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)

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)

Family

ID=22972533

Family Applications (2)

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

Family Applications After (1)

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

Country Status (6)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251300B (en) * 1964-12-29 1967-10-05 E I du Pont de Nemours and Company Wilmington Del (V St A) Process for the purification of hexafluoropropylene epoxide with separation of hexafluoropropylene
CH459991A (en) * 1964-12-30 1968-07-31 Ciba Geigy Process for the separation of mixtures of cycloaliphatic fluorine compounds
BE786675A (en) * 1971-08-02 1973-01-25 Airco Inc SEPARATION OF ALKYL HALOGENOUS OXIDES BY AZEOTROPIC DISTILLATION.
US3989601A (en) * 1975-09-08 1976-11-02 The Dow Chemical Company Purification of 1,1,1-trichloroethane by extractive distillation
DE2638650C2 (en) * 1976-08-27 1982-11-25 Hoechst Ag, 6000 Frankfurt Process for the separation of tetrafluoroethylene from gas mixtures
US4134796A (en) * 1977-11-17 1979-01-16 Asahi Glass Company Ltd. Method of purifying hexafluoropropylene oxide
FR2409973A1 (en) * 1977-11-28 1979-06-22 Asahi Glass Co Ltd Extractive distn. of hexa:fluoro:propylene epoxide - in presence of chlorinated hydrocarbon or ether solvent to give hexa:fluoro:propylene
DE3729106A1 (en) * 1987-09-01 1989-03-09 Hoechst Ag PROCESS FOR OBTAINING PURE TETRAFLUOROETHYLENE
US5049241A (en) * 1990-03-27 1991-09-17 E. I. Du Pont De Nemours And Company Extractive distillation
AU684757B2 (en) * 1993-05-25 1998-01-08 Showa Denko Kabushiki Kaisha Purification process of pentafluoroethane
AU695681B2 (en) * 1994-08-17 1998-08-20 Daikin Industries, Ltd. Process for producing pentafluoroethane
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
DE1161877B (en) * 1960-04-28 1964-01-30 Du Pont Process for the separation of perfluorocarbons
FR1293690A (en) * 1960-04-28 1962-05-18 Du Pont Process for the extractive distillation of fluorinated carbides
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
US3282801A (en) 1966-11-01
DE1295543B (en) 1969-05-22
BE643472A (en) 1964-08-06
NL6400982A (en) 1964-08-07
GB1034894A (en) 1966-07-06
FR1381844A (en) 1964-12-14

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