BE811824A - THERMOSENSITIVE MATERIAL FOR INFORMATION RECORDING - Google Patents

THERMOSENSITIVE MATERIAL FOR INFORMATION RECORDING

Info

Publication number
BE811824A
BE811824A BE141600A BE141601A BE811824A BE 811824 A BE811824 A BE 811824A BE 141600 A BE141600 A BE 141600A BE 141601 A BE141601 A BE 141601A BE 811824 A BE811824 A BE 811824A
Authority
BE
Belgium
Prior art keywords
information recording
thermosensitive material
thermosensitive
recording
information
Prior art date
Application number
BE141600A
Other languages
French (fr)
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 filed Critical
Publication of BE811824A publication Critical patent/BE811824A/en

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)
BE141600A 1973-03-05 1974-03-04 THERMOSENSITIVE MATERIAL FOR INFORMATION RECORDING BE811824A (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
BE811824A true BE811824A (en) 1974-09-04

Family

ID=4250512

Family Applications (1)

Application Number Title Priority Date Filing Date
BE141600A BE811824A (en) 1973-03-05 1974-03-04 THERMOSENSITIVE MATERIAL FOR INFORMATION RECORDING

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
US4736027A (en) * 1985-06-17 1988-04-05 Hilton Davis Chemical Co. Indole-phthalide derivatives
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
ES2167303T3 (en) * 1986-10-28 2002-05-16 Ciba Sc Holding Ag CHROMOGEN FTALIDS.
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
DE1251348B (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
US3491116A (en) * 1967-01-30 1970-01-20 Ncr Co 3-(phenyl)-3-(indol-3-yl)-phthalides
US3509174A (en) * 1967-01-30 1970-04-28 Ncr Co 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
GB1422096A (en) 1976-01-21
FR2220388A1 (en) 1974-10-04
DE2409112C2 (en) 1983-01-27
AR201370A1 (en) 1975-03-07
ZA741382B (en) 1975-01-29
AT331269B (en) 1976-08-10
CH578432A5 (en) 1976-08-13
JPS595438B2 (en) 1984-02-04
JPS49121545A (en) 1974-11-20
ATA174274A (en) 1975-11-15
DE2409112A1 (en) 1974-09-12
CA1023146A (en) 1977-12-27
FR2220388B1 (en) 1976-12-10
BR7401570D0 (en) 1974-12-24

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