FR2403580A1 - 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
FR2403580A1
FR2403580A1 FR7826658A FR7826658A FR2403580A1 FR 2403580 A1 FR2403580 A1 FR 2403580A1 FR 7826658 A FR7826658 A FR 7826658A FR 7826658 A FR7826658 A FR 7826658A FR 2403580 A1 FR2403580 A1 FR 2403580A1
Authority
FR
France
Prior art keywords
blanchable
dye
action
heat
under
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
FR7826658A
Other languages
English (en)
French (fr)
Other versions
FR2403580B1 (OSRAM
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 FR2403580A1 publication Critical patent/FR2403580A1/fr
Application granted granted Critical
Publication of FR2403580B1 publication Critical patent/FR2403580B1/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
    • 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)
FR7826658A 1977-09-19 1978-09-18 Produit photographique contenant un colorant blanchissable sous l'action de la chaleur Granted FR2403580A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2403580A1 true FR2403580A1 (fr) 1979-04-13
FR2403580B1 FR2403580B1 (OSRAM) 1980-10-10

Family

ID=25267283

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7826658A Granted FR2403580A1 (fr) 1977-09-19 1978-09-18 Produit photographique contenant un colorant blanchissable sous l'action de la chaleur

Country Status (6)

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

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
KR20010089419A (ko) * 1999-09-14 2001-10-06 하야시바라 켄 스티릴색소
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

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927412A1 (de) * 1968-05-29 1970-01-02 Minnesota Mining & Mfg Transparente lichtempfindliche durch Waerme entwickelbare Blattmaterialien mit durch Waerme transparent werdenden Antihaloschichten
US3734733A (en) * 1970-04-09 1973-05-22 Agfa Gevaert Nv Positive working photo-thermographic materials containing bi-imidazolyl compounds and reducing agents and the use thereof in color development

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1927412A1 (de) * 1968-05-29 1970-01-02 Minnesota Mining & Mfg Transparente lichtempfindliche durch Waerme entwickelbare Blattmaterialien mit durch Waerme transparent werdenden Antihaloschichten
US3769019A (en) * 1968-05-29 1973-10-30 Minnesota Mining & Mfg Light and heat sensitive sheet material
US3734733A (en) * 1970-04-09 1973-05-22 Agfa Gevaert Nv Positive working photo-thermographic materials containing bi-imidazolyl compounds and reducing agents and the use thereof in color development

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV177/77 *

Also Published As

Publication number Publication date
DE2840634A1 (de) 1979-03-29
FR2403580B1 (OSRAM) 1980-10-10
BE870605A (fr) 1979-03-19
GB2004380B (en) 1982-04-07
JPS6332177B2 (OSRAM) 1988-06-28
GB2004380A (en) 1979-03-28
JPS5456818A (en) 1979-05-08
CA1116003A (en) 1982-01-12

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Legal Events

Date Code Title Description
ST Notification of lapse