DE585148C - Modification of the three-pack for three-color photography - Google Patents

Modification of the three-pack for three-color photography

Info

Publication number
DE585148C
DE585148C DEI43105D DEI0043105D DE585148C DE 585148 C DE585148 C DE 585148C DE I43105 D DEI43105 D DE I43105D DE I0043105 D DEI0043105 D DE I0043105D DE 585148 C DE585148 C DE 585148C
Authority
DE
Germany
Prior art keywords
pack
modification
color photography
filter layer
emulsion
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
DEI43105D
Other languages
German (de)
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Priority to DEI43105D priority Critical patent/DE585148C/en
Application granted granted Critical
Publication of DE585148C publication Critical patent/DE585148C/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/20—Subtractive colour processes using differently sensitised films, each coated on its own base, e.g. bipacks, tripacks

Description

Im Hauptpatent ist ein Dreipack geschützt, bei dem. der Mittelfilm zwei Filterschichten trägt. -A three-pack is protected in the main patent in which. the middle film has two filter layers wearing. -

Eine weitere Verbesserung dieses Dreipacks wurde erreicht, indem man auf der Emulsionsschicht des Vorderfilms eine mit einem gelben Farbstoff angefärbte Filterschicht anordnet. Hierdurch wird erreicht, daß die an sich meist zu steile Gradation der notwendigerweise feinkörnigen Emulsionsschicht des Vorderfilms verflacht wird.' Außerdem kann nun die Filterschicht auf dem Mittelfilm etwas auf·; gehellt werden, weil die Filterschicht des Vorderfilms mit derjenigen des Mittelfilms zusammen immer noch eine vollständige Absorption des blauen Lichtes bewirkt.A further improvement to this three-pack was achieved by adding on the emulsion layer of the front film arranges a filter layer colored with a yellow dye. In this way it is achieved that the gradation of the usually too steep is necessarily fine-grained emulsion layer of the front film is flattened. ' In addition, the Filter layer on the middle film slightly on ·; be lightened because the filter layer of the front film with that of the middle film still a complete absorption of the blue light.

Claims (2)

Patentansprüche:Patent claims: 1. Abänderung des Dreipacks für Farbenphotographie nach Patent 559 028, gekennzeichnet durch eine auf der Emulsionsschicht des Vorderfilms angeordnete Gelbfilterschicht.1. Modification of the three-pack for color photography according to patent 559 028, marked through a yellow filter layer disposed on the emulsion layer of the front film. 2. Dreipack nach Anspruch 1, gekennzeichnet durch eine solche Intensität der Gelbfilterschicht, daß die Gradation der Emulsion des Vorderfilms derjenigen der beiden anderen Emulsionsschichten angeglichen wird und daß im Zusammenwirken mit der Filterschicht des Mittelfilms alle blauen Strahlen absorbiert werden.2. Three-pack according to claim 1, characterized by such an intensity of Yellow filter layer that the gradation of the emulsion of the front film that of the the two other emulsion layers are matched and that in cooperation with the filter layer of the middle film all blue rays are absorbed.
DEI43105D 1931-07-01 1931-11-26 Modification of the three-pack for three-color photography Expired DE585148C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEI43105D DE585148C (en) 1931-07-01 1931-11-26 Modification of the three-pack for three-color photography

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEI0041985 1931-07-01
DEI0043105 1931-11-25
DEI43105D DE585148C (en) 1931-07-01 1931-11-26 Modification of the three-pack for three-color photography

Publications (1)

Publication Number Publication Date
DE585148C true DE585148C (en) 1933-09-29

Family

ID=27211001

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI43105D Expired DE585148C (en) 1931-07-01 1931-11-26 Modification of the three-pack for three-color photography

Country Status (1)

Country Link
DE (1) DE585148C (en)

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