BE870605A - Produit photographique contenant un colorant blanchissable sous l'action de la chaleur - Google Patents

Produit photographique contenant un colorant blanchissable sous l'action de la chaleur

Info

Publication number
BE870605A
BE870605A BE190589A BE190589A BE870605A BE 870605 A BE870605 A BE 870605A BE 190589 A BE190589 A BE 190589A BE 190589 A BE190589 A BE 190589A BE 870605 A BE870605 A BE 870605A
Authority
BE
Belgium
Prior art keywords
blanchable
dye
action
heat
under
Prior art date
Application number
BE190589A
Other languages
English (en)
French (fr)
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 BE870605A publication Critical patent/BE870605A/xx

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
    • G03C1/00—Photosensitive materials
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/83—Organic dyestuffs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
    • B41M5/286—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using compounds undergoing unimolecular fragmentation to obtain colour shift, e.g. bleachable dyes
    • 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
    • G03C1/00—Photosensitive materials
    • G03C1/494—Silver salt compositions other than silver halide emulsions; Photothermographic systems ; Thermographic systems using noble metal compounds
    • G03C1/498—Photothermographic systems, e.g. dry silver
    • G03C1/49836—Additives
    • G03C1/49845—Active additives, e.g. toners, stabilisers, sensitisers
    • G03C1/49854—Dyes or precursors of dyes

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
BE190589A 1977-09-19 1978-09-19 Produit photographique contenant un colorant blanchissable sous l'action de la chaleur BE870605A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83458777A 1977-09-19 1977-09-19

Publications (1)

Publication Number Publication Date
BE870605A true BE870605A (fr) 1979-03-19

Family

ID=25267283

Family Applications (1)

Application Number Title Priority Date Filing Date
BE190589A BE870605A (fr) 1977-09-19 1978-09-19 Produit photographique contenant un colorant blanchissable sous l'action de la chaleur

Country Status (6)

Country Link
JP (1) JPS5456818A (enrdf_load_stackoverflow)
BE (1) BE870605A (enrdf_load_stackoverflow)
CA (1) CA1116003A (enrdf_load_stackoverflow)
DE (1) DE2840634A1 (enrdf_load_stackoverflow)
FR (1) FR2403580A1 (enrdf_load_stackoverflow)
GB (1) GB2004380B (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8307023D0 (en) * 1983-03-15 1983-04-20 Minnesota Mining & Mfg Dye bleach system
DE4142956C2 (de) * 1991-12-24 1996-08-14 Du Pont Deutschland Bleichbares Lichthofschutzsystem für photographische Aufzeichnungsmaterialien
JP3817787B2 (ja) * 1996-02-09 2006-09-06 コニカミノルタホールディングス株式会社 ロイコ染料、ハロゲン化銀写真感光材料、その画像形成方法およびその処理方法
EP1130063A1 (en) * 1999-09-14 2001-09-05 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Styryl dye
KR20020001738A (ko) 1999-12-02 2002-01-09 하야시바라 켄 스티릴색소
US6455210B1 (en) 2000-12-06 2002-09-24 Eastman Kodak Company Aqueous thermally beachable composition useful in a photothermographic element
US6558880B1 (en) 2001-06-06 2003-05-06 Eastman Kodak Company Thermally developable imaging materials containing heat-bleachable antihalation composition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769019A (en) * 1968-05-29 1973-10-30 Minnesota Mining & Mfg Light and heat sensitive sheet material
FR2089284A5 (enrdf_load_stackoverflow) * 1970-04-09 1972-01-07 Agfa Gevaert Nv

Also Published As

Publication number Publication date
CA1116003A (en) 1982-01-12
GB2004380A (en) 1979-03-28
JPS5456818A (en) 1979-05-08
GB2004380B (en) 1982-04-07
JPS6332177B2 (enrdf_load_stackoverflow) 1988-06-28
FR2403580B1 (enrdf_load_stackoverflow) 1980-10-10
DE2840634A1 (de) 1979-03-29
FR2403580A1 (fr) 1979-04-13

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: EASTMAN KODAK CY

Effective date: 19940930