BR9305484A - Processo para remoção de fluoreto de hidrogênio. - Google Patents

Processo para remoção de fluoreto de hidrogênio.

Info

Publication number
BR9305484A
BR9305484A BR9305484A BR9305484A BR9305484A BR 9305484 A BR9305484 A BR 9305484A BR 9305484 A BR9305484 A BR 9305484A BR 9305484 A BR9305484 A BR 9305484A BR 9305484 A BR9305484 A BR 9305484A
Authority
BR
Brazil
Prior art keywords
hydrogen fluoride
removing hydrogen
fluoride
hydrogen
Prior art date
Application number
BR9305484A
Other languages
English (en)
Inventor
Takehide Tsuda
Takeo Matsumoto
Yoshinori Tanaka
Satoshi Komatsu
Satoshi Koyama
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=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR9305484(A) "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
Publication of BR9305484A publication Critical patent/BR9305484A/pt

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)
BR9305484A 1992-04-13 1993-04-09 Processo para remoção de fluoreto de hidrogênio. BR9305484A (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP9266792 1992-04-13
JP10765692 1992-04-27
PCT/JP1993/000455 WO1993021140A1 (en) 1992-04-13 1993-04-09 Method of removing hydrogen fluoride

Publications (1)

Publication Number Publication Date
BR9305484A true BR9305484A (pt) 1995-04-11

Family

ID=26434051

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9305484A BR9305484A (pt) 1992-04-13 1993-04-09 Processo para remoção de fluoreto de hidrogênio.

Country Status (13)

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

Families Citing this family (21)

* 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
ES2110293T5 (es) * 1994-02-28 2008-01-16 Arkema France Procedimiento para la separacion de fluoruro de hidrogeno y de difluormetano.
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
ES2167771T3 (es) * 1996-08-27 2002-05-16 Daikin Ind Ltd Procedimiento de fabricacion de difluorometano.
US6346172B1 (en) * 1996-08-27 2002-02-12 Daikin Industries, Ltd. Process for producing difluoromethane
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
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
CN101270029A (zh) * 2001-06-01 2008-09-24 霍尼韦尔国际公司 1,1,1,3,3-五氟丁烷与氟化氢的类共沸组合物的应用
US8273928B2 (en) * 2006-08-24 2012-09-25 E I Du Pont De Nemours And Company Processes for separation of fluoroolefins from hydrogen fluoride by azeotropic distillation
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

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
WO1991004955A1 (en) 1989-10-04 1991-04-18 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
ES2110293T5 (es) * 1994-02-28 2008-01-16 Arkema France Procedimiento para la separacion de fluoruro de hidrogeno y de difluormetano.

Also Published As

Publication number Publication date
KR100352680B1 (ko) 2002-09-16
CA2111007C (en) 2004-08-03
WO1993021140A1 (en) 1993-10-28
AU3904093A (en) 1993-11-18
DE69319711D1 (de) 1998-08-20
US6311515B1 (en) 2001-11-06
KR100338277B1 (ko) 2003-02-20
EP0606482A4 (en) 1994-03-23
KR940701373A (ko) 1994-05-28
AU663586B2 (en) 1995-10-12
KR100295306B1 (ko) 2001-09-17
RU2118635C1 (ru) 1998-09-10
CN1039313C (zh) 1998-07-29
CA2111007A1 (en) 1993-10-28
US5523015A (en) 1996-06-04
ES2118949T3 (es) 1998-10-01
DE69319711T2 (de) 1999-01-07
EP0606482B1 (en) 1998-07-15
JP3147380B2 (ja) 2001-03-19
TW283659B (pt) 1996-08-21
EP0606482A1 (en) 1994-07-20
CN1088195A (zh) 1994-06-22

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Legal Events

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EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

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B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

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B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2607 DE 22-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.