IT7820257A0 - Processo per la preparazione dicomposti alogenati. - Google Patents

Processo per la preparazione dicomposti alogenati.

Info

Publication number
IT7820257A0
IT7820257A0 IT7820257A IT2025778A IT7820257A0 IT 7820257 A0 IT7820257 A0 IT 7820257A0 IT 7820257 A IT7820257 A IT 7820257A IT 2025778 A IT2025778 A IT 2025778A IT 7820257 A0 IT7820257 A0 IT 7820257A0
Authority
IT
Italy
Prior art keywords
preparation
halogenated compounds
halogenated
compounds
Prior art date
Application number
IT7820257A
Other languages
English (en)
Other versions
IT1095355B (it
Original Assignee
Ici 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
Priority claimed from GB6687/77A external-priority patent/GB1589924A/en
Application filed by Ici Ltd filed Critical Ici Ltd
Publication of IT7820257A0 publication Critical patent/IT7820257A0/it
Application granted granted Critical
Publication of IT1095355B publication Critical patent/IT1095355B/it

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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
    • C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
    • C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
    • C07C17/206—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being HX
    • 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
    • C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
IT20257/78A 1977-02-17 1978-02-13 Processo per la preparazione di composti alogenati IT1095355B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB6687/77A GB1589924A (en) 1977-02-17 1977-02-17 Manufacture of 1,1,1,2-tetrafluoroethane halogenated compounds
GB3972177 1977-09-23

Publications (2)

Publication Number Publication Date
IT7820257A0 true IT7820257A0 (it) 1978-02-13
IT1095355B IT1095355B (it) 1985-08-10

Family

ID=26240883

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20257/78A IT1095355B (it) 1977-02-17 1978-02-13 Processo per la preparazione di composti alogenati

Country Status (11)

Country Link
JP (1) JPS53105404A (it)
AR (1) AR216937A1 (it)
AU (1) AU518050B2 (it)
BR (1) BR7800944A (it)
CA (1) CA1119202A (it)
DE (1) DE2806865A1 (it)
ES (1) ES467081A1 (it)
FR (1) FR2381006A1 (it)
GR (1) GR65299B (it)
IT (1) IT1095355B (it)
NL (1) NL7801741A (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5527139A (en) * 1978-08-14 1980-02-27 Daikin Ind Ltd Preparation of tetrafluoroethane
FR2501062A1 (fr) * 1980-12-29 1982-09-10 Ugine Kuhlmann Catalyseurs de fluoruration en phase gazeuse de derives chlores aliphatiques, a base de microbilles d'oxyde de chrome, et procedes de fluoruration utilisant ces catalyseurs
DE3323374A1 (de) * 1983-06-29 1985-01-10 Hoechst Ag, 6230 Frankfurt Katalysatoren fuer fluorierungs- und/oder dismutierungsreaktionen von halogenkohlenwasserstoffen und verfahren zu ihrer herstellung
GB8717595D0 (en) * 1987-07-24 1987-09-03 Ici Plc Chemical process
CA1310335C (en) * 1988-02-12 1992-11-17 Leo E. Manzer Gas-phase fluorination process
JPH0685878B2 (ja) * 1988-04-13 1994-11-02 ダイキン工業株式会社 クロム系フッ素化触媒の賦活方法
EP0357328A1 (en) * 1988-09-01 1990-03-07 E.I. Du Pont De Nemours And Company Purification of 2,2-dichloro -1,1,1-trifluoroethane
IT1230779B (it) * 1989-07-12 1991-10-29 Ausimont Srl Procedimento per preparare 1,1,1,2 tetrafluoroetano.
DE3930507A1 (de) * 1989-09-13 1991-03-21 Hoechst Ag Verfahren zur herstellung von 1,1,1,2-tetrafluorethan
JP3233310B2 (ja) * 1990-03-13 2001-11-26 ダイキン工業株式会社 １，１，１，２−テトラフルオロエタンの製造方法
GB9107087D0 (en) * 1991-04-04 1991-05-22 Ici Plc Purification process
ZA923274B (en) * 1991-05-06 1993-11-08 Du Pont Process for the manufacture of pentafluoroethane
DE69228242T2 (de) * 1991-05-06 2009-09-10 E.I. Dupont De Nemours And Co., Wilmington Verfahren zur herstellung von pentafluorethan
FR2694556B1 (fr) * 1992-08-05 1994-09-23 Atochem Elf Sa Procédé de purification du 1,1,1,2-tétrafluoroéthane.
FR2701943B1 (fr) * 1993-02-24 1995-05-12 Atochem Elf Sa Purification du pentafluoroéthane.
KR960016683B1 (en) * 1993-12-09 1996-12-20 Korea Inst Sci & Tech Method of producing fluorization catalyst for preparing 1,1,1,2-tetrafluoroethane

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2999885A (en) * 1959-09-17 1961-09-12 Du Pont Purification of fluorocarbons
FR1369782A (fr) * 1962-09-26 1964-08-14 Allied Chem Fluoruration d'hydrocarbures halogénés à l'aide d'acide fluorhydrique sur un catalyseur d'oxyde de chrome
GB1067811A (en) * 1965-01-01 1967-05-03 Ici Ltd Purification of halothane
CA931978A (en) * 1968-01-24 1973-08-14 Frank J. Christoph, Jr. Process for preparing trichlorotrifluoroethane and dichlorotetrafluoroethane
GB1307224A (en) * 1969-06-27 1973-02-14 Ici Ltd Chromium oxide catalyst
JPS5450376A (en) * 1977-09-27 1979-04-20 Sharp Corp Signal counter

Also Published As

Publication number Publication date
ES467081A1 (es) 1979-08-16
AU3311878A (en) 1979-08-16
IT1095355B (it) 1985-08-10
FR2381006A1 (fr) 1978-09-15
AU518050B2 (en) 1981-09-10
NL7801741A (nl) 1978-08-21
JPS53105404A (en) 1978-09-13
GR65299B (en) 1980-08-01
AR216937A1 (es) 1980-02-15
DE2806865A1 (de) 1978-10-05
BR7800944A (pt) 1978-10-31
CA1119202A (en) 1982-03-02

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