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

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32Polymers modified by chemical after-treatment
    • C08G65/329Polymers modified by chemical after-treatment with organic compounds
    • C08G65/333Polymers modified by chemical after-treatment with organic compounds containing nitrogen
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/005Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/04Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
    • G03C1/043Polyalkylene oxides; Polyalkylene sulfides; Polyalkylene selenides; Polyalkylene tellurides
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C5/00Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/29Development processes or agents therefor
    • G03C5/305Additives other than developers
    • G03C5/3056Macromolecular additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (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 (enrdf_load_stackoverflow)
CH (1) CH440974A (enrdf_load_stackoverflow)
FR (1) FR1422620A (enrdf_load_stackoverflow)
GB (1) GB1077885A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961892A (en) 1971-03-18 1976-06-08 Lever Brothers Company Textile softening agents

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3961892A (en) 1971-03-18 1976-06-08 Lever Brothers Company Textile softening agents

Also Published As

Publication number Publication date
CH440974A (de) 1967-07-31
FR1422620A (fr) 1965-12-24
BE659834A (enrdf_load_stackoverflow) 1965-08-17

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