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ES392711A1 - Heat-sensitive copy-sheet - Google Patents

Heat-sensitive copy-sheet

Info

Publication number
ES392711A1
ES392711A1 ES392711A ES392711A ES392711A1 ES 392711 A1 ES392711 A1 ES 392711A1 ES 392711 A ES392711 A ES 392711A ES 392711 A ES392711 A ES 392711A ES 392711 A1 ES392711 A1 ES 392711A1
Authority
ES
Spain
Prior art keywords
heat
sheet
acid
parent
sensitive copy
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
ES392711A
Other languages
Spanish (es)
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of ES392711A1 publication Critical patent/ES392711A1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/913—Material designed to be responsive to temperature, light, moisture
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31797—Next to addition polymer from unsaturated monomers

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)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)

Abstract

Improvements made to the heat-sensitive sheet material manufacturer useful for making a copy of a graphic original by the thermographic process and including a heat-producing film containing a color-forming parent of chromogenic colorant capable of protonation and a reserve of acid to protonate said parent when heating said sheet to a temperature available in said process, said improvements being characterized by the inclusion in said stock of a co-crystalline addition product of said acid and an organic amine. (Machine-translation by Google Translate, not legally binding)
ES392711A 1970-07-10 1971-06-28 Heat-sensitive copy-sheet Expired ES392711A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US5400370A 1970-07-10 1970-07-10

Publications (1)

Publication Number Publication Date
ES392711A1 true ES392711A1 (en) 1973-07-01

Family

ID=21988069

Family Applications (1)

Application Number Title Priority Date Filing Date
ES392711A Expired ES392711A1 (en) 1970-07-10 1971-06-28 Heat-sensitive copy-sheet

Country Status (8)

Country Link
US (1) US3669747A (en)
JP (1) JPS5010498B1 (en)
BE (1) BE769758A (en)
BR (1) BR7104352D0 (en)
CA (1) CA936690A (en)
DE (1) DE2135131B2 (en)
ES (1) ES392711A1 (en)
FR (1) FR2101547A5 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3847645A (en) * 1970-10-19 1974-11-12 Columbia Ribbon & Carbon Thermographic copy sheets and process
EP0773112B1 (en) 1995-11-09 2001-05-30 Agfa-Gevaert N.V. Heat sensitive imaging element and method for making a printing plate therewith

Also Published As

Publication number Publication date
DE2135131B2 (en) 1973-07-19
DE2135131A1 (en) 1972-01-27
US3669747A (en) 1972-06-13
DE2135131C3 (en) 1974-03-28
BE769758A (en) 1972-01-10
JPS5010498B1 (en) 1975-04-22
CA936690A (en) 1973-11-13
BR7104352D0 (en) 1973-04-26
FR2101547A5 (en) 1972-03-31

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