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CPC
C01B7/196

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B7/00Halogens Halogen acids

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C01B7/196by distillation

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Azeotrope-like composition containing 1,2-difluoroethylene or 1,1,2...
- Patent number 12,036,491
- Issue date Jul 16, 2024
- Daikin Industries, Ltd.
- Kazuhiro Takahashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Converting fluorinated materials into anhydrous hydrogen fluoride
- Patent number 11,905,178
- Issue date Feb 20, 2024
- 3M Innovative Properties Company
- Markus E. Hirschberg
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods for graded utilization of fluorine and silicon resources in...
- Patent number 11,891,344
- Issue date Feb 6, 2024
- CHTEM LIMITED
- Xiaowei Quan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Integrated processes for treatment of an ammonium fluorosulfate byp...
- Patent number 11,772,967
- Issue date Oct 3, 2023
- Honeywell International Inc.
- Bernard E. Pointner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing fluoride from a zinc-containing solution or sus...
- Patent number 11,512,368
- Issue date Nov 29, 2022
- Montanuniversität Leoben
- Fritz Ludewig
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydrogen fluoride from its aqueous solutions
- Patent number 11,155,464
- Issue date Oct 26, 2021
- NEW CHEMICAL PRODUCTS LLC
- Dmitrij Stanislavovich Pashkevich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing chloropropene and method for producing 2,3,3,3...
- Patent number 10,173,952
- Issue date Jan 8, 2019
- Daikin Industries, Ltd.
- Tatsuya Takakuwa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purification of hydrofluoric acid including obtaining a...
- Patent number 9,896,334
- Issue date Feb 20, 2018
- Mexichem Fluor, Sociedad Anonima de Capical Variable
- Iris Samantha Duran Castillo
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of recycling hydrochloric and hydrofluoric acid effluent
- Patent number 9,783,427
- Issue date Oct 10, 2017
- Arkema France
- Pascal Dufour
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Processes for separation of fluoroolefins from hydrogen fluoride by...
- Patent number 9,000,238
- Issue date Apr 7, 2015
- E I du Pont de Nemours and Company
- Jeffrey P. Knapp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification method of 2,3,3,3-tetrafluoropropene
- Patent number 8,900,417
- Issue date Dec 2, 2014
- Daikin Industries, Ltd.
- Takehiro Chaki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of R-1233 from hydrogen fluoride
- Patent number 8,735,636
- Issue date May 27, 2014
- Arkema Inc.
- John A. Wismer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrogen fluoride-HFC-254eb azeotrope and its uses
- Patent number 8,486,293
- Issue date Jul 16, 2013
- E I du Pont de Nemours and Company
- Jeffrey P. Knapp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for production and purification of hydrofluoroolefins
- Patent number 8,399,723
- Issue date Mar 19, 2013
- E I du Pont de Nemours and Company
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Processes for separation of fluoroolefins from hydrogen fluoride by...
- Patent number 8,273,928
- Issue date Sep 25, 2012
- E I du Pont de Nemours and Company
- Jeffrey P. Knapp
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for processing an etching mixture which is formed during the...
- Patent number 7,922,876
- Issue date Apr 12, 2011
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for production of azeotrope compositions comprising hydrofl...
- Patent number 7,897,823
- Issue date Mar 1, 2011
- E. I. Du Pont de Nemours and Company
- Ralpha Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
HF alkylation process with acid regeneration
- Patent number 7,847,142
- Issue date Dec 7, 2010
- ExxonMobil Research and Engineering Company
- Jeffrey M. Fitt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydr...
- Patent number 7,781,626
- Issue date Aug 24, 2010
- Honeywell International Inc.
- Hang T. Pham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separation of a mixture comprising at least one hydrofl...
- Patent number 7,566,809
- Issue date Jul 28, 2009
- Solvay SA
- Alain Lambert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hy...
- Patent number 7,476,771
- Issue date Jan 13, 2009
- E. I. du Pont de Nemours Company
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and...
- Patent number 7,423,188
- Issue date Sep 9, 2008
- E. I. Du Pont de Nemours and Company
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and...
- Patent number 7,388,117
- Issue date Jun 17, 2008
- E. I. Du Pont de Nemours and Company
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydr...
- Patent number 7,361,795
- Issue date Apr 22, 2008
- Honeywell International, Inc.
- Hang T. Pham
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrofluoric acid wastewater treatment method and device
- Patent number 7,311,799
- Issue date Dec 25, 2007
- Sasakura Engineering Co., Ltd.
- Junji Mizutani
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for the separation of a mixture comprising at least one hyd...
- Patent number 7,223,892
- Issue date May 29, 2007
- Solvay S.A.
- Alain Lambert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope-like compositions of iodine heptafluoride and hydrogen fl...
- Patent number 7,141,094
- Issue date Nov 28, 2006
- Honeywell International Inc.
- Matthew H. Luly
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of a mixture comprising at least one hyd...
- Patent number 7,074,434
- Issue date Jul 11, 2006
- Solvay (Societe Anonyme)
- Alain Lambert
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the reduction or elimination of NH3/HF byproduct in the...
- Patent number 6,790,428
- Issue date Sep 14, 2004
- Air Products and Chemicals, Inc.
- Athanasios Tsirukis
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removal of hydrogen fluoride
- Patent number 6,676,809
- Issue date Jan 13, 2004
- Daikin Industries Ltd.
- Takehide Tsuda
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR PURIFYING ULTRA-HIGH PURITY HYDROGEN FLUORIDE
- Publication number 20240239656
- Publication date Jul 18, 2024
- RAM TECHNOLOGY CO., LTD.
- June-Ing KIL
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CONVERTING FLUORINATED MATERIALS INTO ANHYDROUS HYDROGEN FLUORIDE
- Publication number 20240002228
- Publication date Jan 4, 2024
- 3M Innovative Properties Company
- Markus E. Hirschberg
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS FOR GRADED UTILIZATION OF FLUORINE AND SILICON RESOURCES IN...
- Publication number 20230339822
- Publication date Oct 26, 2023
- CHTEM LIMITED
- Xiaowei QUAN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ELECTRONIC GRADE INORGANIC ACIDS FROM WASTE AC...
- Publication number 20230118652
- Publication date Apr 20, 2023
- GREEN FINE TECHNOLOGY CORP.
- Ching-Jung KAN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
INTEGRATED PROCESSES FOR TREATMENT OF AN AMMONIUM FLUOROSULFATE BYP...
- Publication number 20220212929
- Publication date Jul 7, 2022
- Honeywell International Inc.
- Bernard E. Pointner
- C01 - INORGANIC CHEMISTRY
Information Patent Application
AZEOTROPE-LIKE COMPOSITION CONTAINING 1,2-DIFLUOROETHYLENE OR 1,1,2...
- Publication number 20210346820
- Publication date Nov 11, 2021
- DAIKIN INDUSTRIES, LTD.
- Kazuhiro TAKAHASHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING HYDROGEN FLUORIDE FROM ITS AQUEOUS SOLUTIONS
- Publication number 20210221680
- Publication date Jul 22, 2021
- Dmitrij Stanislavovich Pashkevich
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR REMOVING FLUORIDE FROM A ZINC-CONTAINING SOLUTION OR SUS...
- Publication number 20200032371
- Publication date Jan 30, 2020
- Montanuniversitat Leoben
- Fritz LUDEWIG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROP...
- Publication number 20190352242
- Publication date Nov 21, 2019
- HONEYWELL INTERNATIONAL INC.
- Yuon Chiu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING CHLOROPROPENE AND METHOD FOR PRODUCING 2,3,3,3...
- Publication number 20170217859
- Publication date Aug 3, 2017
- DAIKIN INDUSTRIES, LTD.
- Tatsuya TAKAKUWA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PURIFICATION OF HYDROFLUORIC ACID INCLUDING OBTAINING A...
- Publication number 20160176711
- Publication date Jun 23, 2016
- Mexichem Fluor, Sociedad Anonima de Capital Variable
- Iris Samantha DURÁN CASTILLO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PURIFICATION METHOD OF 2,3,3,3-TETRAFLUOROPROPENE
- Publication number 20130105296
- Publication date May 2, 2013
- DAIKIN INDUSTRIES, LTD.
- Takehiro Chaki
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR SEPARATION OF FLUOROOLEFINS FROM HYDROGEN FLUORIDE BY...
- Publication number 20120305382
- Publication date Dec 6, 2012
- E I DU PONT DE NEMOURS AND COMPANY
- Jeffrey P. KNAPP
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Production Method Of Trans-1,3,3,3-Tetrafluoropropene
- Publication number 20120123172
- Publication date May 17, 2012
- Central Glass Company, Limited
- Yasuo Hibino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
SEPARATION OF R-1233 FROM HYDROGEN FLUORIDE
- Publication number 20120010449
- Publication date Jan 12, 2012
- John A. Wismer
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS
- Publication number 20120004475
- Publication date Jan 5, 2012
- E.I. du Pont de Nemours and Company
- RALPH NEWTON MILLER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS
- Publication number 20110118512
- Publication date May 19, 2011
- E.I. du Pont de Nemours and Company
- RALPH NEWTON MILLER
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HYDROGEN FLUORIDE-HFC-254EB AZEOTROPE AND ITS USES
- Publication number 20110101264
- Publication date May 5, 2011
- E.I. du Pont de Nemours and Company
- JEFFREY P. KNAPP
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD OF RECOVERING HYDROFLUORIC ACID
- Publication number 20100280292
- Publication date Nov 4, 2010
- Bertrand Collier
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HF alkylation process with acid regeneration
- Publication number 20090029846
- Publication date Jan 29, 2009
- ExxonMobil Research and Engineering Company
- Jeffrey M. Fitt
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...
- Publication number 20080053815
- Publication date Mar 6, 2008
- Wacker Chemie AG
- Hanns Wochner
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR SEPARATION OF FLUOROOLEFINS FROM HYDROGEN FLUORIDE BY...
- Publication number 20080051612
- Publication date Feb 28, 2008
- E.I. DuPont de Nemours and Company
- JEFFREY P. KNAPP
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FRO SEPARATION OF A MIXTURE COMPRISING AT LEAST ONE HYDROFL...
- Publication number 20080033219
- Publication date Feb 7, 2008
- SOLVAY S.A.
- Alain Lambert
- C07 - ORGANIC CHEMISTRY
Information Patent Application
AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,3,3-PENTAFLUOROBUTANE AND HYDR...
- Publication number 20070278087
- Publication date Dec 6, 2007
- Honeywell International Inc.
- Hang T. Pham
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Andhydrous hydrogen fluoride composition and method of producing th...
- Publication number 20070098624
- Publication date May 3, 2007
- Honeywell International Inc.
- Matthew Luly
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and...
- Publication number 20070100173
- Publication date May 3, 2007
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Azeotrope compositions comprising 1,1,1,2,3- pentafluoropropene and...
- Publication number 20070100174
- Publication date May 3, 2007
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hy...
- Publication number 20070100175
- Publication date May 3, 2007
- Ralph Newton Miller
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the separation of a mixture comprising at least one hyd...
- Publication number 20070021635
- Publication date Jan 25, 2007
- SOLVAY S.A.
- Alain Lambert
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process
- Publication number 20060133984
- Publication date Jun 22, 2006
- Davy Process Technology (Switzerland) AG
- Roland Leuzinger
- C01 - INORGANIC CHEMISTRY

by distillation

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Azeotrope-like composition containing 1,2-difluoroethylene or 1,1,2...

Converting fluorinated materials into anhydrous hydrogen fluoride

Methods for graded utilization of fluorine and silicon resources in...

Integrated processes for treatment of an ammonium fluorosulfate byp...

Method for removing fluoride from a zinc-containing solution or sus...

Method for producing hydrogen fluoride from its aqueous solutions

Method for producing chloropropene and method for producing 2,3,3,3...

Process for purification of hydrofluoric acid including obtaining a...

Method of recycling hydrochloric and hydrofluoric acid effluent

Processes for separation of fluoroolefins from hydrogen fluoride by...

Purification method of 2,3,3,3-tetrafluoropropene

Separation of R-1233 from hydrogen fluoride

Hydrogen fluoride-HFC-254eb azeotrope and its uses

Processes for production and purification of hydrofluoroolefins

Processes for separation of fluoroolefins from hydrogen fluoride by...

Method for processing an etching mixture which is formed during the...

Process for production of azeotrope compositions comprising hydrofl...

HF alkylation process with acid regeneration

Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydr...

Process for separation of a mixture comprising at least one hydrofl...

Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hy...

Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and...

Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and...

Azeotrope-like compositions of 1,1,1,3,3-pentafluorobutane and hydr...

Hydrofluoric acid wastewater treatment method and device

Process for the separation of a mixture comprising at least one hyd...

Azeotrope-like compositions of iodine heptafluoride and hydrogen fl...

Process for the separation of a mixture comprising at least one hyd...

Process for the reduction or elimination of NH3/HF byproduct in the...

Process for removal of hydrogen fluoride

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR PURIFYING ULTRA-HIGH PURITY HYDROGEN FLUORIDE

CONVERTING FLUORINATED MATERIALS INTO ANHYDROUS HYDROGEN FLUORIDE

METHODS FOR GRADED UTILIZATION OF FLUORINE AND SILICON RESOURCES IN...

METHOD FOR PREPARING ELECTRONIC GRADE INORGANIC ACIDS FROM WASTE AC...

INTEGRATED PROCESSES FOR TREATMENT OF AN AMMONIUM FLUOROSULFATE BYP...

AZEOTROPE-LIKE COMPOSITION CONTAINING 1,2-DIFLUOROETHYLENE OR 1,1,2...

METHOD FOR PRODUCING HYDROGEN FLUORIDE FROM ITS AQUEOUS SOLUTIONS

METHOD FOR REMOVING FLUORIDE FROM A ZINC-CONTAINING SOLUTION OR SUS...

SYSTEMS AND METHODS FOR SEPARATING (E)-1-CHLORO-3,3,3-TRIFLUOROPROP...

METHOD FOR PRODUCING CHLOROPROPENE AND METHOD FOR PRODUCING 2,3,3,3...

PROCESS FOR PURIFICATION OF HYDROFLUORIC ACID INCLUDING OBTAINING A...

PURIFICATION METHOD OF 2,3,3,3-TETRAFLUOROPROPENE

PROCESSES FOR SEPARATION OF FLUOROOLEFINS FROM HYDROGEN FLUORIDE BY...

Production Method Of Trans-1,3,3,3-Tetrafluoropropene

SEPARATION OF R-1233 FROM HYDROGEN FLUORIDE

PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS

PROCESSES FOR PRODUCTION AND PURIFICATION OF HYDROFLUOROOLEFINS

HYDROGEN FLUORIDE-HFC-254EB AZEOTROPE AND ITS USES

METHOD OF RECOVERING HYDROFLUORIC ACID

HF alkylation process with acid regeneration

METHOD FOR PROCESSING AN ETCHING MIXTURE WHICH IS FORMED DURING THE...

PROCESSES FOR SEPARATION OF FLUOROOLEFINS FROM HYDROGEN FLUORIDE BY...

PROCESS FRO SEPARATION OF A MIXTURE COMPRISING AT LEAST ONE HYDROFL...

AZEOTROPE-LIKE COMPOSITIONS OF 1,1,1,3,3-PENTAFLUOROBUTANE AND HYDR...

Andhydrous hydrogen fluoride composition and method of producing th...

Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and...

Azeotrope compositions comprising 1,1,1,2,3- pentafluoropropene and...

Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hy...

Process for the separation of a mixture comprising at least one hyd...

Process