GB469133A - Improvements in or relating to the toning of photographic prints - Google Patents

Improvements in or relating to the toning of photographic prints

Info

Publication number
GB469133A
GB469133A GB3556/36A GB355636A GB469133A GB 469133 A GB469133 A GB 469133A GB 3556/36 A GB3556/36 A GB 3556/36A GB 355636 A GB355636 A GB 355636A GB 469133 A GB469133 A GB 469133A
Authority
GB
United Kingdom
Prior art keywords
nickel
bath
salt
colour
image
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
GB3556/36A
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.)
FRANCIS H SNYDER Inc
Original Assignee
FRANCIS H SNYDER Inc
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
Priority claimed from US59794A external-priority patent/US2171609A/en
Application filed by FRANCIS H SNYDER Inc filed Critical FRANCIS H SNYDER Inc
Publication of GB469133A publication Critical patent/GB469133A/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
    • G03C5/46—Toning

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Coloring (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
GB3556/36A 1935-02-26 1936-02-05 Improvements in or relating to the toning of photographic prints Expired GB469133A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US469133XA 1935-02-26 1935-02-26
US59794A US2171609A (en) 1936-01-18 1936-01-18 Toning photographic prints
US280216A US2231201A (en) 1935-02-26 1939-06-20 Toning photographic prints

Publications (1)

Publication Number Publication Date
GB469133A true GB469133A (en) 1937-07-20

Family

ID=27367018

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3556/36A Expired GB469133A (en) 1935-02-26 1936-02-05 Improvements in or relating to the toning of photographic prints

Country Status (4)

Country Link
US (2) US2231201A (fr)
DE (1) DE690608C (fr)
FR (1) FR806013A (fr)
GB (1) GB469133A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458168A (en) * 1945-08-27 1949-01-04 Polaroid Corp Production of light-polarizing images

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2785958A (en) * 1953-11-24 1957-03-19 Brown Forman Distillers Corp Method for quantitatively testing for thiosulfate radical

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2458168A (en) * 1945-08-27 1949-01-04 Polaroid Corp Production of light-polarizing images

Also Published As

Publication number Publication date
DE690608C (fr) 1940-04-30
US2231201A (en) 1941-02-11
USB223120I5 (fr)
FR806013A (fr) 1936-12-05

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