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FR1140789A - Method for preparing positive copies on the site side by hot development - Google Patents

Method for preparing positive copies on the site side by hot development

Info

Publication number
FR1140789A
FR1140789A FR1140789DA FR1140789A FR 1140789 A FR1140789 A FR 1140789A FR 1140789D A FR1140789D A FR 1140789DA FR 1140789 A FR1140789 A FR 1140789A
Authority
FR
France
Prior art keywords
site side
preparing positive
positive copies
hot development
hot
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
Other languages
French (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.)
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
Application granted granted Critical
Publication of FR1140789A publication Critical patent/FR1140789A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D9/00—Diffusion development apparatus
    • G03D9/006—Diffusion development apparatus using heat
    • 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
    • G03C8/40—Development by heat ; Photo-thermographic processes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1140789D 1955-02-07 1956-02-04 Method for preparing positive copies on the site side by hot development Expired FR1140789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA22040A DE1004043B (en) 1955-02-07 1955-02-07 Process for the production of correct-sided, positive images by heat development

Publications (1)

Publication Number Publication Date
FR1140789A true FR1140789A (en) 1957-08-13

Family

ID=6925072

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1140789D Expired FR1140789A (en) 1955-02-07 1956-02-04 Method for preparing positive copies on the site side by hot development

Country Status (6)

Country Link
US (1) US2971840A (en)
BE (1) BE544850A (en)
CH (1) CH341389A (en)
DE (1) DE1004043B (en)
FR (1) FR1140789A (en)
GB (1) GB801053A (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE555263A (en) * 1956-02-25
BE558193A (en) * 1956-06-09
BE573503A (en) * 1957-12-03
DE1080854B (en) * 1957-12-10 1960-04-28 Zindler Lumoprint Kg Process for the production of correct-sided positive images under the influence of heat and positive material for the implementation of this process
DE1175988B (en) * 1958-04-19 1964-08-13 Zindler Lumoprint Kg Process for developing and at the same time stabilizing exposed photographic halogen silver emulsion layers, material for carrying out this process and process for producing this material
DE1157481B (en) * 1959-07-15
US3041170A (en) * 1959-10-29 1962-06-26 Eastman Kodak Co New class of development promoter precursors for dry processing self-developing silver halide coatings
US3220846A (en) * 1960-06-27 1965-11-30 Eastman Kodak Co Use of salts of readily decarboxylated acids in thermography, photography, photothermography and thermophotography
US3248219A (en) * 1960-09-06 1966-04-26 Cons Electrodynamics Corp Photographic element for dry processing
NL256771A (en) * 1960-10-12
US3266370A (en) * 1960-10-20 1966-08-16 Alvin M Marks Electro-thermo-phototropic compositions and apparatus
US3397983A (en) * 1961-02-17 1968-08-20 Gevaert Photo Prod Nv Photographic materials producing a color change by reacting a metal salt with tetrahydroquinoline
NL275378A (en) * 1961-03-06
BE637359A (en) * 1962-09-15
DE1298415B (en) * 1962-10-29 1969-06-26 Eastman Kodak Co Method for the transmission of images
US3306747A (en) * 1962-12-26 1967-02-28 Polaroid Corp Diffusion transfer product with microcapsules containing glycerin-water solutions
US3275437A (en) * 1963-01-24 1966-09-27 Du Pont Image transfer process and elements therefor
US3914125A (en) * 1964-09-21 1975-10-21 Minnesota Mining & Mfg Diffusion transfer element and method of using same
US4009034A (en) * 1973-07-09 1977-02-22 Xerox Corporation Dry film processing
NL7810745A (en) * 1977-10-28 1979-05-02 Ciba Geigy PROCESS FOR THE MANUFACTURE OF PHOTOGRAPHIC IMAGES.
US5270145A (en) * 1991-12-06 1993-12-14 Eastman Kodak Company Heat image separation system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US742405A (en) * 1901-12-17 1903-10-27 Farbenfabriken Elberfeld Co Photographic plate and process of making same.
US809651A (en) * 1902-07-25 1906-01-09 Solon Vathis Process for producing multicolored photographic proofs.
GB427962A (en) * 1933-10-27 1935-04-29 Werner Paul Leuch Improvements in or relating to the production of photographic diazotype prints
US2352014A (en) * 1941-07-21 1944-06-20 Rott Andre Photomechanical printing process and printing material for carrying out the same
BE519520A (en) * 1952-05-03
US2747999A (en) * 1953-03-16 1956-05-29 Eastman Kodak Co Photographic reproduction process
US2704721A (en) * 1954-04-22 1955-03-22 Polaroid Corp Photographic diffusion transfer reversal processes

Also Published As

Publication number Publication date
CH341389A (en) 1959-09-30
GB801053A (en) 1958-09-03
US2971840A (en) 1961-02-14
BE544850A (en)
DE1004043B (en) 1957-03-07

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