NL131714C - - Google Patents

Info

Publication number
NL131714C
NL131714C NL131714DA NL131714C NL 131714 C NL131714 C NL 131714C NL 131714D A NL131714D A NL 131714DA NL 131714 C NL131714 C NL 131714C
Authority
NL
Netherlands
Application number
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.)
Publication of NL131714C publication Critical patent/NL131714C/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S62/00—Refrigeration
    • Y10S62/918—Halocarbon

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL131714D 1963-02-06 NL131714C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256520A US3282801A (en) 1963-02-06 1963-02-06 Extractive distillation of tetrafluoroethylene with an oxygenated hydrocarbon

Publications (1)

Publication Number Publication Date
NL131714C true NL131714C (en:Method)

Family

ID=22972533

Family Applications (2)

Application Number Title Priority Date Filing Date
NL131714D NL131714C (en:Method) 1963-02-06
NL6400982A NL6400982A (en:Method) 1963-02-06 1964-02-06

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL6400982A NL6400982A (en:Method) 1963-02-06 1964-02-06

Country Status (6)

Country Link
US (1) US3282801A (en:Method)
BE (1) BE643472A (en:Method)
DE (1) DE1295543B (en:Method)
FR (1) FR1381844A (en:Method)
GB (1) GB1034894A (en:Method)
NL (2) NL6400982A (en:Method)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251300B (de) * 1964-12-29 1967-10-05 E I du Pont de Nemours and Company Wilmington Del (V St A) Verfahren zur Reinigung von Hexa fluorpropylenepoxyd unter Abtrennung von Hexafluorpropylen
CH459991A (de) * 1964-12-30 1968-07-31 Ciba Geigy Verfahren zur Trennung von Gemischen von cycloaliphatischen Fluorverbindungen
BE786675A (fr) * 1971-08-02 1973-01-25 Airco Inc Separation d'oxydes d'alkyle halogenes par distillation azeotropique.
US3989601A (en) * 1975-09-08 1976-11-02 The Dow Chemical Company Purification of 1,1,1-trichloroethane by extractive distillation
DE2638650C2 (de) * 1976-08-27 1982-11-25 Hoechst Ag, 6000 Frankfurt Verfahren zur Abtrennung von Tetrafluoräthylen aus Gasgemischen
US4134796A (en) * 1977-11-17 1979-01-16 Asahi Glass Company Ltd. Method of purifying hexafluoropropylene oxide
FR2409973A1 (fr) * 1977-11-28 1979-06-22 Asahi Glass Co Ltd Procede de purification de l'oxyde d'hexafluoropropylene
DE3729106A1 (de) * 1987-09-01 1989-03-09 Hoechst Ag Verfahren zur gewinnung von reinem tetrafluorethylen
US5049241A (en) * 1990-03-27 1991-09-17 E. I. Du Pont De Nemours And Company Extractive distillation
BR9402038A (pt) * 1993-05-25 1995-03-07 Showa Denko Kk Processo de purificação de pentaflúor etano
RU2121993C1 (ru) * 1994-08-17 1998-11-20 Дайкин Индастриз Лтд. Способ выделения пентафторэтана из смеси с хлорпентафторэтаном
WO1996023752A1 (en) * 1995-02-01 1996-08-08 E.I. Du Pont De Nemours And Company SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION
US5626023A (en) * 1995-02-16 1997-05-06 Praxair Technology, Inc. Cryogenic rectification system for fluorine compound recovery using additive liquid
US6047560A (en) * 1997-03-12 2000-04-11 Showa Denko K.K. Process for separating pentafluoroethane and 1,1,1-trifluoroethane

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604439A (en) * 1952-07-22 Distillation of
US2339160A (en) * 1940-08-02 1944-01-11 Shell Dev Distillation process
US2473911A (en) * 1943-07-19 1949-06-21 Ici Ltd Production of fluorocarbons
US2357028A (en) * 1943-08-04 1944-08-29 Shell Dev Solvent extraction process
US2456184A (en) * 1946-04-17 1948-12-14 Du Pont Purification of tetrachlorethylene
NL264123A (en:Method) * 1960-04-28
FR1293690A (fr) * 1960-04-28 1962-05-18 Du Pont Procédé de distillation extractive de carbures fluorés
US3152051A (en) * 1962-03-12 1964-10-06 Pennsalt Chemicals Corp Separation of a mixture containing tetrafluoroethylene and fluoroform by extractive distillation

Also Published As

Publication number Publication date
BE643472A (en:Method) 1964-08-06
GB1034894A (en) 1966-07-06
NL6400982A (en:Method) 1964-08-07
US3282801A (en) 1966-11-01
DE1295543B (de) 1969-05-22
FR1381844A (fr) 1964-12-14

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