DE421244C - Process for the production of natural color prints after multicolor photographs - Google Patents

Process for the production of natural color prints after multicolor photographs

Info

Publication number
DE421244C
DE421244C DEJ25560D DEJ0025560D DE421244C DE 421244 C DE421244 C DE 421244C DE J25560 D DEJ25560 D DE J25560D DE J0025560 D DEJ0025560 D DE J0025560D DE 421244 C DE421244 C DE 421244C
Authority
DE
Germany
Prior art keywords
production
natural color
color prints
hand
relief
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
DEJ25560D
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.)
JOS PE FARBENPHOTO GmbH
Original Assignee
JOS PE FARBENPHOTO GmbH
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 DEJ24645D external-priority patent/DE421243C/en
Application filed by JOS PE FARBENPHOTO GmbH filed Critical JOS PE FARBENPHOTO GmbH
Priority to DEJ25560D priority Critical patent/DE421244C/en
Application granted granted Critical
Publication of DE421244C publication Critical patent/DE421244C/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
    • G03C7/22—Subtractive cinematographic processes; Materials therefor; Preparing or processing such materials
    • G03C7/25—Dye-imbibition processes; Materials therefor; Preparing or processing such materials

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Description

Verfahren zur Herstellung von Naturfarbendrucken nach 1Vlehrfarbenaufnahmen. Zusatz zum Patent 421243. Das Hauptpatent schützt ein Verfahren zur Herstellung von Naturfarbendrucken nach Mehrfarbenaufnahmen mittels Gelatineauswaschreliefs unter Verwendung des Aufsaugeprinzips, darin bestehend, daß das als Matrize dienende Auswaschrelief in an sich bekannter Weise im «#Vege der Härtung bei der Entwicklung und des nachfolgenden Auswaschens der urgehärtet gebliebenen Gelatine aus einem Halogensilberbild hergestellt wird und daß als Druckfarbe solche Farbstoffe verwendet werden, welche entweder nur für den Einfarbendruck mittels der genannten Art von Auswaschreliefs oder nur für den Druck mittels anders hergestellter Gelatinereliefs geeignet sind und welchen solche Zusätze gegeben werden, die einerseits das Maß der Einfärbung des Reliefs, anderseits die übergangsgeschwindigkeit des Farbstoffes beim Druck zu beeinflussen gestatten.Process for the production of natural color prints after 1Vlehr color recordings. Addition to patent 421243. The main patent protects a method of manufacture from natural color prints to multi-color photos using gelatin wash-out reliefs using the suction principle, consisting in the fact that the one serving as a die Wash-out relief in a manner known per se in the process of hardening during development and the subsequent washing out of the gelatin that has remained initially hardened from one Halogensilberbild is produced and that such dyes are used as printing ink which either only for single-color printing by means of the aforementioned type of Wash-out reliefs or just for printing using gelatin reliefs made differently are suitable and which such additives are given, on the one hand, the measure the coloring of the relief, on the other hand the transfer rate of the dye to influence the pressure.

Die Erfindung hat nun zum Gegenstand eine weitere Ausbildung dieses Verfahrens und insbesondere seiner im Anspruch 3 des Hauptpatentes gekennzeichneten Ausführungsform, gemäß welcher bei Verwendung von Farbstoffen, welche das harte Relief einerseits ungenügend anfärben, anderseits vom Relief beim Druck zu langsam übergehen, Zusätze von schwachen organischen Säuren, von mehrbasischen anorganischen Säuren oder von primären. Salzen der mehrbasischen Säumen mit oder ohne gleichzeitige Hinzufügung von kolloidalen Bindemitteln gegeben werden.The subject of the invention is a further development of this Method and in particular its characterized in claim 3 of the main patent Embodiment, according to which when using dyes which the hard On the one hand, insufficiently dye the relief, on the other hand, the relief is too slow when printing pass over, additions of weak organic acids, of polybasic inorganic acids Acids or from primary. Salting of the polybasic hems with or without simultaneous Addition of colloidal binders can be given.

Das Neue der Erfindung besteht nun darin, daß an Stelle der genannten organischen und anorganischen Säuren oder primären Salze Ammoniumsulfat verwendet wird, durch das, wie Versuche ergeben haben, der angestrebte Erfolg gleich gut, wenn nicht besser, erreicht wird.The novelty of the invention is that in place of the above organic and inorganic acids or primary salts ammonium sulfate are used by which, as tests have shown, the desired success is equally good, if not better, is achieved.

Claims (1)

PATENTANSPRUCH: Ausbildung des Verfahrens zur Herstellung von Naturfarbendrucken nach Mehrfarbenaufnahmen gemäß Patent 421243, dadurch gekennzeichnet, -daß bei Verwendung von Farbstoffen, welche das harte Relief einerseits ungenügend anfärben, anderseits vom Relief beim Druck zulangsam übergehen, ein Zusatz von Ammoniumsulfat mit oder ohne gleichzeitige Hinzufügung von kolloidalen Bindemitteln gegeben wird.PATENT CLAIM: Development of the process for the production of natural color prints after multicolor recordings according to patent 421243, characterized in that when used of dyes, which on the one hand insufficiently stain the hard relief, on the other hand to slowly pass over from the relief when printing, an addition of ammonium sulfate with or is given without the simultaneous addition of colloidal binders.
DEJ25560D 1924-04-05 1924-12-20 Process for the production of natural color prints after multicolor photographs Expired DE421244C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEJ25560D DE421244C (en) 1924-04-05 1924-12-20 Process for the production of natural color prints after multicolor photographs

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEJ24645D DE421243C (en) 1924-04-05 1924-04-05 Process for the production of natural color prints after multicolor photographs
DEJ25560D DE421244C (en) 1924-04-05 1924-12-20 Process for the production of natural color prints after multicolor photographs

Publications (1)

Publication Number Publication Date
DE421244C true DE421244C (en) 1926-02-24

Family

ID=7202276

Family Applications (1)

Application Number Title Priority Date Filing Date
DEJ25560D Expired DE421244C (en) 1924-04-05 1924-12-20 Process for the production of natural color prints after multicolor photographs

Country Status (1)

Country Link
DE (1) DE421244C (en)

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