BE438345A - - Google Patents

Info

Publication number
BE438345A
BE438345A BE438345DA BE438345A BE 438345 A BE438345 A BE 438345A BE 438345D A BE438345D A BE 438345DA BE 438345 A BE438345 A BE 438345A
Authority
BE
Belgium
Prior art keywords
lamps
tubular
gas discharge
closure
discharge lamp
Prior art date
Application number
Other languages
English (en)
French (fr)
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 BE438345A publication Critical patent/BE438345A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C23/00—Compounds containing at least one halogen atom bound to a ring other than a six-membered aromatic ring
    • C07C23/18—Polycyclic halogenated hydrocarbons
    • C07C23/20—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic
    • C07C23/27—Polycyclic halogenated hydrocarbons with condensed rings none of which is aromatic with a bicyclo ring system containing seven carbon atoms
    • C07C23/30—Mono-unsaturated bicyclo ring system
    • 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
    • C07C17/18—Preparation of halogenated hydrocarbons by replacement by halogens of oxygen atoms of carbonyl groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
BE438345D 1939-03-21 BE438345A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU210339X 1939-03-21

Publications (1)

Publication Number Publication Date
BE438345A true BE438345A (xx)

Family

ID=10978151

Family Applications (1)

Application Number Title Priority Date Filing Date
BE438345D BE438345A (xx) 1939-03-21

Country Status (4)

Country Link
BE (1) BE438345A (xx)
CH (1) CH226345A (xx)
FR (1) FR864092A (xx)
NL (1) NL55913C (xx)

Also Published As

Publication number Publication date
FR864092A (fr) 1941-04-17
NL55913C (xx)
CH226345A (de) 1943-03-31

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