FR828279A - Couche filtrante absorbant l'ultra-violet - Google Patents

Couche filtrante absorbant l'ultra-violet

Info

Publication number
FR828279A
FR828279A FR828279DA FR828279A FR 828279 A FR828279 A FR 828279A FR 828279D A FR828279D A FR 828279DA FR 828279 A FR828279 A FR 828279A
Authority
FR
France
Prior art keywords
ultra
filter layer
absorbing filter
violet absorbing
violet
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)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR828279A publication Critical patent/FR828279A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching
    • G03C1/8155—Organic compounds therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR828279D 1936-10-27 1937-10-25 Couche filtrante absorbant l'ultra-violet Expired FR828279A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0056223 1936-10-27

Publications (1)

Publication Number Publication Date
FR828279A true FR828279A (fr) 1938-05-13

Family

ID=1553817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR828279D Expired FR828279A (fr) 1936-10-27 1937-10-25 Couche filtrante absorbant l'ultra-violet

Country Status (3)

Country Link
BE (1) BE424255A (en:Method)
CH (1) CH204254A (en:Method)
FR (1) FR828279A (en:Method)

Also Published As

Publication number Publication date
BE424255A (en:Method) 1937-11-30
CH204254A (de) 1939-04-30

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