CA1023146A - Thermoreactive recording material - Google Patents

Thermoreactive recording material

Info

Publication number
CA1023146A
CA1023146A CA192,890A CA192890A CA1023146A CA 1023146 A CA1023146 A CA 1023146A CA 192890 A CA192890 A CA 192890A CA 1023146 A CA1023146 A CA 1023146A
Authority
CA
Canada
Prior art keywords
recording material
thermoreactive recording
thermoreactive
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
Application number
CA192,890A
Other versions
CA192890S (en
Inventor
Franz Brunner
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Application granted granted Critical
Publication of CA1023146A publication Critical patent/CA1023146A/en
Expired 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
    • B41M5/323—Organic colour formers, e.g. leuco dyes
    • B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring

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)
  • Color Printing (AREA)
CA192,890A 1973-03-05 1974-02-19 Thermoreactive recording material Expired CA1023146A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH318773A CH578432A5 (en) 1973-03-05 1973-03-05

Publications (1)

Publication Number Publication Date
CA1023146A true CA1023146A (en) 1977-12-27

Family

ID=4250512

Family Applications (1)

Application Number Title Priority Date Filing Date
CA192,890A Expired CA1023146A (en) 1973-03-05 1974-02-19 Thermoreactive recording material

Country Status (11)

Country Link
JP (1) JPS595438B2 (en)
AR (1) AR201370A1 (en)
AT (1) AT331269B (en)
BE (1) BE811824A (en)
BR (1) BR7401570D0 (en)
CA (1) CA1023146A (en)
CH (1) CH578432A5 (en)
DE (1) DE2409112C2 (en)
FR (1) FR2220388B1 (en)
GB (1) GB1422096A (en)
ZA (1) ZA741382B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5273047A (en) * 1975-12-15 1977-06-18 Tomoegawa Paper Co Ltd Heat sensitive recording paper
GB1561272A (en) * 1976-04-27 1980-02-20 Ciba Geigy Ag Azomethine compounds their manufacture and use
US4189171A (en) * 1977-03-01 1980-02-19 Sterling Drug Inc. Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides
US4151748A (en) * 1977-12-15 1979-05-01 Ncr Corporation Two color thermally sensitive record material system
GB2051389A (en) * 1979-06-12 1981-01-14 Kores Nordic Danmark Thermosensitive Recording Material
CH653353A5 (en) * 1983-05-09 1985-12-31 Ciba Geigy Ag CHROMOGENIC 3,3-BISINDOLYL-4-AZAPHTHALIDE.
DE3440514A1 (en) * 1984-02-14 1985-09-05 Papierfabrik August Koehler AG, 7602 Oberkirch Thermal printing system
US4788285A (en) * 1985-06-17 1988-11-29 Hung William M Indole-phthalide derivatives
US4660060A (en) * 1985-06-17 1987-04-21 The Hilton-Davis Chemical Co. Imaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophenyl)phthalides
US4736027A (en) * 1985-06-17 1988-04-05 Hilton Davis Chemical Co. Indole-phthalide derivatives
EP0266310B1 (en) * 1986-10-28 2001-12-05 Ciba SC Holding AG Chromogenic phthalides
JP2006088645A (en) * 2004-09-27 2006-04-06 Sony Corp Reversible thermal recording medium
JP4575789B2 (en) * 2005-01-17 2010-11-04 パイロットインキ株式会社 Reversible thermochromic microcapsule pigment encapsulating a reversible thermochromic composition

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE831704C (en) * 1948-07-31 1952-02-18 Ncr Co Recording material for use in a duplicating composition
US2929736A (en) * 1957-07-25 1960-03-22 Ncr Co Heat and pressure responsive record material
GB1053905A (en) * 1964-05-11
US3455721A (en) * 1964-12-21 1969-07-15 Ncr Co Color sensitized record material comprising phenolic resin and acid type mineral
US3509174A (en) * 1967-01-30 1970-04-28 Ncr Co 3-(indol-3-yl)-phthalides
US3491116A (en) * 1967-01-30 1970-01-20 Ncr Co 3-(phenyl)-3-(indol-3-yl)-phthalides
JPS4833712B1 (en) * 1969-05-26 1973-10-16
DE2016375C3 (en) * 1970-04-06 1973-09-27 Sumitomo Chemical Co. Ltd., Osaka (Japan) Process for the preparation of 3,3 bis (p dimethylaminophenyl) -4,5,6 or 7 dimethylaminophthalides
US3843384A (en) * 1971-06-14 1974-10-22 Matsushita Electric Ind Co Ltd Heat-sensitive two color recording paper
JPS5412819B2 (en) * 1971-08-05 1979-05-25
JPS513842B2 (en) * 1972-09-12 1976-02-06
JPS4969335A (en) * 1972-11-08 1974-07-04

Also Published As

Publication number Publication date
AR201370A1 (en) 1975-03-07
CH578432A5 (en) 1976-08-13
ATA174274A (en) 1975-11-15
AT331269B (en) 1976-08-10
JPS49121545A (en) 1974-11-20
FR2220388A1 (en) 1974-10-04
JPS595438B2 (en) 1984-02-04
FR2220388B1 (en) 1976-12-10
DE2409112A1 (en) 1974-09-12
ZA741382B (en) 1975-01-29
BE811824A (en) 1974-09-04
GB1422096A (en) 1976-01-21
BR7401570D0 (en) 1974-12-24
DE2409112C2 (en) 1983-01-27

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