DE69504627T3 - Thermosensitive recording medium - Google Patents

Thermosensitive recording medium

Info

Publication number
DE69504627T3
DE69504627T3 DE1995604627 DE69504627T DE69504627T3 DE 69504627 T3 DE69504627 T3 DE 69504627T3 DE 1995604627 DE1995604627 DE 1995604627 DE 69504627 T DE69504627 T DE 69504627T DE 69504627 T3 DE69504627 T3 DE 69504627T3
Authority
DE
Germany
Prior art keywords
recording medium
thermosensitive recording
thermosensitive
medium
recording
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 - Lifetime
Application number
DE1995604627
Other languages
German (de)
Other versions
DE69504627D1 (en
DE69504627T2 (en
Inventor
Hiroshi Goto
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=DE69504627(T3) "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/en
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of DE69504627D1 publication Critical patent/DE69504627D1/en
Application granted granted Critical
Publication of DE69504627T2 publication Critical patent/DE69504627T2/en
Publication of DE69504627T3 publication Critical patent/DE69504627T3/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)
DE1995604627 1994-12-09 1995-06-14 Thermosensitive recording medium Expired - Lifetime DE69504627T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6331852A JPH07223364A (en) 1993-12-15 1994-12-09 Thermal recording medium
US08/355,974 US5532201A (en) 1993-12-15 1994-12-14 Thermosensitive recording medium

Publications (3)

Publication Number Publication Date
DE69504627D1 DE69504627D1 (en) 1998-10-15
DE69504627T2 DE69504627T2 (en) 1999-03-11
DE69504627T3 true DE69504627T3 (en) 2003-02-27

Family

ID=26573986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1995604627 Expired - Lifetime DE69504627T3 (en) 1994-12-09 1995-06-14 Thermosensitive recording medium

Country Status (2)

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

Family Cites Families (8)

* 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
JPS61121875A (en) 1984-11-12 1986-06-09 チヤネルロツク　インコ−ポレイテツド Slip connection plier
JPH074986B2 (en) * 1986-05-26 1995-01-25 富士写真フイルム株式会社 Thermal recording material
DE3781259T2 (en) * 1986-12-25 1993-03-11 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa METHOD FOR PRODUCING A HEAT-SENSITIVE RECORDING MATERIAL.
JP2570747B2 (en) † 1987-06-18 1997-01-16 凸版印刷株式会社 Thermal recording material
JPH0825335B2 (en) 1987-10-13 1996-03-13 富士写真フイルム株式会社 Thermal recording material
DE69120645T2 (en) † 1990-12-26 1997-02-13 Ricoh Kk Reversible thermosensitive recording composition, recording medium, recording method and display device using the recording medium
JPH05104859A (en) † 1991-10-15 1993-04-27 Ricoh Co Ltd Transparent thermal recording medium

Also Published As

Publication number Publication date
EP0715964A3 (en) 1996-07-10
DE69504627D1 (en) 1998-10-15
EP0715964B2 (en) 2002-10-30
EP0715964B1 (en) 1998-09-09
EP0715964A2 (en) 1996-06-12
DE69504627T2 (en) 1999-03-11

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings