GB510259A - Improvements in or relating to the development of photographic layers - Google Patents

Improvements in or relating to the development of photographic layers

Info

Publication number
GB510259A
GB510259A GB292838A GB292838A GB510259A GB 510259 A GB510259 A GB 510259A GB 292838 A GB292838 A GB 292838A GB 292838 A GB292838 A GB 292838A GB 510259 A GB510259 A GB 510259A
Authority
GB
United Kingdom
Prior art keywords
development
coo
developer
systems
during
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
GB292838A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB510259A publication Critical patent/GB510259A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G03C5/263Processes using silver-salt-containing photosensitive materials or agents therefor with an exterior influence, e.g. ultrasonics, electrical or thermal means
    • 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
    • G03C5/30Developers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Electrolytic Production Of Metals (AREA)
GB292838A 1938-01-28 1938-01-29 Improvements in or relating to the development of photographic layers Expired GB510259A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER0110343 1938-01-28

Publications (1)

Publication Number Publication Date
GB510259A true GB510259A (en) 1939-07-31

Family

ID=7421843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB292838A Expired GB510259A (en) 1938-01-28 1938-01-29 Improvements in or relating to the development of photographic layers

Country Status (5)

Country Link
CH (1) CH213441A (enrdf_load_stackoverflow)
ES (1) ES153493A1 (enrdf_load_stackoverflow)
FR (1) FR846968A (enrdf_load_stackoverflow)
GB (1) GB510259A (enrdf_load_stackoverflow)
NL (1) NL58769C (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL58769C (enrdf_load_stackoverflow)
CH213441A (de) 1941-02-15
ES153493A1 (es) 1943-03-01
FR846968A (fr) 1939-09-28

Similar Documents

Publication Publication Date Title
GB1375126A (enrdf_load_stackoverflow)
SE7703520L (sv) Elektrolys av alkalimetallhalidlosning
JPS5956587A (ja) コリン塩基の製造および色安定化法
SE7903037L (sv) Elektropletering av metaller
GB510259A (en) Improvements in or relating to the development of photographic layers
GB1511727A (en) Electrolytic method for regenerating waste developers used for processing silver halide photographic materials
ATE84379T1 (de) Elektrochemische metall-halogen-zelle.
JPS6131196B2 (enrdf_load_stackoverflow)
JPS5541858A (en) Regeneration of cation exchange membrane
JPS52131528A (en) Production of glutathione of reduced type
GB1385646A (en) Process for the preparation of 3,5-diiodo-4-hydroxy-benzonitrile and 3-iodo-4-hydroxy-5-nitro-benzonitrile
GB455429A (en) Improvements in or relating to apparatus for the electrolysis of aqueous solutions of sodium sulphate
SE7607989L (sv) Forfarande for framstellning av vattenhaltig alkalihydroxidlosning med hog renhet
Gulland et al. The oxytocic hormone of the posterior lobe of the pituitary gland: Recognition as an oxidation-reduction system
JPS5719390A (en) Method for mounting ion exchange membrane to electrolytic cell
JPS60221595A (ja) 空気極を陰極とする塩化アルカリ電解槽の運転方法
DE704402C (de) Verfahren zum Entwickeln photographischer Metallsalzschichten
Rasch et al. Development of motion-picture positive film by vanadous ion
JPS55148778A (en) Manufacture of caustic alkali used ion exchange membrane
MacNevin et al. The Electrolytic Oxidation of Arsenic (III) in Acid Solution
JPS5312798A (en) Electrolyzing eqiupment for aqueous solution of alkali metal salt
JPS55148779A (en) Preventing method of membrane deterioration by polyvalent metal ion
GB569656A (en) A process for the production of halogenated organic hydroxy compounds
JPS56153666A (en) Chemical element for conversion of light energy
JPS6328297B2 (enrdf_load_stackoverflow)