FR60741E - Improvements in the manufacture of fluorescent lamps - Google Patents

Improvements in the manufacture of fluorescent lamps

Info

Publication number
FR60741E
FR60741E FR60741DA FR60741E FR 60741 E FR60741 E FR 60741E FR 60741D A FR60741D A FR 60741DA FR 60741 E FR60741 E FR 60741E
Authority
FR
France
Prior art keywords
manufacture
fluorescent lamps
lamps
fluorescent
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
Other languages
French (fr)
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.)
Compagnie des Lampes
Original Assignee
Compagnie des Lampes
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 Compagnie des Lampes filed Critical Compagnie des Lampes
Application granted granted Critical
Publication of FR60741E publication Critical patent/FR60741E/en
Expired legal-status Critical Current

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
    • C09K11/70—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus
    • C09K11/72—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus also containing halogen, e.g. halophosphates
    • C09K11/73—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing phosphorus also containing halogen, e.g. halophosphates also containing alkaline earth metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
FR60741D 1950-06-06 1950-06-06 Improvements in the manufacture of fluorescent lamps Expired FR60741E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR60741T 1950-06-06

Publications (1)

Publication Number Publication Date
FR60741E true FR60741E (en) 1955-01-25

Family

ID=8694408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR60741D Expired FR60741E (en) 1950-06-06 1950-06-06 Improvements in the manufacture of fluorescent lamps

Country Status (1)

Country Link
FR (1) FR60741E (en)

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