GB1373527A - Heat-sensitive colour-developable copying and recording material - Google Patents

Heat-sensitive colour-developable copying and recording material

Info

Publication number
GB1373527A
GB1373527A GB5585871A GB5585871A GB1373527A GB 1373527 A GB1373527 A GB 1373527A GB 5585871 A GB5585871 A GB 5585871A GB 5585871 A GB5585871 A GB 5585871A GB 1373527 A GB1373527 A GB 1373527A
Authority
GB
United Kingdom
Prior art keywords
heat
film
recording material
stearate
dec
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
GB5585871A
Other languages
English (en)
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of GB1373527A publication Critical patent/GB1373527A/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
    • B41M5/333—Colour developing components therefor, e.g. acidic compounds

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)
GB5585871A 1970-12-17 1971-12-01 Heat-sensitive colour-developable copying and recording material Expired GB1373527A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45113414A JPS494343B1 (fr) 1970-12-17 1970-12-17

Publications (1)

Publication Number Publication Date
GB1373527A true GB1373527A (en) 1974-11-13

Family

ID=14611642

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5585871A Expired GB1373527A (en) 1970-12-17 1971-12-01 Heat-sensitive colour-developable copying and recording material

Country Status (3)

Country Link
JP (1) JPS494343B1 (fr)
DE (1) DE2161202B2 (fr)
GB (1) GB1373527A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567498A (en) * 1983-06-15 1986-01-28 The Wiggins Teape Group Limited Record material
US4574294A (en) * 1983-06-15 1986-03-04 The Wiggins Teape Group Limited Record material
EP3695980A3 (fr) * 2019-02-13 2020-08-26 Universität Hamburg Matière d'enregistrement thermosensible pourvu de révélateur chromogène de matières premières renouvelables

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5192813U (fr) * 1975-01-23 1976-07-26
JPS5386229A (en) * 1977-01-07 1978-07-29 Kanzaki Paper Mfg Co Ltd Thermosensitive recording body
CH641200A5 (de) * 1979-06-27 1984-02-15 Landis & Gyr Ag Verfahren zur herstellung eines thermochromen lacks, aus diesem lack hergestellte schicht und deren verwendung.
CH656580A5 (de) * 1982-05-17 1986-07-15 Ciba Geigy Ag Druckempfindliches oder waermeempfindliches aufzeichnungsmaterial.
US4513302A (en) * 1982-06-24 1985-04-23 Ciba-Geigy Corporation Pressure-sensitive or heat-sensitive recording material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4567498A (en) * 1983-06-15 1986-01-28 The Wiggins Teape Group Limited Record material
US4574294A (en) * 1983-06-15 1986-03-04 The Wiggins Teape Group Limited Record material
EP3695980A3 (fr) * 2019-02-13 2020-08-26 Universität Hamburg Matière d'enregistrement thermosensible pourvu de révélateur chromogène de matières premières renouvelables

Also Published As

Publication number Publication date
DE2161202B2 (de) 1973-07-19
DE2161202A1 (de) 1972-06-22
JPS494343B1 (fr) 1974-01-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee