TW283659B - - Google Patents

Info

Publication number
TW283659B
TW283659B TW082102792A TW82102792A TW283659B TW 283659 B TW283659 B TW 283659B TW 082102792 A TW082102792 A TW 082102792A TW 82102792 A TW82102792 A TW 82102792A TW 283659 B TW283659 B TW 283659B
Authority
TW
Taiwan
Application number
TW082102792A
Other languages
Chinese (zh)
Original Assignee
Daikin Ind Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26434051&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW283659(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Ind Ltd filed Critical Daikin Ind Ltd
Application granted granted Critical
Publication of TW283659B publication Critical patent/TW283659B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/08—Acyclic saturated compounds containing halogen atoms containing fluorine
    • C07C19/10—Acyclic saturated compounds containing halogen atoms containing fluorine and chlorine
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification
    • C01B7/196—Separation; Purification by distillation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/19—Fluorine; Hydrogen fluoride
    • C01B7/191—Hydrogen fluoride
    • C01B7/195—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
TW082102792A 1992-04-13 1993-04-13 TW283659B (en:Method)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9266792 1992-04-13
JP10765692 1992-04-27

Publications (1)

Publication Number Publication Date
TW283659B true TW283659B (en:Method) 1996-08-21

Family

ID=26434051

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082102792A TW283659B (en:Method) 1992-04-13 1993-04-13

Country Status (13)

Country Link
US (2) US5523015A (en:Method)
EP (1) EP0606482B1 (en:Method)
JP (1) JP3147380B2 (en:Method)
KR (3) KR100295306B1 (en:Method)
CN (1) CN1039313C (en:Method)
AU (1) AU663586B2 (en:Method)
BR (1) BR9305484A (en:Method)
CA (1) CA2111007C (en:Method)
DE (1) DE69319711T2 (en:Method)
ES (1) ES2118949T3 (en:Method)
RU (1) RU2118635C1 (en:Method)
TW (1) TW283659B (en:Method)
WO (1) WO1993021140A1 (en:Method)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3163831B2 (ja) * 1993-04-06 2001-05-08 ダイキン工業株式会社 １，１−ジフルオロエタンとフッ化水素の共沸混合物および１，１−ジフルオロエタンまたはフッ化水素の回収方法
GB9407257D0 (en) * 1993-04-22 1994-06-08 Ici Plc Vaporisation of liquids
US6274781B1 (en) 1993-11-01 2001-08-14 E. I. Du Pont De Nemours And Company Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
EP0669303B2 (fr) * 1994-02-28 2007-08-08 Arkema France Procédé de séparation du fluorure d'hydrogène et du difluorométhane
US5718807A (en) * 1994-09-20 1998-02-17 E. I. Du Pont De Nemours And Company Purification process for hexafluoroethane products
US5789633A (en) * 1995-06-06 1998-08-04 E. I. Du Pont De Nemours And Company Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
US5714650A (en) * 1995-06-07 1998-02-03 E. I. Du Pont De Nemours And Company Continuous manufacture of 1,1-difluoroethane
US5672788A (en) * 1995-06-07 1997-09-30 E. I. Du Pont De Nemours And Company Two-step process for manufacturing 1,1-difluoroethane
US5763708A (en) * 1995-09-20 1998-06-09 Allied Signal Inc. Process for the production of difluoromethane
US5785822A (en) * 1996-05-23 1998-07-28 Alliedsignal Inc. Process for separating difluoromethane
WO1998000379A1 (en) * 1996-07-03 1998-01-08 Alliedsignal Inc. Water extraction of hydrogen fluoride from a halocarbon/hydrogen fluoride azeotropic mixture
JP3605828B2 (ja) * 1996-08-27 2004-12-22 ダイキン工業株式会社 ジフルオロメタンの製造方法
DE69708127T2 (de) 1996-08-27 2002-06-20 Daikin Industries, Ltd. Verfahren zur herstellung von difluormethan
US5800682A (en) * 1996-10-08 1998-09-01 Alliedsignal Inc. Process for the production of difluoromethane
FR2768717B1 (fr) * 1997-09-24 1999-11-12 Solvay Procede de separation de fluorure d'hydrogene de ses melanges avec un hydrofluoroalcane contenant de 3 a 6 atomes de carbone
US6488817B1 (en) * 1998-03-31 2002-12-03 Alliedsignal Inc. Purification of hydrofluorocarbons
US6521803B1 (en) * 1998-12-18 2003-02-18 Solvay (Societe Anonyme) Method for separating a mixture comprising at least an hydrofluoroalkane and hydrogen fluoride, methods for preparing a hydrofluoroalkane and azeotropic compositions
RU2174999C1 (ru) * 2000-05-12 2001-10-20 Общество с ограниченной ответственностью "Учебно-научно-производственная фирма "Липиды" Способ рафинации труднорафинируемых растительных масел
US6500795B2 (en) * 2001-01-24 2002-12-31 Honeywell International Inc. Azeotrope-like composition of 1-chloro-1,3,3,3-tetrafluoropropane and hydrogen fluoride
US6605193B2 (en) * 2001-04-25 2003-08-12 Atofina Chemicals, Inc. Recovery of HFC-32
DE60231992D1 (de) * 2001-06-01 2009-05-28 Honeywell Int Inc Azeotropähnliche zusammensetzungen aus 1,1,1,3,3-pentafluorbutan und fluorwasserstoff
ES2450945T3 (es) * 2006-08-24 2014-03-25 E. I. Du Pont De Nemours And Company Procedimientos para la separación de fluoroolefinas a partir de fluoruro de hidrógeno por destilación azeotrópica
CN103626626B (zh) * 2013-11-01 2015-06-24 西安近代化学研究所 氟化氢和2-氯-1,1,1,2-四氟丙烷混合物的分离方法
GB2636765A (en) * 2023-12-21 2025-07-02 Mexichem Uk Ltd Compositions

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2450414A (en) * 1946-11-14 1948-10-05 Kinetic Chemicals Inc Distillation process for separating products of chloroform fluorination
US3490739A (en) * 1965-09-16 1970-01-20 Walter R Buckman Azeotropic composition containing hexafluoroacetone,hydrogen fluoride,and trichlorotrifluoroethane
DE1546079B2 (de) * 1965-12-22 1971-06-09 Allied Chemical Corp.. New York, N Y (V St.A ) Azeotropes loesungsmittelgemisch insbesondere zur entfernung eines harzflussmittels von gedruckten schaltungen
US3728268A (en) * 1970-12-11 1973-04-17 Du Pont Mixtures of 1,1,2-trichloro-1,2,2-trifluoroethane,ethanol and acetone and a ternary azeotrope thereof
US3789004A (en) * 1971-06-28 1974-01-29 Ici Ltd Solvent compositions
US3947558A (en) 1973-08-16 1976-03-30 Dow Chemical (Nederland) B.V. Method of recovering HF from mixtures containing C1 -C3 halocarbon compounds
US4020112A (en) * 1975-02-06 1977-04-26 E. I. Du Pont De Nemours And Company Oxidative fluorination of phenols
US4169807A (en) * 1978-03-20 1979-10-02 Rca Corporation Novel solvent drying agent
JPS59225131A (ja) 1983-06-06 1984-12-18 Showa Denko Kk ジフルオロメタンの製造方法
JPS6013726A (ja) 1983-07-04 1985-01-24 Showa Denko Kk フルオロメタンの製造方法
US4911792A (en) * 1988-08-01 1990-03-27 E. I. Du Pont De Nemours And Company Process for the separation of HF via phase separation and distillation
US4950364A (en) * 1989-05-04 1990-08-21 Pennwalt Corporation Process for the separation of 1,1-dichloro-1-fluoroethane and 1,1,1,3,3-pentafluorobutane
US4975156A (en) * 1989-05-04 1990-12-04 Atochem North America, Inc. Process for the separation of hydrogen fluoride, 1,1-dichloro-1-fluoroethane and 1-chloro-1,1-difluoroethane from liquid mixtures thereof
US5036036A (en) 1989-06-13 1991-07-30 E. I. Du Pont De Nemours And Company Chromium oxide catalyst composition
EP0494994B1 (en) 1989-10-04 1997-08-27 E.I. Du Pont De Nemours And Company Fluorocarbon purification process
GB9105407D0 (en) * 1991-03-14 1991-05-01 Ici Plc Separation process
US5196616A (en) * 1991-10-18 1993-03-23 E. I. Du Pont De Nemours And Company Process for separating and recovering fluorocarbons and hydrogen fluoride from mixtures thereof
US6274781B1 (en) 1993-11-01 2001-08-14 E. I. Du Pont De Nemours And Company Production of dihalomethanes containing fluorine and azeotropes of dihalomethanes containing chlorine with HF
EP0669303B2 (fr) * 1994-02-28 2007-08-08 Arkema France Procédé de séparation du fluorure d'hydrogène et du difluorométhane

Also Published As

Publication number Publication date
AU3904093A (en) 1993-11-18
US6311515B1 (en) 2001-11-06
KR100352680B1 (ko) 2002-09-16
JP3147380B2 (ja) 2001-03-19
WO1993021140A1 (en) 1993-10-28
BR9305484A (pt) 1995-04-11
KR100295306B1 (ko) 2001-09-17
KR940701373A (ko) 1994-05-28
EP0606482B1 (en) 1998-07-15
US5523015A (en) 1996-06-04
CA2111007A1 (en) 1993-10-28
CN1039313C (zh) 1998-07-29
ES2118949T3 (es) 1998-10-01
EP0606482A1 (en) 1994-07-20
RU2118635C1 (ru) 1998-09-10
KR100338277B1 (ko) 2003-02-20
CA2111007C (en) 2004-08-03
AU663586B2 (en) 1995-10-12
DE69319711T2 (de) 1999-01-07
CN1088195A (zh) 1994-06-22
EP0606482A4 (en) 1994-03-23
DE69319711D1 (de) 1998-08-20

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees