FR774833A - Perfectionnements aux substances fluorescentes - Google Patents

Perfectionnements aux substances fluorescentes

Info

Publication number
FR774833A
FR774833A FR774833DA FR774833A FR 774833 A FR774833 A FR 774833A FR 774833D A FR774833D A FR 774833DA FR 774833 A FR774833 A FR 774833A
Authority
FR
France
Prior art keywords
fluorescent substances
fluorescent
substances
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
English (en)
Inventor
Leonard Angelo Levy
Donald Willoughby West
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.)
Ilford Imaging UK Ltd
Original Assignee
Ilford Ltd
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 Ilford Ltd filed Critical Ilford Ltd
Application granted granted Critical
Publication of FR774833A publication Critical patent/FR774833A/fr
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 materials, e.g. electroluminescent or chemiluminescent
    • C09K11/08—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials
    • C09K11/60—Luminescent materials, e.g. electroluminescent or chemiluminescent containing inorganic luminescent materials containing iron, cobalt or nickel
    • C09K11/602—Chalcogenides
    • C09K11/605—Chalcogenides with zinc or cadmium

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
FR774833D 1933-07-11 1934-06-21 Perfectionnements aux substances fluorescentes Expired FR774833A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB774833X 1933-07-11

Publications (1)

Publication Number Publication Date
FR774833A true FR774833A (fr) 1934-12-14

Family

ID=10497446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774833D Expired FR774833A (fr) 1933-07-11 1934-06-21 Perfectionnements aux substances fluorescentes

Country Status (1)

Country Link
FR (1) FR774833A (fr)

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