GB1427386A - Process for bleach-fixing colour photographic silver halide material - Google Patents

Process for bleach-fixing colour photographic silver halide material

Info

Publication number
GB1427386A
GB1427386A GB1760373A GB1760373A GB1427386A GB 1427386 A GB1427386 A GB 1427386A GB 1760373 A GB1760373 A GB 1760373A GB 1760373 A GB1760373 A GB 1760373A GB 1427386 A GB1427386 A GB 1427386A
Authority
GB
United Kingdom
Prior art keywords
bleach
fix bath
length
bath
fix
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
GB1760373A
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 AG
Original Assignee
Agfa Gevaert 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 Gevaert AG filed Critical Agfa Gevaert AG
Publication of GB1427386A publication Critical patent/GB1427386A/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
    • G03C7/00Multicolour photographic processes or agents therefor; Regeneration of such processing agents; Photosensitive materials for multicolour processes
    • G03C7/30Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials
    • G03C7/42Bleach-fixing or agents therefor ; Desilvering processes
    • 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
    • G03C5/395Regeneration of photographic processing agents other than developers; Replenishers therefor
    • G03C5/3958Replenishment processes or compositions, i.e. addition of useful photographic processing agents
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03DAPPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/02Details of liquid circulation
    • G03D3/06Liquid supply; Liquid circulation outside tanks
    • G03D3/065Liquid supply; Liquid circulation outside tanks replenishment or recovery apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photographic Processing Devices Using Wet Methods (AREA)

Abstract

1427386 Bleach-fixing photographic silver halide material; automatic control of concentration AGFA-GEVAERT AG 12 April 1973 [12 April 1972] 17603/73 Headings G2C and G3R A developed colour photographic silver halide material is bleach-fixed using a bleach-fix bath containing a heavy metal complex of a complexforming aminopolyacetic acid as bleaching agent and a silver salt solvent by passing the material through a length of bleach-fix bath which is subdivided, bleach-fix bath regenerator which has a low silver content being supplied at the end of the length of bleach-fix bath and the end of the length of bleach-fix bath being carried to the beginning of the length of bleach-fix bath countercurrent to the direction of movement of the material where its oxidizing power is reduced by lowering the pH and/ or adding reducing agent so that colour fog formation is effectively suppressed. The bleaching agent may be the cobalt (III), copper (II) or iron (III) complex of a complex-forming aminopolyacetic acid e.g. ethylenediamine tetraacetic acid. The silver salt solvent may be sodium thiosulphate. The quantity of bleach-fix bath regenerator added at the end of the length of the bleach-fix bath may be such that an overflow of silver-containing bleach-fix bath is obtained at the beginning of the length of bleachfix bath which may be desilvered and processed into a bleach-fix bath regenerator. The oxidizing power of the bleach-fix bath may be decreased using a glass electrode (12) and a calomel electrode for pH control or a platinum electrode for pH control (13) to measure potential in the bleach-fix bath, amplifying the potential in the measuring amplifier (14) and operating magnetic valve (17) by way of governor (15) and relay (16). The storage tank (18) contains acid or reducing solution.
GB1760373A 1972-04-12 1973-04-12 Process for bleach-fixing colour photographic silver halide material Expired GB1427386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2217570A DE2217570A1 (en) 1972-04-12 1972-04-12 METHOD OF BLADING FIXING OF COLOR PHOTOGRAPHIC MATERIAL

Publications (1)

Publication Number Publication Date
GB1427386A true GB1427386A (en) 1976-03-10

Family

ID=5841718

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1760373A Expired GB1427386A (en) 1972-04-12 1973-04-12 Process for bleach-fixing colour photographic silver halide material

Country Status (6)

Country Link
US (1) US3879203A (en)
JP (1) JPS4911131A (en)
BE (1) BE797844A (en)
DE (1) DE2217570A1 (en)
FR (1) FR2180052B3 (en)
GB (1) GB1427386A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211630A (en) * 1974-06-26 1980-07-08 Ciba-Geigy Ag Electrolytic recovery of silver from photographic bleach-fix baths
US4065313A (en) * 1976-06-11 1977-12-27 Eastman Kodak Company Bleach-fix regeneration monitoring method
JPS578543A (en) * 1980-06-18 1982-01-16 Konishiroku Photo Ind Co Ltd Processing method for color photographic sensitive silver halide material
JPS58105148A (en) * 1981-12-17 1983-06-22 Fuji Photo Film Co Ltd Color photographic processing method
JPS6023857A (en) * 1983-07-20 1985-02-06 Fuji Photo Film Co Ltd Method for processing color photosensitive silver halide material
JPS60244950A (en) * 1984-05-21 1985-12-04 Fuji Photo Film Co Ltd Treatment of silver halide color photographic sensitive material
JPS61149949A (en) * 1984-12-25 1986-07-08 Konishiroku Photo Ind Co Ltd Method for controlling processing solution for silver halide photographic sensitive material
US4719173A (en) * 1985-10-07 1988-01-12 Eastman Kodak Company Process for multistage contacting
AU590628B2 (en) * 1985-10-15 1989-11-09 Fuji Photo Film Co., Ltd. Method of processing silver halide color photographic material
JPS6291952A (en) * 1985-10-18 1987-04-27 Fuji Photo Film Co Ltd Method for processing silver halide color photographic material
EP0296854B1 (en) * 1987-06-24 1993-08-18 Konica Corporation Method for processing light-sensitive silver halide color photographic material
JP2654777B2 (en) * 1987-06-25 1997-09-17 コニカ株式会社 Processing method of silver halide color photographic light-sensitive material
JP2654778B2 (en) * 1987-06-26 1997-09-17 コニカ株式会社 Processing method of silver halide color photographic light-sensitive material
US5221597A (en) * 1988-02-13 1993-06-22 Fuji Photo Film Co., Ltd. Method for processing silver halide color photographic materials
US5234801A (en) * 1989-07-24 1993-08-10 Fuji Photo Film Co., Ltd. Processing of silver halide color photographic material
GB9007361D0 (en) * 1990-04-02 1990-05-30 Kodak Ltd Improvements in chemical reaction systems
JP2820613B2 (en) * 1994-03-29 1998-11-05 新日本製鐵株式会社 Liquid phase diffusion bonding alloy foil for heat resistant materials that can be bonded in oxidizing atmosphere
DE19648760A1 (en) * 1996-11-25 1998-05-28 Agfa Gevaert Ag Processing of color photographic materials
US6221570B1 (en) * 2000-01-06 2001-04-24 Trebla Chemical Company One-part bleach-fix liquid concentrates
CA2396002A1 (en) * 2000-01-06 2001-07-12 Laszlo Papai One-part bleach-fix liquid concentrates
EP1160622A1 (en) * 2000-05-27 2001-12-05 Agfa-Gevaert N.V. A bleach-fixing concentrate
US6468722B1 (en) * 2001-03-30 2002-10-22 Eastman Kodak Company Photofinishing processing system and a processing solution supply cartridge for the processing system
BRPI0410570A (en) * 2003-05-22 2006-06-20 Coating Systems Lab Inc antimicrobial quaternary ammonium silane organos coatings

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1991251A (en) * 1934-02-05 1935-02-12 Thomas M Ingman Apparatus for and process of developing film
BE625533A (en) * 1961-12-05
US3634088A (en) * 1970-02-02 1972-01-11 Eastman Kodak Co Regeneration of blix solutions used in photographic processing
US3700450A (en) * 1971-01-07 1972-10-24 Eastman Kodak Co Regeneration of bleach-fix solutions used in photographic processing
US3767401A (en) * 1971-12-15 1973-10-23 Minnesota Mining & Mfg Regeneration of photographic bleach/fix baths
US3751251A (en) * 1972-03-01 1973-08-07 Eastman Kodak Co Method for preparing bleach-fix regenerator concentrate

Also Published As

Publication number Publication date
US3879203A (en) 1975-04-22
BE797844A (en) 1973-10-08
FR2180052A1 (en) 1973-11-23
DE2217570A1 (en) 1973-10-18
JPS4911131A (en) 1974-01-31
FR2180052B3 (en) 1976-03-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees