GB736881A - Stain removal in colour photography - Google Patents

Stain removal in colour photography

Info

Publication number
GB736881A
GB736881A GB444253A GB444253A GB736881A GB 736881 A GB736881 A GB 736881A GB 444253 A GB444253 A GB 444253A GB 444253 A GB444253 A GB 444253A GB 736881 A GB736881 A GB 736881A
Authority
GB
United Kingdom
Prior art keywords
acid
acids
diamino
water
feb
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
GB444253A
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.)
Agfa Gevaert NV
Original Assignee
Agfa 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 Agfa AG filed Critical Agfa AG
Publication of GB736881A publication Critical patent/GB736881A/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
    • G03C7/00—Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/3046—Processing baths not provided for elsewhere, e.g. final or intermediate washings

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
GB444253A 1952-02-19 1953-02-17 Stain removal in colour photography Expired GB736881A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF8394A DE1013168B (de) 1952-02-19 1952-02-19 Verfahren zur Verbesserung der Weissen von photographischen Farbenbildern

Publications (1)

Publication Number Publication Date
GB736881A true GB736881A (en) 1955-09-14

Family

ID=7085820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB444253A Expired GB736881A (en) 1952-02-19 1953-02-17 Stain removal in colour photography

Country Status (5)

Country Link
BE (1) BE517722A (fr)
CH (1) CH320780A (fr)
DE (1) DE1013168B (fr)
FR (1) FR1070887A (fr)
GB (1) GB736881A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5814834A (ja) * 1981-07-21 1983-01-27 Konishiroku Photo Ind Co Ltd ハロゲン化銀カラ−写真感光材料の安定化処理方法
US5508150A (en) * 1993-12-29 1996-04-16 Eastman Kodak Company Fixer additives used in combination with iron complex based bleaches to prevent iron retention

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2356486A (en) * 1943-04-15 1944-08-22 Eastman Kodak Co Stain prevention in color photography
US2440954A (en) * 1945-08-23 1948-05-04 Du Pont Process for eliminating stain from color-yielding elements by treatment with aromatic aldehydes containing an acyl group
US2475134A (en) * 1945-11-08 1949-07-05 Gen Aniline & Film Corp Sulfite antistain bath for multilayer color film
US2483971A (en) * 1947-11-18 1949-10-04 Gen Aniline & Film Corp Antistain baths for sensitive color photographic material

Also Published As

Publication number Publication date
CH320780A (de) 1957-04-15
BE517722A (fr)
FR1070887A (fr) 1954-08-18
DE1013168B (de) 1957-08-01

Similar Documents

Publication Publication Date Title
ES442126A1 (es) Procedimiento para la obtencion de soluciones concentradas de colorantes azoicos.
JPS5526506A (en) Bleaching method of color photographic material
GB736881A (en) Stain removal in colour photography
US3042520A (en) Bleaching bath for processing color film
GB1388048A (en) Phthalocyanine pigments
DE552434C (de) Verfahren zum Vermeiden von Luftflecken in den Bildschichten photographischer Materialien beim Behandeln in Baedern aller Art
JPS5220832A (en) Color photography processing method
JPS5435727A (en) Color photography processing method
GB1209050A (en) Photographic silver halide processing liquids
GB1324515A (en) Process for the removal of metallic silver from photographic material
DE2045998C3 (de) Verfahren zum Trennen von DL-Cystein in die optischen Antipoden
US3256092A (en) Corrosion inhibitors in bleach solutions
DE2227639A1 (de) Photographische farbentwicklermischung
GB1121367A (en) Readily dispersible inorganic pulverous compositions and process for their production
FR2177800A1 (en) Alkaline detergent compsns - for iminodiacetates as complex-forming agents
SE8305437L (sv) Peroxisyrahaltig blekmedel- och tvettmedelskomposition
US3586631A (en) Cleaning solution for removing silvercontaining deposits from photographic processing equipment
US3055726A (en) Method and composition for prevention of deposition of metal ions in alkaline medium and for dyeing
US2126504A (en) Sensitized blue print paper and coating therefor
DE896335C (de) Verfahren zum Verkuepen von Kuepenfarbstoffen
GB1487539A (en) Process for removing chromium-(vi)ions from the residual liquors of wool dyeing
GB1379971A (en) Polyazo dyes derived from dihydroxy benzhydrol
US2428208A (en) Dichromate bleach bath containing a wetting agent and method of bleaching therewith
GB860868A (en) Improvements in or relating to pigments
GB1122884A (en) Process for removing copper compounds from processing equipment