FR1187271A - Process for improving the quality of light - Google Patents

Process for improving the quality of light

Info

Publication number
FR1187271A
FR1187271A FR1187271DA FR1187271A FR 1187271 A FR1187271 A FR 1187271A FR 1187271D A FR1187271D A FR 1187271DA FR 1187271 A FR1187271 A FR 1187271A
Authority
FR
France
Prior art keywords
improving
quality
light
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.)
Claude Paz et Visseaux SA
Original Assignee
Claude Paz et Visseaux SA
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 Claude Paz et Visseaux SA filed Critical Claude Paz et Visseaux SA
Application granted granted Critical
Publication of FR1187271A publication Critical patent/FR1187271A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/38—Devices for influencing the colour or wavelength of the light
    • H01J61/40—Devices for influencing the colour or wavelength of the light by light filters; by coloured coatings in or on the envelope
    • 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
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
    • C09K11/025—Use of particular materials as binders, particle coatings or suspension media therefor non-luminescent particle coatings or suspension media

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
FR1187271D 1957-11-26 1957-11-26 Process for improving the quality of light Expired FR1187271A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1187271T 1957-11-26

Publications (1)

Publication Number Publication Date
FR1187271A true FR1187271A (en) 1959-09-09

Family

ID=9664758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1187271D Expired FR1187271A (en) 1957-11-26 1957-11-26 Process for improving the quality of light

Country Status (1)

Country Link
FR (1) FR1187271A (en)

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