CA1099100A - Traduction non-disponible - Google Patents

Traduction non-disponible

Info

Publication number
CA1099100A
CA1099100A CA298,181A CA298181A CA1099100A CA 1099100 A CA1099100 A CA 1099100A CA 298181 A CA298181 A CA 298181A CA 1099100 A CA1099100 A CA 1099100A
Authority
CA
Canada
Prior art keywords
composition
color
phenol
compound
amine
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
CA298,181A
Other languages
English (en)
Inventor
William R. Lawton
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA1099100A publication Critical patent/CA1099100A/fr
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/30Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
    • B41M5/333Colour developing components therefor, e.g. acidic compounds
    • B41M5/3333Non-macromolecular compounds
    • B41M5/3335Compounds 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)
CA298,181A 1977-03-04 1978-03-03 Traduction non-disponible Expired CA1099100A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US774,385 1977-03-04
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
CA1099100A true CA1099100A (fr) 1981-04-14

Family

ID=25101073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA298,181A Expired CA1099100A (fr) 1977-03-04 1978-03-03 Traduction non-disponible

Country Status (7)

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

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
FR2382338A1 (fr) 1978-09-29
AU3382978A (en) 1979-09-06
GB1563175A (en) 1980-03-19
DE2809038A1 (de) 1978-09-07
FR2382338B3 (fr) 1980-12-05
BR7801273A (pt) 1979-04-03
JPS53110537A (en) 1978-09-27

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Legal Events

Date Code Title Description
MKEX Expiry