FR1422620A - Agents d'amélioration du contraste lors de la production d'images photographiques au moyen de couches d'halogénure d'argent - Google Patents

Agents d'amélioration du contraste lors de la production d'images photographiques au moyen de couches d'halogénure d'argent

Info

Publication number
FR1422620A
FR1422620A FR3213A FR3213A FR1422620A FR 1422620 A FR1422620 A FR 1422620A FR 3213 A FR3213 A FR 3213A FR 3213 A FR3213 A FR 3213A FR 1422620 A FR1422620 A FR 1422620A
Authority
FR
France
Prior art keywords
production
silver halide
photographic images
halide layers
contrast enhancers
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
FR3213A
Other languages
English (en)
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.)
Lumiere SA
Original Assignee
Lumiere SA
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 Lumiere SA filed Critical Lumiere SA
Application granted granted Critical
Publication of FR1422620A publication Critical patent/FR1422620A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333—Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043—Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
    • 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
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • G03C5/3056—Macromolecular additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
FR3213A 1964-02-18 1965-06-04 Agents d'amélioration du contraste lors de la production d'images photographiques au moyen de couches d'halogénure d'argent Expired FR1422620A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH195764A CH440974A (de) 1964-02-18 1964-02-18 Verwendung von Polyglykolen als Mittel zur Steigerung des Konstrastes bei der Herstellung photographischer Bilder aus Silberhalogenidemulsionsschichten

Publications (1)

Publication Number Publication Date
FR1422620A true FR1422620A (fr) 1965-12-24

Family

ID=4222541

Family Applications (1)

Application Number Title Priority Date Filing Date
FR3213A Expired FR1422620A (fr) 1964-02-18 1965-06-04 Agents d'amélioration du contraste lors de la production d'images photographiques au moyen de couches d'halogénure d'argent

Country Status (4)

Country Link
BE (1) BE659834A (is)
CH (1) CH440974A (is)
FR (1) FR1422620A (is)
GB (1) GB1077885A (is)

Also Published As

Publication number Publication date
BE659834A (is) 1965-08-17
CH440974A (de) 1967-07-31
GB1077885A (en) 1967-08-02

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