BE779371A - Thickening photographic processing solns - with guar gum and/or carragheen - Google Patents

Thickening photographic processing solns - with guar gum and/or carragheen

Info

Publication number
BE779371A
BE779371A BE779371A BE779371A BE779371A BE 779371 A BE779371 A BE 779371A BE 779371 A BE779371 A BE 779371A BE 779371 A BE779371 A BE 779371A BE 779371 A BE779371 A BE 779371A
Authority
BE
Belgium
Prior art keywords
solns
carragheen
guar gum
thickening
photographic processing
Prior art date
Application number
BE779371A
Other languages
French (fr)
Original Assignee
Visual Graphics Corp
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 Visual Graphics Corp filed Critical Visual Graphics Corp
Priority to BE779371A priority Critical patent/BE779371A/en
Publication of BE779371A publication Critical patent/BE779371A/en

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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/261—Non-bath processes, e.g. using pastes, webs, viscous compositions

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

The viscosity of photographic solns. is increased by adding a thickening agent, pref. guar gum or carragheen or mixtures. The solns. may also contain a surfactant pref. ethanol, IPA, or dioctyl sodium sulphosuccinate. The solns. are prepd. by adding the photographic cpdS. to an aq. soln. of the thickening agent or, alternatively, the agent may first be dissolved in the surfactant. Pref. quantities are 0.2-0.5% thickening agent and 0-0.5% surfactant. Lower pumping speeds may be used in photo typographic equipment.
BE779371A 1972-02-15 1972-02-15 Thickening photographic processing solns - with guar gum and/or carragheen BE779371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE779371A BE779371A (en) 1972-02-15 1972-02-15 Thickening photographic processing solns - with guar gum and/or carragheen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE779371A BE779371A (en) 1972-02-15 1972-02-15 Thickening photographic processing solns - with guar gum and/or carragheen

Publications (1)

Publication Number Publication Date
BE779371A true BE779371A (en) 1972-05-30

Family

ID=3859258

Family Applications (1)

Application Number Title Priority Date Filing Date
BE779371A BE779371A (en) 1972-02-15 1972-02-15 Thickening photographic processing solns - with guar gum and/or carragheen

Country Status (1)

Country Link
BE (1) BE779371A (en)

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