EP4644129A4 - Wärmeempfindlicher aufzeichnungskörper - Google Patents

Wärmeempfindlicher aufzeichnungskörper

Info

Publication number
EP4644129A4
EP4644129A4 EP23912124.7A EP23912124A EP4644129A4 EP 4644129 A4 EP4644129 A4 EP 4644129A4 EP 23912124 A EP23912124 A EP 23912124A EP 4644129 A4 EP4644129 A4 EP 4644129A4
Authority
EP
European Patent Office
Prior art keywords
heat
sensitive recording
recording body
sensitive
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.)
Pending
Application number
EP23912124.7A
Other languages
English (en)
French (fr)
Other versions
EP4644129A1 (de
Inventor
Takashi Takemura
Naonobu Sugiyama
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.)
Oji Holdings Corp
Original Assignee
Oji Holdings Corp
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 Oji Holdings Corp filed Critical Oji Holdings Corp
Publication of EP4644129A1 publication Critical patent/EP4644129A1/de
Publication of EP4644129A4 publication Critical patent/EP4644129A4/de
Pending 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
    • B41M5/333—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
    • B41M5/30—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
    • B41M5/3372—Macromolecular compounds
    • 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
    • B41M5/40—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
    • B41M5/41—Base layers supports or substrates
    • 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
    • B41M5/44—Intermediate, backcoat, or covering layers characterised by the macromolecular compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
EP23912124.7A 2022-12-27 2023-12-26 Wärmeempfindlicher aufzeichnungskörper Pending EP4644129A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022209460A JP2024093225A (ja) 2022-12-27 2022-12-27 感熱記録体
PCT/JP2023/046609 WO2024143345A1 (ja) 2022-12-27 2023-12-26 感熱記録体

Publications (2)

Publication Number Publication Date
EP4644129A1 EP4644129A1 (de) 2025-11-05
EP4644129A4 true EP4644129A4 (de) 2026-04-15

Family

ID=91718056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23912124.7A Pending EP4644129A4 (de) 2022-12-27 2023-12-26 Wärmeempfindlicher aufzeichnungskörper

Country Status (4)

Country Link
EP (1) EP4644129A4 (de)
JP (1) JP2024093225A (de)
CN (1) CN120344401A (de)
WO (1) WO2024143345A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08175007A (ja) 1994-12-20 1996-07-09 New Oji Paper Co Ltd 感熱記録体
JPH09226246A (ja) 1996-02-27 1997-09-02 Oji Paper Co Ltd 感熱記録体
JP5861548B2 (ja) * 2012-04-04 2016-02-16 王子ホールディングス株式会社 感熱記録体
JP2016107533A (ja) * 2014-12-08 2016-06-20 三菱製紙株式会社 感熱記録材料
EP3533619A1 (de) * 2018-03-02 2019-09-04 Basf Se Wärmeempfindliches aufzeichnungsmaterial und farbentwickler
JP2019195907A (ja) * 2018-05-08 2019-11-14 王子ホールディングス株式会社 感熱磁気記録体
JP2022160290A (ja) * 2021-04-06 2022-10-19 日本化薬株式会社 感熱記録材料

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO2024143345A1 (ja) 2024-07-04
EP4644129A1 (de) 2025-11-05
JP2024093225A (ja) 2024-07-09
CN120344401A (zh) 2025-07-18

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Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250703

AK Designated contracting states

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20260318

RIC1 Information provided on ipc code assigned before grant

Ipc: B41M 5/333 20060101AFI20260312BHEP

Ipc: B41M 5/323 20060101ALI20260312BHEP

Ipc: B41M 5/337 20060101ALI20260312BHEP

Ipc: B41M 5/41 20060101ALI20260312BHEP

Ipc: B41M 5/44 20060101ALI20260312BHEP