GB1077885A - Preparations for increasing contrast in the production of photographic images from silver halide layers - Google Patents

Preparations for increasing contrast in the production of photographic images from silver halide layers

Info

Publication number
GB1077885A
GB1077885A GB387365A GB387365A GB1077885A GB 1077885 A GB1077885 A GB 1077885A GB 387365 A GB387365 A GB 387365A GB 387365 A GB387365 A GB 387365A GB 1077885 A GB1077885 A GB 1077885A
Authority
GB
United Kingdom
Prior art keywords
polyethyleneglycol
prepared
polyethylene glycol
reacting
preparations
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
GB387365A
Other languages
English (en)
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
Publication of GB1077885A publication Critical patent/GB1077885A/en
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)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Plural Heterocyclic Compounds (AREA)
GB387365A 1964-02-18 1965-01-28 Preparations for increasing contrast in the production of photographic images from silver halide layers Expired GB1077885A (en)

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
GB1077885A true GB1077885A (en) 1967-08-02

Family

ID=4222541

Family Applications (1)

Application Number Title Priority Date Filing Date
GB387365A Expired GB1077885A (en) 1964-02-18 1965-01-28 Preparations for increasing contrast in the production of photographic images from silver halide layers

Country Status (4)

Country Link
BE (1) BE659834A (US20030220297A1-20031127-C00009.png)
CH (1) CH440974A (US20030220297A1-20031127-C00009.png)
FR (1) FR1422620A (US20030220297A1-20031127-C00009.png)
GB (1) GB1077885A (US20030220297A1-20031127-C00009.png)

Also Published As

Publication number Publication date
CH440974A (de) 1967-07-31
FR1422620A (fr) 1965-12-24
BE659834A (US20030220297A1-20031127-C00009.png) 1965-08-17

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