GB147005A - Process for making coloured pictures - Google Patents

Process for making coloured pictures

Info

Publication number
GB147005A
GB147005A GB18948/20A GB1894820A GB147005A GB 147005 A GB147005 A GB 147005A GB 18948/20 A GB18948/20 A GB 18948/20A GB 1894820 A GB1894820 A GB 1894820A GB 147005 A GB147005 A GB 147005A
Authority
GB
United Kingdom
Prior art keywords
silver
copper
solution
dyed
toned
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
GB18948/20A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB147005A publication Critical patent/GB147005A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/40—Chemically transforming developed images
    • G03C5/48—Mordanting

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
  • Cosmetics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

147,005. Traube, A. Feb. 1, 1916, [Convention date]. Colour photography; toning.-For making coloured photographs a copper toned silver print is dyed with an organic basic dyestuff. Copper toned prints containing copper ferrocyanide may be dyed strongly to produce various tones, and for transparencies the silver ferricyanide can be dissolved away by a weak soda fixing-solution. Methylene blue (1 in 10,000) preferably with the addition of acetic acid may be used. Without removing the silver, very transparent pictures can be obtained by coating with a varnish such as a solution of damar in benzene. Specifications 10898/04, 21584/06, and 3666/15, are referred to.
GB18948/20A 1916-02-01 1920-07-06 Process for making coloured pictures Expired GB147005A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE147005X 1916-02-01
DET22397D DE403428C (en) 1916-02-01 1918-12-04 Process for producing dye images from copper images

Publications (1)

Publication Number Publication Date
GB147005A true GB147005A (en) 1921-03-10

Family

ID=25752213

Family Applications (2)

Application Number Title Priority Date Filing Date
GB18948/20A Expired GB147005A (en) 1916-02-01 1920-07-06 Process for making coloured pictures
GB14072/21A Expired GB163337A (en) 1916-02-01 1920-07-07 Process for making coloured pictures

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB14072/21A Expired GB163337A (en) 1916-02-01 1920-07-07 Process for making coloured pictures

Country Status (4)

Country Link
CH (1) CH92596A (en)
DE (1) DE403428C (en)
GB (2) GB147005A (en)
NL (1) NL8966C (en)

Also Published As

Publication number Publication date
NL8966C (en)
GB163337A (en) 1921-10-07
DE403428C (en) 1924-09-27
CH92596A (en) 1922-01-16

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