FR2140463A1 - Reinforcing photographic images - by treating with soln of cobalt(iii) complex in presence of reducing agent - Google Patents

Reinforcing photographic images - by treating with soln of cobalt(iii) complex in presence of reducing agent

Info

Publication number
FR2140463A1
FR2140463A1 FR7220220A FR7220220A FR2140463A1 FR 2140463 A1 FR2140463 A1 FR 2140463A1 FR 7220220 A FR7220220 A FR 7220220A FR 7220220 A FR7220220 A FR 7220220A FR 2140463 A1 FR2140463 A1 FR 2140463A1
Authority
FR
France
Prior art keywords
soln
cobalt
iii
complex
reducing agent
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.)
Granted
Application number
FR7220220A
Other languages
English (en)
Other versions
FR2140463B1 (fr
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of FR2140463A1 publication Critical patent/FR2140463A1/fr
Application granted granted Critical
Publication of FR2140463B1 publication Critical patent/FR2140463B1/fr
Granted 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
    • G03C7/3017—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction
    • G03C7/3018—Colour processes using colour-coupling substances; Materials therefor; Preparing or processing such materials with intensification of the image by oxido-reduction using cobalt compounds
    • 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
    • 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
    • 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
    • G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/02—Photosensitive materials characterised by the image-forming section
    • G03C8/08—Photosensitive materials characterised by the image-forming section the substances transferred by diffusion consisting of organic compounds

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
FR7220220A 1971-06-07 1972-06-06 Reinforcing photographic images - by treating with soln of cobalt(iii) complex in presence of reducing agent Granted FR2140463A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15074171A 1971-06-07 1971-06-07

Publications (2)

Publication Number Publication Date
FR2140463A1 true FR2140463A1 (en) 1973-01-19
FR2140463B1 FR2140463B1 (fr) 1978-03-03

Family

ID=22535813

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7220220A Granted FR2140463A1 (en) 1971-06-07 1972-06-06 Reinforcing photographic images - by treating with soln of cobalt(iii) complex in presence of reducing agent

Country Status (8)

Country Link
JP (1) JPS4923634A (fr)
AU (1) AU470471B2 (fr)
BE (1) BE784473A (fr)
BR (2) BR7203594D0 (fr)
CH (1) CH539866A (fr)
FR (1) FR2140463A1 (fr)
RO (1) RO64416A (fr)
ZA (2) ZA723896B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5153826A (ja) * 1974-11-06 1976-05-12 Fuji Photo Film Co Ltd Gazokeiseihoho
JPS589940B2 (ja) * 1975-08-11 1983-02-23 富士写真フイルム株式会社 ガゾウケイセイホウホウ

Also Published As

Publication number Publication date
ZA723896B (en) 1973-03-28
BR7203593D0 (pt) 1973-05-31
JPS4923634A (fr) 1974-03-02
FR2140463B1 (fr) 1978-03-03
RO64416A (fr) 1980-01-15
AU470471B2 (en) 1976-03-18
ZA723897B (en) 1973-03-28
BR7203594D0 (pt) 1973-05-31
BE784473A (fr) 1972-12-06
AU4311772A (en) 1973-12-13
CH539866A (fr) 1973-07-31

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