GB292140A - Improvements relating to the desensitising of photographic plates or films - Google Patents

Improvements relating to the desensitising of photographic plates or films

Info

Publication number
GB292140A
GB292140A GB15169/28A GB1516928A GB292140A GB 292140 A GB292140 A GB 292140A GB 15169/28 A GB15169/28 A GB 15169/28A GB 1516928 A GB1516928 A GB 1516928A GB 292140 A GB292140 A GB 292140A
Authority
GB
United Kingdom
Prior art keywords
phenosafranine
iso
films
desensitising
improvements relating
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
GB15169/28A
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Publication of GB292140A publication Critical patent/GB292140A/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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/32—Latensification; Densensitisation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB15169/28A 1927-06-15 1928-05-23 Improvements relating to the desensitising of photographic plates or films Expired GB292140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI0031435 1927-06-15

Publications (1)

Publication Number Publication Date
GB292140A true GB292140A (en) 1928-09-13

Family

ID=7187873

Family Applications (1)

Application Number Title Priority Date Filing Date
GB15169/28A Expired GB292140A (en) 1927-06-15 1928-05-23 Improvements relating to the desensitising of photographic plates or films

Country Status (5)

Country Link
US (1) US1760756A (enrdf_load_stackoverflow)
BE (1) BE349610A (enrdf_load_stackoverflow)
FR (1) FR650786A (enrdf_load_stackoverflow)
GB (1) GB292140A (enrdf_load_stackoverflow)
NL (1) NL25041C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3403025A (en) * 1965-08-25 1968-09-24 Eastman Kodak Co Desensitization of silver halides to visible radiation with thiuram disulfides

Also Published As

Publication number Publication date
FR650786A (fr) 1929-02-11
US1760756A (en) 1930-05-27
BE349610A (enrdf_load_stackoverflow)
NL25041C (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
CH414343A (de) Verfahren zur Herstellung von photographischen Halogensilberemulsionen
GB333820A (en) Improvements in or relating to the manufacture of light-sensitive layers
GB1076296A (en) Improvements relating to photographic emulsions
GB292140A (en) Improvements relating to the desensitising of photographic plates or films
CH339051A (de) Verfahren zur Sensibilisierung von photographischen Halogensilberemulsionen
GB580173A (en) Improvements in or relating to photographic processes
GB981254A (en) Photographic gelatino-silver halide emulsions of increased sensitivity
CA494604A (en) Direct positive emulsion containing desensitizing dye
GB875878A (en) Improvements relating to photographic processes and to stabilising solutions for usein such processes
GB707704A (en) Improvements in or relating to direct positive photographic emulsions
CH312984A (de) Verfahren zur Entwicklung photographischer Positive nach dem Silbersalzdiffusionsverfahren
AU161920B2 (en) Impwovement in chemical sensitization of photographic emulsions
ES214095A3 (es) Perfeccionamientos en la fabricación de rayón
AU163416B2 (en) Improvement in chemical sensitization of photographic emulsions
AU163415B2 (en) Improvement in chemical sensitization of photographic emulsions
CA504320A (en) Aqueous emulsions containing hydrazine derivatives as emulsifying agents
CA545976A (en) Photographic emulsions containing tanning developing agents
AU2132353A (en) Impwovement in chemical sensitization of photographic emulsions
AU2132553A (en) Improvement in chemical sensitization of photographic emulsions
AU2132453A (en) Improvement in chemical sensitization of photographic emulsions
CA494602A (en) Palladium complexes as photographic emulsion stabilizers
GB305653A (en) Improvements in or relating to cellulose films
CA492439A (en) Polymerization of vinylidene compounds in aqueous emulsions in the presence of ionizable silver compounds and ammonia
AU164275B2 (en) Improvements in photographic emulsions containing mercury salts
CH236756A (de) Verfahren zur Absorption von Chlorwasserstoff.