GB1330248A - Preparation of bromochlorodifluoromethane - Google Patents

Preparation of bromochlorodifluoromethane

Info

Publication number
GB1330248A
GB1330248A GB1330248DA GB1330248A GB 1330248 A GB1330248 A GB 1330248A GB 1330248D A GB1330248D A GB 1330248DA GB 1330248 A GB1330248 A GB 1330248A
Authority
GB
United Kingdom
Prior art keywords
cbr
bromochlorodifluoromethane
cbrclf
feb
preparation
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Publication of GB1330248A publication Critical patent/GB1330248A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C07C17/204—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 a halogen

Abstract

1330248 Bromochlorodifluoromethane; dichlorodifluoromethane IMPERIAL CHEMICAL INDUSTRIES Ltd 14 Feb 1972 [17 Feb 1971] 4840/71 Heading C2C CBrClF 2 and CF 2 Cl 2 are prepared by the vapour phase chlorination of CBr 2 F 2 at 300- 600‹ C., the molar ratio CBr 2 F 2 : Cl 2 being at least 1 : 1. Bromine product may be used to brominate CHClF 2 to form further CBrClF 2 ; unreacted CBr 2 F 2 may be recycled.
GB1330248D 1971-02-17 1971-02-17 Preparation of bromochlorodifluoromethane Expired GB1330248A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB484071 1971-02-17

Publications (1)

Publication Number Publication Date
GB1330248A true GB1330248A (en) 1973-09-12

Family

ID=9784779

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1330248D Expired GB1330248A (en) 1971-02-17 1971-02-17 Preparation of bromochlorodifluoromethane

Country Status (2)

Country Link
AU (1) AU452592B2 (en)
GB (1) GB1330248A (en)

Also Published As

Publication number Publication date
AU3912772A (en) 1973-08-23
AU452592B2 (en) 1974-09-05

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433G Case decided by the comptroller ** application refused (sect. 33/1949)
PCNP Patent ceased through non-payment of renewal fee