GB1239329A - - Google Patents

Info

Publication number
GB1239329A
GB1239329A GB1239329DA GB1239329A GB 1239329 A GB1239329 A GB 1239329A GB 1239329D A GB1239329D A GB 1239329DA GB 1239329 A GB1239329 A GB 1239329A
Authority
GB
United Kingdom
Prior art keywords
pyrocatechol
bromo
methane
stabilization
benzoic acid
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
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 filed Critical
Publication of GB1239329A publication Critical patent/GB1239329A/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
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/42—Use of additives, e.g. for stabilisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1,239,329. Stabilizing halogenated hydrocarbons. FEUERLOSCHGERATEWERK NEURUPPIN VEB. 8 Oct., 1969, No. 49505/69. Heading C2C. [Also in Division C5] A process for the stabilization of a bromo- or chlorobromo hydrocarbon, optionally further substituted by fluorine atoms, comprises the addition thereto of a mixture of pyrocatechol and benzoic acid. Preferably the mixture contains between 0À05 and 0À15% by weight of pyrocatechol and between 0À025 and 0À075% by weight of benzoic acid. Specified hydrocarbons are ethyl bromide, methylene bromide, methyl bromide, tetrafluoro-dibromo ethane, difluorochloro-bromo-methane, and trifluoro-bromomethane, and an example describes the stabilization of monochloro-monobromo-methane coated on steel plates.
GB1239329D 1969-04-15 1969-10-08 Expired GB1239329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD13911869 1969-04-15

Publications (1)

Publication Number Publication Date
GB1239329A true GB1239329A (en) 1971-07-14

Family

ID=5481097

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1239329D Expired GB1239329A (en) 1969-04-15 1969-10-08

Country Status (5)

Country Link
BG (1) BG17291A3 (en)
CS (1) CS151531B2 (en)
DE (1) DE1942924A1 (en)
GB (1) GB1239329A (en)
PL (1) PL69879B1 (en)

Also Published As

Publication number Publication date
BG17291A3 (en) 1973-07-25
PL69879B1 (en) 1973-10-31
DE1942924A1 (en) 1970-11-26
CS151531B2 (en) 1973-10-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees