GB399387A - Improvements in anti-halation layers for photographic plates and films - Google Patents

Improvements in anti-halation layers for photographic plates and films

Info

Publication number
GB399387A
GB399387A GB5306/33A GB530633A GB399387A GB 399387 A GB399387 A GB 399387A GB 5306/33 A GB5306/33 A GB 5306/33A GB 530633 A GB530633 A GB 530633A GB 399387 A GB399387 A GB 399387A
Authority
GB
United Kingdom
Prior art keywords
para
pyridine
bis
quinaldine
condensing
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
GB5306/33A
Other languages
English (en)
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
Publication of GB399387A publication Critical patent/GB399387A/en
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
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Laminated Bodies (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
GB5306/33A 1930-02-18 1933-02-21 Improvements in anti-halation layers for photographic plates and films Expired GB399387A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE518363T 1930-02-18
DEI43830D DE579078C (de) 1930-02-18 1932-02-25 Lichthofschutzschichten fuer photographische Platten und Filme

Publications (1)

Publication Number Publication Date
GB399387A true GB399387A (en) 1933-10-05

Family

ID=25945041

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5306/33A Expired GB399387A (en) 1930-02-18 1933-02-21 Improvements in anti-halation layers for photographic plates and films

Country Status (3)

Country Link
BE (1) BE394502A (xx)
DE (1) DE579078C (xx)
GB (1) GB399387A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE414508A (xx) * 1935-04-10

Also Published As

Publication number Publication date
BE394502A (xx)
DE579078C (de) 1933-06-20

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