GB2004380B - Heat-bleachable composition useful in photography - Google Patents

Heat-bleachable composition useful in photography

Info

Publication number
GB2004380B
GB2004380B GB7837354A GB7837354A GB2004380B GB 2004380 B GB2004380 B GB 2004380B GB 7837354 A GB7837354 A GB 7837354A GB 7837354 A GB7837354 A GB 7837354A GB 2004380 B GB2004380 B GB 2004380B
Authority
GB
United Kingdom
Prior art keywords
photography
heat
composition useful
bleachable composition
bleachable
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
GB7837354A
Other languages
English (en)
Other versions
GB2004380A (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.)
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 GB2004380A publication Critical patent/GB2004380A/en
Application granted granted Critical
Publication of GB2004380B publication Critical patent/GB2004380B/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
    • 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)
GB7837354A 1977-09-19 1978-09-19 Heat-bleachable composition useful in photography Expired GB2004380B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
GB2004380A GB2004380A (en) 1979-03-28
GB2004380B true GB2004380B (en) 1982-04-07

Family

ID=25267283

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7837354A Expired GB2004380B (en) 1977-09-19 1978-09-19 Heat-bleachable composition useful in photography

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
JP4723779B2 (ja) * 1999-09-14 2011-07-13 株式会社林原生物化学研究所 スチリル色素
WO2001040382A1 (fr) 1999-12-02 2001-06-07 Kabushiki Kaisha Hayashibara Seibutsu Kagaku Kenkyujo Colorant au styryl
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
FR2403580B1 (enrdf_load_stackoverflow) 1980-10-10
BE870605A (fr) 1979-03-19
GB2004380A (en) 1979-03-28
JPS5456818A (en) 1979-05-08
FR2403580A1 (fr) 1979-04-13
CA1116003A (en) 1982-01-12
DE2840634A1 (de) 1979-03-29
JPS6332177B2 (enrdf_load_stackoverflow) 1988-06-28

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970919