FR806013A - Improved processes for coloring photographic prints and preparations for carrying out the said process - Google Patents

Improved processes for coloring photographic prints and preparations for carrying out the said process

Info

Publication number
FR806013A
FR806013A FR806013DA FR806013A FR 806013 A FR806013 A FR 806013A FR 806013D A FR806013D A FR 806013DA FR 806013 A FR806013 A FR 806013A
Authority
FR
France
Prior art keywords
preparations
carrying
improved processes
photographic prints
coloring
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
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.)
FRANCIS H SNYDER
Original Assignee
FRANCIS H SNYDER
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 filed Critical FRANCIS H SNYDER
Application granted granted Critical
Publication of FR806013A publication Critical patent/FR806013A/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)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
FR806013D 1935-02-26 1936-02-17 Improved processes for coloring photographic prints and preparations for carrying out the said process Expired FR806013A (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
FR806013A true FR806013A (en) 1936-12-05

Family

ID=27367018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806013D Expired FR806013A (en) 1935-02-26 1936-02-17 Improved processes for coloring photographic prints and preparations for carrying out the said process

Country Status (4)

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

Families Citing this family (2)

* 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
US2785958A (en) * 1953-11-24 1957-03-19 Brown Forman Distillers Corp Method for quantitatively testing for thiosulfate radical

Also Published As

Publication number Publication date
US2231201A (en) 1941-02-11
GB469133A (en) 1937-07-20
USB223120I5 (en)
DE690608C (en) 1940-04-30

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