BE622029A - - Google Patents

Info

Publication number
BE622029A
BE622029A BE622029DA BE622029A BE 622029 A BE622029 A BE 622029A BE 622029D A BE622029D A BE 622029DA BE 622029 A BE622029 A BE 622029A
Authority
BE
Belgium
Application number
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.)
Publication of BE622029A publication Critical patent/BE622029A/xx

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
    • B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
    • B41M5/282—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using thermochromic compounds
    • B41M5/284—Organic thermochromic 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
    • B41M5/323—Organic colour formers, e.g. leuco dyes

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)
BE622029D 1961-09-18 BE622029A (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US138775A US3242122A (en) 1961-09-18 1961-09-18 Thermo-colorable record copy sheet and coating composition

Publications (1)

Publication Number Publication Date
BE622029A true BE622029A (enrdf_load_html_response)

Family

ID=22483582

Family Applications (1)

Application Number Title Priority Date Filing Date
BE622029D BE622029A (enrdf_load_html_response) 1961-09-18

Country Status (7)

Country Link
US (1) US3242122A (enrdf_load_html_response)
BE (1) BE622029A (enrdf_load_html_response)
CH (1) CH407185A (enrdf_load_html_response)
DE (1) DE1183918B (enrdf_load_html_response)
GB (1) GB951507A (enrdf_load_html_response)
NL (2) NL283351A (enrdf_load_html_response)
SE (1) SE314301B (enrdf_load_html_response)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445234A (en) * 1962-10-31 1969-05-20 Du Pont Leuco dye/hexaarylbiimidazole imageforming composition
US3477850A (en) * 1965-07-08 1969-11-11 Itek Corp Light sensitive heat erasable copying system
US3421894A (en) * 1966-01-13 1969-01-14 Ncr Co Recording process utilizing 6'-nitro-1,3,3 - trimethyl-benzoindolinospiropyran dispersed in heat-meltable wax
US3422759A (en) * 1966-06-02 1969-01-21 Xerox Corp Lithographic imaging system using photochromic and thermochromic materials
US3584934A (en) * 1968-04-12 1971-06-15 Itek Corp Nonmechanical shutter
GB1273746A (en) * 1968-10-03 1972-05-10 Agfa Gevaert Unsaturated photochromic monomers and polymers prepared therefrom
JPS4948632B1 (enrdf_load_html_response) * 1968-10-30 1974-12-23
US5234798A (en) * 1991-10-04 1993-08-10 Dittler Brothers, Incorporated Thermal reactive structures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880110A (en) * 1954-12-02 1959-03-31 Minnesota Mining & Mfg Heat-sensitive copying-paper
IT631615A (enrdf_load_html_response) * 1960-02-26
NL268635A (enrdf_load_html_response) * 1960-08-26 1900-01-01

Also Published As

Publication number Publication date
SE314301B (enrdf_load_html_response) 1969-09-01
CH407185A (fr) 1966-02-15
NL127674C (enrdf_load_html_response)
US3242122A (en) 1966-03-22
DE1183918B (de) 1964-12-23
GB951507A (en) 1964-03-04
NL283351A (enrdf_load_html_response)

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