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BR7801273A - HEAT SENSITIVE RECORD COMPOSITES WITH MIXED COLOR PERCUSIONS - Google Patents

HEAT SENSITIVE RECORD COMPOSITES WITH MIXED COLOR PERCUSIONS

Info

Publication number
BR7801273A
BR7801273A BR7801273A BR7801273A BR7801273A BR 7801273 A BR7801273 A BR 7801273A BR 7801273 A BR7801273 A BR 7801273A BR 7801273 A BR7801273 A BR 7801273A BR 7801273 A BR7801273 A BR 7801273A
Authority
BR
Brazil
Prior art keywords
percusions
composites
heat sensitive
mixed color
sensitive record
Prior art date
Application number
BR7801273A
Other languages
Portuguese (pt)
Inventor
W Lawton
Original Assignee
W Lawton
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
Priority claimed from US05/774,385 external-priority patent/US4180405A/en
Application filed by W Lawton filed Critical W Lawton
Publication of BR7801273A publication Critical patent/BR7801273A/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
    • B41M5/333—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

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)
BR7801273A 1977-03-04 1978-03-02 HEAT SENSITIVE RECORD COMPOSITES WITH MIXED COLOR PERCUSIONS BR7801273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/774,385 US4180405A (en) 1977-02-25 1977-03-04 Heat-sensitive recording composition with mixed color precursors

Publications (1)

Publication Number Publication Date
BR7801273A true BR7801273A (en) 1979-04-03

Family

ID=25101073

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7801273A BR7801273A (en) 1977-03-04 1978-03-02 HEAT SENSITIVE RECORD COMPOSITES WITH MIXED COLOR PERCUSIONS

Country Status (7)

Country Link
JP (1) JPS53110537A (en)
AU (1) AU3382978A (en)
BR (1) BR7801273A (en)
CA (1) CA1099100A (en)
DE (1) DE2809038A1 (en)
FR (1) FR2382338A1 (en)
GB (1) GB1563175A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151748A (en) * 1977-12-15 1979-05-01 Ncr Corporation Two color thermally sensitive record material system
JPS5630894A (en) * 1979-08-24 1981-03-28 Mitsui Toatsu Chem Inc Heat-sensitive recording sheet
US4500354A (en) * 1982-09-27 1985-02-19 Graphic Controls Corp. Heat sensitive recording papers
US4675705A (en) * 1985-06-10 1987-06-23 Labelon Corporation Heat sensitive coating

Also Published As

Publication number Publication date
GB1563175A (en) 1980-03-19
AU3382978A (en) 1979-09-06
CA1099100A (en) 1981-04-14
JPS53110537A (en) 1978-09-27
FR2382338A1 (en) 1978-09-29
DE2809038A1 (en) 1978-09-07
FR2382338B3 (en) 1980-12-05

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