Preparation from fluorspar

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CPC
C01B7/192

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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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C01B7/192Preparation from fluorspar

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing hydrogen fluoride
- Patent number 11,718,523
- Issue date Aug 8, 2023
- Daikin Industries, Ltd.
- Arata Sasatani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydrogen fluoride
- Patent number 10,934,166
- Issue date Mar 2, 2021
- Daikin Industries, Ltd.
- Arata Sasatani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the production of free flowing synthetic calcium fluorid...
- Patent number 9,764,963
- Issue date Sep 19, 2017
- 3M Innovative Properties Company
- Tilman Zipplies
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydrogen fluoride
- Patent number 9,656,864
- Issue date May 23, 2017
- Daikin Industries, Ltd.
- Toshikazu Yoshimura
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for regulating water concentration in a process stream
- Patent number 6,858,198
- Issue date Feb 22, 2005
- Honeywell International
- Troy W. Francisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for producing hydrogen fluoride
- Patent number 6,841,140
- Issue date Jan 11, 2005
- Daikin Industries, Ltd.
- Hironobu Nishimura
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for recycling fine calcium fluoride powder
- Patent number 6,723,139
- Issue date Apr 20, 2004
- Atofina
- Jean-Marc Biragnet
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydrogen fluoride in a rotary tube furnace
- Patent number 6,699,455
- Issue date Mar 2, 2004
- Bayer Aktiengesellschaft
- Andreas Bulan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Phosphate acidulation utilizing HF acid
- Patent number 6,676,914
- Issue date Jan 13, 2004
- HF Extraction, LLC
- Samuel Franklin Sweat
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of calcium fluoride
- Patent number 6,428,764
- Issue date Aug 6, 2002
- E. I. Du Pont de Nemours and Company
- John Byrne Michel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for removing soluble fluoride from a waste solution contain...
- Patent number 6,355,221
- Issue date Mar 12, 2002
- BP Corporation North America Inc.
- Alkis S. Rappas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of calcium fluoride
- Patent number 6,224,844
- Issue date May 1, 2001
- E. I. Du Pont de Nemours and Company
- Paul Douglas VerNooy
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recycling of flux material
- Patent number 6,207,125
- Issue date Mar 27, 2001
- Solvay Fluor und Derivate GmbH
- Ulrich Seseke-Koyro
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Metal and fluorine values recovery from fluoride salt matrices
- Patent number 5,881,359
- Issue date Mar 9, 1999
- Advanced Recovery Systems, Inc.
- Randall P. Slagle
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Metal and fluorine values recovery from fluoride salt matrices
- Patent number 5,516,496
- Issue date May 14, 1996
- Advanced Recovery Systems, Inc.
- Randall P. Slage
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of phosphoric acid and hydrogen fluoride...
- Patent number 5,427,757
- Issue date Jun 27, 1995
- Phosphate Engineering and Construction Co.
- William R. Erickson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Furnace gas - sulfuric acid contact process for HF manufacture
- Patent number 5,271,918
- Issue date Dec 21, 1993
- AlliedSignal Inc.
- Audie J. Patterson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydrogen fluoride
- Patent number 5,219,551
- Issue date Jun 15, 1993
- Asahi Glass Company Ltd.
- Kunihiko Terase
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of phosphoric acid and hydrogen fluoride...
- Patent number 5,180,569
- Issue date Jan 19, 1993
- Phosphate Engineering and Construction Company
- William R. Erickson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Conversion of calcium compounds into solid and gaseous compounds
- Patent number 4,774,064
- Issue date Sep 27, 1988
- Mississippi Chemical Corporation
- David Arnold
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing hydrogen fluoride
- Patent number 4,491,571
- Issue date Jan 1, 1985
- Asahi Glass Company Ltd.
- Kaichiro Suzuki
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of anhydrous hydrogen fluoride from low-grade metallic f...
- Patent number 4,477,425
- Issue date Oct 16, 1984
- Florida Progress Corporation
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and device for manufacturing synthetic anhydrous calcium su...
- Patent number 4,460,551
- Issue date Jul 17, 1984
- Buss AG
- Dieter Boese
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for curtailing phosphorous impurity in the production of hyd...
- Patent number 4,394,365
- Issue date Jul 19, 1983
- Alcan International Limited
- Bohdan Gnyra
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Rotary tube reactor for the thermal treatment of material
- Patent number 4,353,874
- Issue date Oct 12, 1982
- Bayer Aktiengesellschaft
- Wolfgang Keller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing hydrogen fluoride and phosphoric acid
- Patent number 4,292,289
- Issue date Sep 29, 1981
- Climax Chemical Company
- Curtis W. Cannon
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrogen fluoride process
- Patent number 4,120,939
- Issue date Oct 17, 1978
- E. I. Du Pont de Nemours and Company
- William Hollis Ehlig
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Counter-current process for passing a solid particulate reactant to...
- Patent number 4,098,873
- Issue date Jul 4, 1978
- Borden, Inc.
- Clinton Allen Hollingsworth
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of hydrofluoric acid from phosphate-containing fluorspar
- Patent number 4,078,047
- Issue date Mar 7, 1978
- Bayer Aktiengesellschaft
- Bernhard Spreckelmeyer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing hydrogen fluoride
- Patent number 4,031,191
- Issue date Jun 21, 1977
- E. I. Du Pont de Nemours and Company
- Harry Otto Burrus
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING HYDROGEN FLUORIDE
- Publication number 20210147230
- Publication date May 20, 2021
- Daikin Industries, Ltd.
- Arata SASATANI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING HYDROGEN FLUORIDE
- Publication number 20120107223
- Publication date May 3, 2012
- DAIKIN INDUSTRIES, LTD.
- Toshikazu Yoshimura
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Preparation of hydrogen fluoride from fluorspar or calcium fluoride...
- Publication number 20110206598
- Publication date Aug 25, 2011
- Solvay Fluor GmbH
- Helmut Grass
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Preparation of hydrogen fluoride from calcium fluoride and sulfuric...
- Publication number 20100143236
- Publication date Jun 10, 2010
- Solvay Fluor GmbH
- Helmut Grass
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Extraction and Purification of Minerals From Aluminium Ores
- Publication number 20100129279
- Publication date May 27, 2010
- KARALEE RESEARCH PTY LIMITED
- Robert Lloyd
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method For Producing Calcium Fluoride, Reusing Method And Recycling...
- Publication number 20090180947
- Publication date Jul 16, 2009
- Morta Chemical Industrial Co., Ltd.
- Kunitaka Momota
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method and apparatus for producing hydrogen fluoride
- Publication number 20030124047
- Publication date Jul 3, 2003
- Hironobu Nishimura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for regulating water concentration in a process stream
- Publication number 20020155057
- Publication date Oct 24, 2002
- Troy W. Francisco
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for utilizing waste salt mixtures from halex reactions
- Publication number 20020127173
- Publication date Sep 12, 2002
- Andreas Bulan
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for preparing hydrogen fluoride in a rotary tube furnace
- Publication number 20020001563
- Publication date Jan 3, 2002
- Andreas Bulan
- C01 - INORGANIC CHEMISTRY

Preparation from fluorspar

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing hydrogen fluoride

Method for producing hydrogen fluoride

Method for the production of free flowing synthetic calcium fluorid...

Method for producing hydrogen fluoride

Method for regulating water concentration in a process stream

Method and apparatus for producing hydrogen fluoride

Method for recycling fine calcium fluoride powder

Process for preparing hydrogen fluoride in a rotary tube furnace

Phosphate acidulation utilizing HF acid

Process for the production of calcium fluoride

Process for removing soluble fluoride from a waste solution contain...

Process for the production of calcium fluoride

Recycling of flux material

Metal and fluorine values recovery from fluoride salt matrices

Metal and fluorine values recovery from fluoride salt matrices

Process for the production of phosphoric acid and hydrogen fluoride...

Furnace gas - sulfuric acid contact process for HF manufacture

Process for preparing hydrogen fluoride

Process for the production of phosphoric acid and hydrogen fluoride...

Conversion of calcium compounds into solid and gaseous compounds

Process for producing hydrogen fluoride

Production of anhydrous hydrogen fluoride from low-grade metallic f...

Process and device for manufacturing synthetic anhydrous calcium su...

Method for curtailing phosphorous impurity in the production of hyd...

Rotary tube reactor for the thermal treatment of material

Process for producing hydrogen fluoride and phosphoric acid

Hydrogen fluoride process

Counter-current process for passing a solid particulate reactant to...

Production of hydrofluoric acid from phosphate-containing fluorspar

Process for producing hydrogen fluoride

Patents Applicationslast 30 patents

METHOD FOR PRODUCING HYDROGEN FLUORIDE

METHOD FOR PRODUCING HYDROGEN FLUORIDE

Preparation of hydrogen fluoride from fluorspar or calcium fluoride...

Preparation of hydrogen fluoride from calcium fluoride and sulfuric...

Extraction and Purification of Minerals From Aluminium Ores

Method For Producing Calcium Fluoride, Reusing Method And Recycling...

Method and apparatus for producing hydrogen fluoride

Method for regulating water concentration in a process stream

Process for utilizing waste salt mixtures from halex reactions

Process for preparing hydrogen fluoride in a rotary tube furnace