BE475247A - - Google Patents

Info

Publication number
BE475247A
BE475247A BE475247DA BE475247A BE 475247 A BE475247 A BE 475247A BE 475247D A BE475247D A BE 475247DA BE 475247 A BE475247 A BE 475247A
Authority
BE
Belgium
Application number
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.)
Publication of BE475247A publication Critical patent/BE475247A/xx

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
    • G03C5/29—Development processes or agents therefor
    • G03C5/305—Additives other than developers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/166—Toner containing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
BE475247D 1940-10-15 BE475247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US361278A US2298093A (en) 1940-10-15 1940-10-15 Production of photographs in blueblack tones

Publications (1)

Publication Number Publication Date
BE475247A true BE475247A (en)

Family

ID=23421378

Family Applications (1)

Application Number Title Priority Date Filing Date
BE475247D BE475247A (en) 1940-10-15

Country Status (3)

Country Link
US (1) US2298093A (en)
BE (1) BE475247A (en)
GB (1) GB644788A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB571174A (en) * 1944-02-03 1945-08-09 Douglas James Fry Improvements in or relating to the production of photographic light-sensitive emulsions
GB660856A (en) * 1949-04-11 1951-11-14 Ilford Ltd Improvements in or relating to photographic materials
GB8923906D0 (en) * 1989-10-24 1989-12-13 Kodak Ltd Tone controlling compounds
GB9603658D0 (en) * 1996-02-21 1996-04-17 Minnesota Mining & Mfg Photographic materials with improved image tone
JP2000514931A (en) * 1996-07-15 2000-11-07 イーストマン コダック カンパニー Image tone modulator for silver halide photographic film

Also Published As

Publication number Publication date
US2298093A (en) 1942-10-06
GB644788A (en) 1950-10-18

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