GB1565825A - Process for forming positive images - Google Patents

Process for forming positive images Download PDF

Info

Publication number
GB1565825A
GB1565825A GB47737/76A GB4773776A GB1565825A GB 1565825 A GB1565825 A GB 1565825A GB 47737/76 A GB47737/76 A GB 47737/76A GB 4773776 A GB4773776 A GB 4773776A GB 1565825 A GB1565825 A GB 1565825A
Authority
GB
United Kingdom
Prior art keywords
silver
layer
silver halide
colorant
image
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
GB47737/76A
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of GB1565825A publication Critical patent/GB1565825A/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
    • G03C7/28—Silver dye bleach processes; 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
    • G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
    • G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
    • G03C5/50—Reversal development; Contact processes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
GB47737/76A 1975-11-17 1976-11-16 Process for forming positive images Expired GB1565825A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/632,729 US4029509A (en) 1975-11-17 1975-11-17 Positive process using a low coating weight silver halide

Publications (1)

Publication Number Publication Date
GB1565825A true GB1565825A (en) 1980-04-23

Family

ID=24536704

Family Applications (1)

Application Number Title Priority Date Filing Date
GB47737/76A Expired GB1565825A (en) 1975-11-17 1976-11-16 Process for forming positive images

Country Status (9)

Country Link
US (1) US4029509A (enExample)
JP (1) JPS5262439A (enExample)
AU (1) AU502448B2 (enExample)
BE (1) BE848342A (enExample)
BR (1) BR7607641A (enExample)
CA (1) CA1091972A (enExample)
DE (1) DE2651941C2 (enExample)
FR (1) FR2331815A1 (enExample)
GB (1) GB1565825A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5820424B2 (ja) * 1976-10-12 1983-04-22 富士写真フイルム株式会社 カラ−画像形成方法
FR2407495A1 (fr) * 1977-10-28 1979-05-25 Ciba Geigy Ag Procede pour la realisation d'images photographiques
DE3060381D1 (en) 1979-02-02 1982-07-01 Agfa Gevaert Nv Photographic imaging process and materials suitable therefor
IT1144001B (it) * 1980-07-28 1986-10-29 Minnesota Mining & Mfg Elemento fotografico per sviluppo tannante e procedimento per ottenere un'immagine colorata in rilievo
US4609613A (en) * 1980-12-29 1986-09-02 Permanent Images, Inc. Permanent reproductions and formation method therefor
DD222758A3 (de) * 1981-10-29 1985-05-22 Defa Zentralstelle Fuer Filmte Chinonhaltige loesung, insbesondere fotografisches bleichband
US4460679A (en) * 1983-07-15 1984-07-17 E. I. Du Pont De Nemours And Company Low coating weight silver halide element
US4654296A (en) * 1984-07-26 1987-03-31 E. I. Du Pont De Nemours And Company Process for making lithographic film using photopolymer diffusion modulation layer for pigmented bottom layer
US4579808A (en) * 1984-07-27 1986-04-01 E. I. Du Pont De Nemours And Company Imageable colloidal metal/mercaptan elements
US4923389A (en) * 1988-04-29 1990-05-08 E. I. Du Pont De Nemours And Company Negative working low silver wash-off contact film

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE680688C (de) * 1931-12-03 1939-09-06 Bela Gaspar Dr Verfahren zur Herstellung photographischer Farbstoffbilder
US2322001A (en) * 1940-10-10 1943-06-15 Eastman Kodak Co Method of producing dye images
US2875052A (en) * 1949-08-06 1959-02-24 Weyde Edith Photographic material for the direct production of positive photographic images
US2856284A (en) * 1955-01-07 1958-10-14 Eastman Kodak Co Photomagnetic printing process
BE609927A (enExample) * 1959-01-12
US3501298A (en) * 1966-04-08 1970-03-17 Eastman Kodak Co Photographic papers
US3737317A (en) * 1971-04-12 1973-06-05 Eastman Kodak Co Photographic elements and processes
BG18355A1 (enExample) * 1972-11-15 1974-10-25

Also Published As

Publication number Publication date
FR2331815A1 (fr) 1977-06-10
DE2651941A1 (de) 1977-05-26
AU1966576A (en) 1978-05-25
AU502448B2 (en) 1979-07-26
US4029509A (en) 1977-06-14
CA1091972A (en) 1980-12-23
FR2331815B1 (enExample) 1981-10-02
DE2651941C2 (de) 1985-03-14
JPS5262439A (en) 1977-05-23
JPS5340898B2 (enExample) 1978-10-30
BE848342A (fr) 1977-05-16
BR7607641A (pt) 1977-09-27

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931116