- F. Hoffman-La Roche AG
- Francis Gosselin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Porous chiral materials and uses thereof
- Patent number 10,857,517
- Issue date Dec 8, 2020
- Nankai University
- Shi-Yuan Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for preparing 2-(cyclohexenylidene) malonic acid derivatives...
- Patent number 10,836,777
- Issue date Nov 17, 2020
- ORIENTAL(LUZHOU) AGROCHEMICALS. CO., LTD.
- Yinwei Sun
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and system for transporting inventory items
- Patent number 10,809,706
- Issue date Oct 20, 2020
- Amazon Technologies, Inc.
- Peter R. Wurman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for separating materials by means of an extractive distillat...
- Patent number 10,793,494
- Issue date Oct 6, 2020
- BASF SE
- Norbert Asprion
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Separating a solvent from a nickel catalyst by distillation
- Patent number 10,759,741
- Issue date Sep 1, 2020
- Invista North America S.a r.l.
- Sudhir N. V. K. Aki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Quench column aftercooler
- Patent number 10,668,400
- Issue date Jun 2, 2020
- INEOS EUROPE AG
- Timothy Robert McDonel
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
High purity HCN from acrylonitrile co-production
- Patent number 10,647,663
- Issue date May 12, 2020
- INVISTA North America S.a.r.l.
- Benjamin D. Herzog
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Inhibiting CPI formation from adiponitrile
- Patent number 10,640,459
- Issue date May 5, 2020
- INVISTA North America S.a.r.l.
- William J. Tenn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Methods for multi-dose synthesis of [F-18]FDDNP for clinical settings
- Patent number 10,626,083
- Issue date Apr 21, 2020
- The Regents of the University of California
- Nagichettiar Satyamurthy
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Crystals of alanine N-acetic acid precursors, process to prepare th...
- Patent number 10,590,064
- Issue date Mar 17, 2020
- Nouryon Chemicals International B.V.
- Albertus Jacobus Maria Bouwman
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for improved reactive monomer production with membrane filtr...
- Patent number 10,532,320
- Issue date Jan 14, 2020
- Evonik Degussa GmbH
- Andrew Boam
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for resolution of citalopram intermediate 5-cyano diol
- Patent number 10,508,076
- Issue date Dec 17, 2019
- Zhejiang Huahai Pharmaceuticals Co., Ltd.
- Zunjun Liang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine comp...
- Patent number 10,457,648
- Issue date Oct 29, 2019
- Genentech Inc.
- Francis Gosselin
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF PREPARING PHTHALONITRILE-BASED COMPOUND
- Publication number 20240199536
- Publication date Jun 20, 2024
- KOREA KUMHO PETROCHEMICAL CO., LTD.
- Kee Yoon ROH
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PURIFYING AMINOCAPRONITRILE
- Publication number 20240150278
- Publication date May 9, 2024
- Ascend Performance Materials Operations LLC
- C. Alex Diaz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MANUFACTURE OF NITRILE COMPOUNDS
- Publication number 20240132444
- Publication date Apr 25, 2024
- NOURYON CHEMICALS INTERNATIONAL B.V.
- Eike Nicolas KANTZER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING HEXAMETHYLENEDIAMINE FROM CAPROLACTAM
- Publication number 20240124386
- Publication date Apr 18, 2024
- Ascend Performance Materials Operations LLC
- Mikhail I. Khramov
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING KEY INTERMEDIATES OF CITALOPRAM
- Publication number 20240092729
- Publication date Mar 21, 2024
- ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD.
- Jian ZHANG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Concentrating Raw Material Solution, and System for Conc...
- Publication number 20240050897
- Publication date Feb 15, 2024
- Asahi Kasei Kabushiki Kaisha
- Tomotaka Hashimoto
- C07 - ORGANIC CHEMISTRY
Information Patent Application
A METHOD FOR THE PURIFICATION OF ETHYLENE CYANOHYDRIN
- Publication number 20240034715
- Publication date Feb 1, 2024
- Evonik Operations GmbH
- Sebastian Bestgen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRICYANOHEXANE PURIFICATION METHODS
- Publication number 20230416192
- Publication date Dec 28, 2023
- Ascend Performance Materials Operations LLC
- Sanjay Dube
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE HYDROSILYLATION OF AN OLEFINIC NITRILE AND A HYDRIDO...
- Publication number 20230331664
- Publication date Oct 19, 2023
- Dow Silicones Corporation
- Evan Bergman
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ACETONITRILE PURIFICATION PROCESS FOR ULTRAHIGH PERFORMANCE LIQUID...
- Publication number 20230257340
- Publication date Aug 17, 2023
- FTSCI (HUBEI) SCIENCE AND TECHNOLOGY CO., LTD
- Sheng WEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
CIS-PARA-SUBSTITUTED CYCLOHEXYLAMINONITRILE SALT, PREPARATION METHO...
- Publication number 20230257341
- Publication date Aug 17, 2023
- HEBEI LANSHENG BIOTECH CO., LTD
- Qingchun GUO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF ACRYLONITRILE DIMER
- Publication number 20230219884
- Publication date Jul 13, 2023
- LG CHEM, LTD.
- Si Jung Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACETONITRILE SEPARATION PROCESS
- Publication number 20230192600
- Publication date Jun 22, 2023
- Ascend Performance Materials Operations LLC
- Pascal Bolomey
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF ANTITUMOUR PHARMACEUTICAL COMPOSITION...
- Publication number 20230130823
- Publication date Apr 27, 2023
- ANHANGUERA EDUCACIONAL PARTICIPAÇÕES S/A
- Anderson ORZARI RIBEIRO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING PURIFIED PHTHALONITRILE AND METHOD FOR PURIFYI...
- Publication number 20230111802
- Publication date Apr 13, 2023
- Mitsubishi Gas Chemical Company, Inc.
- Kuniaki MUNEYASU
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES OF MAKING 3-FLUORO-5-(((1S,2aR)-1,3,3,4,4-PENTAFLUORO-2a-...
- Publication number 20230115881
- Publication date Apr 13, 2023
- NiKang Therapeutics, Inc.
- Charles M. COOK
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR PREPARING PHTHALONITRILE-BASED COMPOUND
- Publication number 20230096729
- Publication date Mar 30, 2023
- KOREA KUMHO PETROCHEMICAL CO., LTD.
- Kee Yoon ROH
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ACETONITRILE PURIFICATION PROCESS FOR ULTRAHIGH PERFORMANCE LIQUID...
- Publication number 20230073691
- Publication date Mar 9, 2023
- FTSCI (HUBEI) BIOTECH CO., LTD.
- Sheng WEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ACRYLONITRILE DIMER
- Publication number 20230057964
- Publication date Feb 23, 2023
- LG CHEM, LTD.
- Wonseok KIM
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
IMPURITY FORMATION REDUCTION DURING PRODUCT REFINING
- Publication number 20230047439
- Publication date Feb 16, 2023
- INV NYLON CHEMICALS AMERICAS, LLC
- Benjamin David HERZOG
- C07 - ORGANIC CHEMISTRY
Information Patent Application
RECOVERY METHOD AND RECOVERY APPARATUS OF NITRILE-BASED MONOMER
- Publication number 20220348536
- Publication date Nov 3, 2022
- LG CHEM, LTD.
- Sang Cheol SHIN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PRODUCING ACRYLONITRILE DIMER
- Publication number 20220306571
- Publication date Sep 29, 2022
- LG CHEM, LTD.
- Sae Hume Park
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF PREPARING ACRYLONITRILE DIMER
- Publication number 20220298104
- Publication date Sep 22, 2022
- LG CHEM, LTD.
- Yu Jin AN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ACETONITRILE SEPARATION PROCESS
- Publication number 20220251030
- Publication date Aug 11, 2022
- Ascend Performance Materials Operations LLC
- Kyle Kissell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ACRYLONITRILE DIMER
- Publication number 20220204440
- Publication date Jun 30, 2022
- LG CHEM, LTD.
- Hyun Chul JUNG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION METHOD OF 1-(4-AMINOPHENYL)CYCLOPENTANECARBONITRILE
- Publication number 20220177420
- Publication date Jun 9, 2022
- Zhejiang Rongyao Biotech CO., LTD.
- Rener CHEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACETONITRILE SEPARATION PROCESS
- Publication number 20220073451
- Publication date Mar 10, 2022
- Ascend Performance Materials Operations LLC
- Kyle Kissell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR RECOVERING ACETONITRILE
- Publication number 20220064108
- Publication date Mar 3, 2022
- Ascend Performance Materials Operations LLC
- Kyle Kissell
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING CYANOACETATES
- Publication number 20220033349
- Publication date Feb 3, 2022
- Henkel IP & Holding GmbH
- Cormac Duffy
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PREPARING CYANOACETATES
- Publication number 20220033350
- Publication date Feb 3, 2022
- Henkel IP & Holding GmbH
- Cormac Duffy
- C07 - ORGANIC CHEMISTRY

Separation Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Merocyanine crystallization process

Acetonitrile separation process

Acetonitrile purification process for ultrahigh performance liquid...

Method for preparing C-H acidic (meth)acrylates

Method for purifying nitrile solvent

Method for preparing acrylonitrile dimer

Process for preparing cyanoacetates

Process for recovering acetonitrile

Tricyanohexane purification methods

Preparation method of 1-(4-aminophenyl)cyclopentanecarbonitrile

Tricyanohexane purification methods

Method and apparatus for recycling heptafluoroisobutyronitrile

Process for recovering acetonitrile from acrylonitrile waste streams

Process for reducing CPI in a dinitrile stream

Method and system for transporting inventory items

Process for the preparation of fluoroalkylnitriles and the correspo...

Process for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine comp...

Porous chiral materials and uses thereof

Method for preparing 2-(cyclohexenylidene) malonic acid derivatives...

Method and system for transporting inventory items

Method for separating materials by means of an extractive distillat...

Separating a solvent from a nickel catalyst by distillation

Quench column aftercooler

High purity HCN from acrylonitrile co-production

Inhibiting CPI formation from adiponitrile

Methods for multi-dose synthesis of [F-18]FDDNP for clinical settings

Crystals of alanine N-acetic acid precursors, process to prepare th...

Method for improved reactive monomer production with membrane filtr...

Method for resolution of citalopram intermediate 5-cyano diol

Process for preparing (cyclopentyl[d]pyrimidin-4-yl)piperazine comp...

Patents Applicationslast 30 patents

METHOD OF PREPARING PHTHALONITRILE-BASED COMPOUND

PROCESS FOR PURIFYING AMINOCAPRONITRILE

MANUFACTURE OF NITRILE COMPOUNDS

PROCESS FOR PRODUCING HEXAMETHYLENEDIAMINE FROM CAPROLACTAM

METHOD FOR PURIFYING KEY INTERMEDIATES OF CITALOPRAM

Method for Concentrating Raw Material Solution, and System for Conc...

A METHOD FOR THE PURIFICATION OF ETHYLENE CYANOHYDRIN

TRICYANOHEXANE PURIFICATION METHODS

METHOD FOR THE HYDROSILYLATION OF AN OLEFINIC NITRILE AND A HYDRIDO...

ACETONITRILE PURIFICATION PROCESS FOR ULTRAHIGH PERFORMANCE LIQUID...

CIS-PARA-SUBSTITUTED CYCLOHEXYLAMINONITRILE SALT, PREPARATION METHO...

PREPARATION METHOD OF ACRYLONITRILE DIMER

ACETONITRILE SEPARATION PROCESS

PROCESS FOR THE PRODUCTION OF ANTITUMOUR PHARMACEUTICAL COMPOSITION...

METHOD FOR PRODUCING PURIFIED PHTHALONITRILE AND METHOD FOR PURIFYI...

PROCESSES OF MAKING 3-FLUORO-5-(((1S,2aR)-1,3,3,4,4-PENTAFLUORO-2a-...

METHOD FOR PREPARING PHTHALONITRILE-BASED COMPOUND

ACETONITRILE PURIFICATION PROCESS FOR ULTRAHIGH PERFORMANCE LIQUID...

METHOD FOR PREPARING ACRYLONITRILE DIMER

IMPURITY FORMATION REDUCTION DURING PRODUCT REFINING

RECOVERY METHOD AND RECOVERY APPARATUS OF NITRILE-BASED MONOMER

METHOD OF PRODUCING ACRYLONITRILE DIMER

METHOD OF PREPARING ACRYLONITRILE DIMER

ACETONITRILE SEPARATION PROCESS

METHOD FOR PREPARING ACRYLONITRILE DIMER

PREPARATION METHOD OF 1-(4-AMINOPHENYL)CYCLOPENTANECARBONITRILE

ACETONITRILE SEPARATION PROCESS

PROCESS FOR RECOVERING ACETONITRILE

PROCESS FOR PREPARING CYANOACETATES

PROCESS FOR PREPARING CYANOACETATES