BE808314A - TWO-STEP PHOTOGRAPHIC PROCESSING OF BLACK AND WHITE IMAGES - Google Patents

TWO-STEP PHOTOGRAPHIC PROCESSING OF BLACK AND WHITE IMAGES

Info

Publication number
BE808314A
BE808314A BE138597A BE138597A BE808314A BE 808314 A BE808314 A BE 808314A BE 138597 A BE138597 A BE 138597A BE 138597 A BE138597 A BE 138597A BE 808314 A BE808314 A BE 808314A
Authority
BE
Belgium
Prior art keywords
black
photographic processing
white images
step photographic
images
Prior art date
Application number
BE138597A
Other languages
French (fr)
Inventor
D J Sykes
L D Pratt
Original Assignee
Hunt Chem Corp Philip A
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 Hunt Chem Corp Philip A filed Critical Hunt Chem Corp Philip A
Publication of BE808314A publication Critical patent/BE808314A/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
    • G03C5/38—Fixing; Developing-fixing; Hardening-fixing
    • 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
    • G03C5/40—Chemically transforming developed images
    • G03C5/42—Reducing; Intensifying
BE138597A 1972-12-07 1973-12-06 TWO-STEP PHOTOGRAPHIC PROCESSING OF BLACK AND WHITE IMAGES BE808314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31282872A 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
BE808314A true BE808314A (en) 1974-03-29

Family

ID=23213195

Family Applications (1)

Application Number Title Priority Date Filing Date
BE138597A BE808314A (en) 1972-12-07 1973-12-06 TWO-STEP PHOTOGRAPHIC PROCESSING OF BLACK AND WHITE IMAGES

Country Status (5)

Country Link
JP (1) JPS49110345A (en)
BE (1) BE808314A (en)
CA (1) CA1029592A (en)
FR (1) FR2209951B1 (en)
GB (1) GB1448006A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7211682B2 (en) 2003-07-21 2007-05-01 Akzo Nobel N.V. Aqueous solution of a sodium salt of HEDTA

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH336257A (en) * 1953-12-05 1959-02-15 Agfa Ag Method of bleach-fixing photographic images
BE698038A (en) * 1966-05-06 1967-10-16
DE1942688A1 (en) * 1968-09-13 1970-06-25 Rca Corp Developers for use in developing silver emulsion photographic plates
GB1336102A (en) * 1972-01-03 1973-11-07 Fuji Photo Film Co Ltd Processing of silver halide photographic material

Also Published As

Publication number Publication date
FR2209951A1 (en) 1974-07-05
CA1029592A (en) 1978-04-18
GB1448006A (en) 1976-09-02
JPS49110345A (en) 1974-10-21
FR2209951B1 (en) 1977-08-12

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