EP0715964A3 - - Google Patents

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Publication number
EP0715964A3
EP0715964A3 EP95109213A EP95109213A EP0715964A3 EP 0715964 A3 EP0715964 A3 EP 0715964A3 EP 95109213 A EP95109213 A EP 95109213A EP 95109213 A EP95109213 A EP 95109213A EP 0715964 A3 EP0715964 A3 EP 0715964A3
Authority
EP
European Patent Office
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
EP95109213A
Other versions
EP0715964A2 (en
EP0715964B2 (en
EP0715964B1 (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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26573986&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0715964(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP6331852A external-priority patent/JPH07223364A/ja
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of EP0715964A2 publication Critical patent/EP0715964A2/en
Publication of EP0715964A3 publication Critical patent/EP0715964A3/xx
Application granted granted Critical
Publication of EP0715964B1 publication Critical patent/EP0715964B1/en
Publication of EP0715964B2 publication Critical patent/EP0715964B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/337—Additives; Binders
    • B41M5/3375—Non-macromolecular compounds
    • 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333—Non-macromolecular compounds
    • 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
    • B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
    • B41M5/42—Intermediate, backcoat, or covering layers
    • B41M5/423—Intermediate, backcoat, or covering layers characterised by non-macromolecular compounds, e.g. waxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/04—Direct thermal recording [DTR]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
    • B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
    • 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
    • B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
    • B41M5/3275—Fluoran compounds

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP95109213A 1994-12-09 1995-06-14 Thermosensitive recording medium Expired - Lifetime EP0715964B2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP33185294 1994-12-09
JP331852/94 1994-12-09
JP6331852A JPH07223364A (ja) 1993-12-15 1994-12-09 感熱記録媒体
US08/355,974 US5532201A (en) 1993-12-15 1994-12-14 Thermosensitive recording medium
US355974 1994-12-14

Publications (4)

Publication Number Publication Date
EP0715964A2 EP0715964A2 (en) 1996-06-12
EP0715964A3 true EP0715964A3 (cs) 1996-07-10
EP0715964B1 EP0715964B1 (en) 1998-09-09
EP0715964B2 EP0715964B2 (en) 2002-10-30

Family

ID=26573986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95109213A Expired - Lifetime EP0715964B2 (en) 1994-12-09 1995-06-14 Thermosensitive recording medium

Country Status (2)

Country Link
EP (1) EP0715964B2 (cs)
DE (1) DE69504627T3 (cs)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH659975A5 (en) * 1983-05-16 1987-03-13 Ciba Geigy Ag Pressure-sensitive or heat-sensitive recording material
EP0247816A2 (en) * 1986-05-26 1987-12-02 Fuji Photo Film Co., Ltd. Heat-sensitive microcapsular colour recording material
EP0273752A2 (en) * 1986-12-25 1988-07-06 Fuji Photo Film Co., Ltd. Method of manufacturing heat sensitive recording material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61121875A (ja) 1984-11-12 1986-06-09 チヤネルロツク　インコ−ポレイテツド すべり接続プライヤ
JP2570747B2 (ja) † 1987-06-18 1997-01-16 凸版印刷株式会社 感熱記録材
JPH0825335B2 (ja) 1987-10-13 1996-03-13 富士写真フイルム株式会社 感熱記録材料
DE69120645T2 (de) † 1990-12-26 1997-02-13 Ricoh Kk Reversible wärmeempfindliche Aufzeichnungszusammensetzung, Aufzeichnungsmedium, Aufzeichnungsverfahren und Anzeigevorrichtung, die das Aufzeichnungsmedium verwendet
JPH05104859A (ja) † 1991-10-15 1993-04-27 Ricoh Co Ltd 透明感熱記録媒体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH659975A5 (en) * 1983-05-16 1987-03-13 Ciba Geigy Ag Pressure-sensitive or heat-sensitive recording material
EP0247816A2 (en) * 1986-05-26 1987-12-02 Fuji Photo Film Co., Ltd. Heat-sensitive microcapsular colour recording material
EP0273752A2 (en) * 1986-12-25 1988-07-06 Fuji Photo Film Co., Ltd. Method of manufacturing heat sensitive recording material

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Derwent World Patents Index; *

Also Published As

Publication number Publication date
EP0715964A2 (en) 1996-06-12
EP0715964B2 (en) 2002-10-30
DE69504627D1 (de) 1998-10-15
EP0715964B1 (en) 1998-09-09
DE69504627T2 (de) 1999-03-11
DE69504627T3 (de) 2003-02-27

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