EP0421278A3 - Heat-sensitive recording sheet - Google Patents

Heat-sensitive recording sheet Download PDF

Info

Publication number
EP0421278A3
EP0421278A3 EP19900118577 EP90118577A EP0421278A3 EP 0421278 A3 EP0421278 A3 EP 0421278A3 EP 19900118577 EP19900118577 EP 19900118577 EP 90118577 A EP90118577 A EP 90118577A EP 0421278 A3 EP0421278 A3 EP 0421278A3
Authority
EP
European Patent Office
Prior art keywords
heat
recording sheet
sensitive recording
sensitive
sheet
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
EP19900118577
Other languages
German (de)
Other versions
EP0421278B1 (en
EP0421278A2 (en
Inventor
Toshiaki Central Research Laoratory Minami
Tadakazu Central Research Laoratory Fukuchi
Reiji Central Research Laoratory Ohashi
Toshio Central Research Laoratory Kaneko
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.)
Nippon Paper Industries Co Ltd
Original Assignee
Jujo Paper 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
Application filed by Jujo Paper Co Ltd filed Critical Jujo Paper Co Ltd
Publication of EP0421278A2 publication Critical patent/EP0421278A2/en
Publication of EP0421278A3 publication Critical patent/EP0421278A3/en
Application granted granted Critical
Publication of EP0421278B1 publication Critical patent/EP0421278B1/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
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333—Non-macromolecular compounds
    • B41M5/3335—Compounds containing phenolic or carboxylic acid groups or metal salts thereof
    • B41M5/3336—Sulfur compounds, e.g. sulfones, sulfides, sulfonamides
    • 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

  • 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)
EP90118577A 1989-09-30 1990-09-27 Heat-sensitive recording sheet Expired - Lifetime EP0421278B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP255386/89 1989-09-30
JP1255386A JPH0712751B2 (en) 1989-09-30 1989-09-30 Thermal recording sheet

Publications (3)

Publication Number Publication Date
EP0421278A2 EP0421278A2 (en) 1991-04-10
EP0421278A3 true EP0421278A3 (en) 1991-06-05
EP0421278B1 EP0421278B1 (en) 1994-06-01

Family

ID=17278039

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90118577A Expired - Lifetime EP0421278B1 (en) 1989-09-30 1990-09-27 Heat-sensitive recording sheet

Country Status (5)

Country Link
US (1) US5066634A (en)
EP (1) EP0421278B1 (en)
JP (1) JPH0712751B2 (en)
CA (1) CA2023593C (en)
DE (1) DE59005917D1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5984363A (en) * 1993-05-03 1999-11-16 The Standard Register Company Business record having a thermally imagable surface
CN1158188C (en) * 1999-03-05 2004-07-21 日本制纸株式会社 Thermal recording material
JP4745281B2 (en) * 2006-11-30 2011-08-10 リズム時計工業株式会社 Emergency alert receiver
US9034790B2 (en) * 2013-03-14 2015-05-19 Appvion, Inc. Thermally-responsive record material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142630A (en) * 1983-07-04 1985-01-23 Shin Nisso Kako Co Ltd 4-hydroxy-4'-isopropoxydiphenylsulfone and use thereof in image recording by colour development
EP0131631A1 (en) * 1983-01-17 1985-01-23 Yoshitomi Pharmaceutical Industries, Ltd. Heat-sensitive recording paper
GB2163272A (en) * 1984-07-02 1986-02-19 Fuji Photo Film Co Ltd Recording material containing fluoran derivative as color former

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61108582A (en) * 1984-11-01 1986-05-27 Kanzaki Paper Mfg Co Ltd Thermal recording body
US4814320A (en) * 1986-04-15 1989-03-21 Yamada Chemical Co., Ltd. Heat-sensitive recording material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0131631A1 (en) * 1983-01-17 1985-01-23 Yoshitomi Pharmaceutical Industries, Ltd. Heat-sensitive recording paper
GB2142630A (en) * 1983-07-04 1985-01-23 Shin Nisso Kako Co Ltd 4-hydroxy-4'-isopropoxydiphenylsulfone and use thereof in image recording by colour development
GB2163272A (en) * 1984-07-02 1986-02-19 Fuji Photo Film Co Ltd Recording material containing fluoran derivative as color former

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 10, no. 295 (M-523)(2351) 07 Oktober 1986, & JP-A-61 108582 (KANZAKI PAPER MANUFACTURING CO LTD) 27 Mai 1986, *

Also Published As

Publication number Publication date
CA2023593A1 (en) 1991-03-31
JPH03118188A (en) 1991-05-20
EP0421278B1 (en) 1994-06-01
JPH0712751B2 (en) 1995-02-15
US5066634A (en) 1991-11-19
CA2023593C (en) 2001-04-10
DE59005917D1 (en) 1994-07-07
EP0421278A2 (en) 1991-04-10

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