FR1157287A - Process for preventing the precipitation of calcium salts and other insoluble salts in treatment baths, as well as in photographic layers - Google Patents

Process for preventing the precipitation of calcium salts and other insoluble salts in treatment baths, as well as in photographic layers

Info

Publication number
FR1157287A
FR1157287A FR1157287DA FR1157287A FR 1157287 A FR1157287 A FR 1157287A FR 1157287D A FR1157287D A FR 1157287DA FR 1157287 A FR1157287 A FR 1157287A
Authority
FR
France
Prior art keywords
salts
precipitation
preventing
well
photographic layers
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
Other languages
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Application granted granted Critical
Publication of FR1157287A publication Critical patent/FR1157287A/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
    • G03C1/00—Photosensitive materials
    • G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
    • G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
    • 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
    • G03C5/3053—Tensio-active agents or sequestering agents, e.g. water-softening or wetting agents

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Pyridine Compounds (AREA)
FR1157287D 1955-09-22 1956-09-20 Process for preventing the precipitation of calcium salts and other insoluble salts in treatment baths, as well as in photographic layers Expired FR1157287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL200654 1955-09-22

Publications (1)

Publication Number Publication Date
FR1157287A true FR1157287A (en) 1958-05-28

Family

ID=19750724

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1157287D Expired FR1157287A (en) 1955-09-22 1956-09-20 Process for preventing the precipitation of calcium salts and other insoluble salts in treatment baths, as well as in photographic layers

Country Status (5)

Country Link
BE (1) BE551132A (en)
DE (1) DE1019558B (en)
FR (1) FR1157287A (en)
GB (1) GB795914A (en)
NL (2) NL87714C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3966649A (en) * 1972-09-28 1976-06-29 Colgate-Palmolive Company Liquid detergents containing chelidamic acids and salts thereof
US5702873A (en) * 1991-12-03 1997-12-30 Eastman Kodak Company Redox amplification solutions containing metal ion sequestering agents
JPH06214365A (en) * 1992-12-14 1994-08-05 Eastman Kodak Co Bleaching accelerator, bleaching composition and photographic element

Also Published As

Publication number Publication date
DE1019558B (en) 1957-11-14
BE551132A (en)
NL200654A (en)
GB795914A (en) 1958-06-04
NL87714C (en)

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