US1954452A - Method of making color photographs - Google Patents

Method of making color photographs Download PDF

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Publication number
US1954452A
US1954452A US437267A US43726730A US1954452A US 1954452 A US1954452 A US 1954452A US 437267 A US437267 A US 437267A US 43726730 A US43726730 A US 43726730A US 1954452 A US1954452 A US 1954452A
Authority
US
United States
Prior art keywords
color
silver
image
images
layer
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 - Lifetime
Application number
US437267A
Other languages
English (en)
Inventor
Leopold D Mannes
Jr Leopold Godowsky
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
Priority to DENDAT616941D priority Critical patent/DE616941C/de
Priority to BE376782D priority patent/BE376782A/xx
Application filed by Individual filed Critical Individual
Priority to US437267A priority patent/US1954452A/en
Priority to GB15226/32A priority patent/GB376838A/en
Priority to FR709707D priority patent/FR709707A/fr
Application granted granted Critical
Publication of US1954452A publication Critical patent/US1954452A/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials

Definitions

  • a second method involving no substantial change in the manufacture of the sensitive material described in the previous patents and application referred to, is to separate the treatment of the developed, fixed and washed film or plate for subsequent coloring by methods of controlled diffusion of chemical solutions employed as disclosed in our prior patents.
  • the coatings may be simultaneously bleached in potassium ferricyanide and the upper one (or two in the case .of triple-coating) alone redeveloped by controlled diffusion of a concentrated developer.
  • the undeveloped lower layer still containing an image-record in silver ferrocyanide, may be developed by immersionin a color-forming developer as described above which will not affect the redeveloped silver of the upper layer or layers.
  • the plate, or film may be fixed in sodium thiosulfate, washed, and then dried, and the remaining layer or layers bleached tosilver ferrocyanide, for redevelopment in another color-forming developer, and so on to the third coating in 5 the case ofthree-color photography.
  • the remaining metallic silver formed in the color developers is removed by solution in sodium thiosulfate and potassium ferrocyanide, or some other solvent of silver.
  • the colored negative is printed on a similarly coated positive which in turn is color-developed substantially as described for the negative.
  • the surface record may be dissolved and removed after drying and the remaining lower layers treated for the two colors only. This method of treatment of the exposed plate may also be applied to triple coatings.
  • Paraphenylenediamines and paramidophenols are typical developers used in conjunction with the color-formers.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
US437267A 1930-03-19 1930-03-19 Method of making color photographs Expired - Lifetime US1954452A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DENDAT616941D DE616941C (fr) 1930-03-19
BE376782D BE376782A (fr) 1930-03-19
US437267A US1954452A (en) 1930-03-19 1930-03-19 Method of making color photographs
GB15226/32A GB376838A (en) 1930-03-19 1931-01-16 Improvements in processes for the production of colour photographs
FR709707D FR709707A (fr) 1930-03-19 1931-01-20 Film photographique et procédé pour l'établir

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US437267A US1954452A (en) 1930-03-19 1930-03-19 Method of making color photographs

Publications (1)

Publication Number Publication Date
US1954452A true US1954452A (en) 1934-04-10

Family

ID=23735743

Family Applications (1)

Application Number Title Priority Date Filing Date
US437267A Expired - Lifetime US1954452A (en) 1930-03-19 1930-03-19 Method of making color photographs

Country Status (5)

Country Link
US (1) US1954452A (fr)
BE (1) BE376782A (fr)
DE (1) DE616941C (fr)
FR (1) FR709707A (fr)
GB (1) GB376838A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561299A (en) * 1945-07-23 1951-07-17 Fraunhofer Hans Von Color cinematography
US2567712A (en) * 1945-06-07 1951-09-11 Du Pont Element for recording photographic images
US2571725A (en) * 1946-08-15 1951-10-16 Eastman Kodak Co Eliminating stain in photographic color material
US2705200A (en) * 1950-11-15 1955-03-29 Gen Aniline & Film Corp Bipack color film containing nondiffusing color formers and processing thereof
US2884325A (en) * 1954-03-05 1959-04-28 Agfa Ag Process for the production of a yellow mask image in magenta-colored photographic images

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE414508A (fr) * 1935-04-10
DE759108C (de) * 1935-10-03 1952-10-27 Ig Farbenindustrie Ag Verfahren zur Herstellung von Mehrfarbenbildern mit Hilfe von Mehrschichtenfilmen durch farbgebende Entwicklung
DE969811C (de) * 1938-12-18 1958-07-17 Agfa Ag Verfahren zur Herstellung von kinematographischen Mehrfarbenbildern mit Tonaufzeichnung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2567712A (en) * 1945-06-07 1951-09-11 Du Pont Element for recording photographic images
US2561299A (en) * 1945-07-23 1951-07-17 Fraunhofer Hans Von Color cinematography
US2571725A (en) * 1946-08-15 1951-10-16 Eastman Kodak Co Eliminating stain in photographic color material
US2705200A (en) * 1950-11-15 1955-03-29 Gen Aniline & Film Corp Bipack color film containing nondiffusing color formers and processing thereof
US2884325A (en) * 1954-03-05 1959-04-28 Agfa Ag Process for the production of a yellow mask image in magenta-colored photographic images

Also Published As

Publication number Publication date
DE616941C (fr)
BE376782A (fr)
FR709707A (fr) 1931-08-12
GB376838A (en) 1932-07-18

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