GB769749A - Improvements in or relating to the manufacture of coloured photographic layers - Google Patents

Improvements in or relating to the manufacture of coloured photographic layers

Info

Publication number
GB769749A
GB769749A GB11984/55A GB1198455A GB769749A GB 769749 A GB769749 A GB 769749A GB 11984/55 A GB11984/55 A GB 11984/55A GB 1198455 A GB1198455 A GB 1198455A GB 769749 A GB769749 A GB 769749A
Authority
GB
United Kingdom
Prior art keywords
phenothiazine
prepared
dimethoxy
acid
aldehyde
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
GB11984/55A
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB769749A publication Critical patent/GB769749A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83Organic dyestuffs therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
GB11984/55A 1954-04-28 1955-04-26 Improvements in or relating to the manufacture of coloured photographic layers Expired GB769749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE769749X 1954-04-28

Publications (1)

Publication Number Publication Date
GB769749A true GB769749A (en) 1957-03-13

Family

ID=3880147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11984/55A Expired GB769749A (en) 1954-04-28 1955-04-26 Improvements in or relating to the manufacture of coloured photographic layers

Country Status (3)

Country Link
BE (1) BE528450A (enExample)
DE (1) DE963214C (enExample)
GB (1) GB769749A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611807A1 (en) * 1993-02-19 1994-08-24 Agfa-Gevaert N.V. Photographic material containing a non-sensitizing dye absorbing at 670 nm

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0611807A1 (en) * 1993-02-19 1994-08-24 Agfa-Gevaert N.V. Photographic material containing a non-sensitizing dye absorbing at 670 nm

Also Published As

Publication number Publication date
DE963214C (de) 1957-05-02
BE528450A (enExample)

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