BE504394A - - Google Patents

Info

Publication number
BE504394A
BE504394A BE504394DA BE504394A BE 504394 A BE504394 A BE 504394A BE 504394D A BE504394D A BE 504394DA BE 504394 A BE504394 A BE 504394A
Authority
BE
Belgium
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 BE504394A publication Critical patent/BE504394A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
    • C09K11/74—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
    • C09K11/7407—Chalcogenides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J61/26—Means for absorbing or adsorbing gas, e.g. by gettering; Means for preventing blackening of the envelope

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
BE504394D 1950-07-12 BE504394A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1039094X 1950-07-12

Publications (1)

Publication Number Publication Date
BE504394A true BE504394A (de)

Family

ID=7716210

Family Applications (1)

Application Number Title Priority Date Filing Date
BE504394D BE504394A (de) 1950-07-12

Country Status (2)

Country Link
BE (1) BE504394A (de)
FR (1) FR1039094A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060991B (de) * 1957-02-15 1959-07-09 Patra Patent Treuhand Einrichtung zur Verhinderung stoerender Schwaerzungen an Leuchtstofflampen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1060991B (de) * 1957-02-15 1959-07-09 Patra Patent Treuhand Einrichtung zur Verhinderung stoerender Schwaerzungen an Leuchtstofflampen

Also Published As

Publication number Publication date
FR1039094A (fr) 1953-10-05

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