FR2243829A1 - - Google Patents

Info

Publication number
FR2243829A1
FR2243829A1 FR7427845A FR7427845A FR2243829A1 FR 2243829 A1 FR2243829 A1 FR 2243829A1 FR 7427845 A FR7427845 A FR 7427845A FR 7427845 A FR7427845 A FR 7427845A FR 2243829 A1 FR2243829 A1 FR 2243829A1
Authority
FR
France
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.)
Granted
Application number
FR7427845A
Other versions
FR2243829B1 (fr
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.)
Agfa Gevaert NV
Agfa Gevaert AG
Original Assignee
Agfa Gevaert NV
Agfa Gevaert AG
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 Agfa Gevaert NV, Agfa Gevaert AG filed Critical Agfa Gevaert NV
Publication of FR2243829A1 publication Critical patent/FR2243829A1/fr
Application granted granted Critical
Publication of FR2243829B1 publication Critical patent/FR2243829B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B55/00—Azomethine dyes
    • 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

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Organic Chemistry (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
FR7427845A 1973-09-14 1974-08-08 Expired FR2243829B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4333773A GB1477835A (en) 1973-09-14 1973-09-14 Heat-sensitive recording material

Publications (2)

Publication Number Publication Date
FR2243829A1 true FR2243829A1 (fr) 1975-04-11
FR2243829B1 FR2243829B1 (fr) 1979-08-03

Family

ID=10428347

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7427845A Expired FR2243829B1 (fr) 1973-09-14 1974-08-08

Country Status (7)

Country Link
JP (1) JPS5057452A (fr)
BE (1) BE818733A (fr)
CA (1) CA1063348A (fr)
DE (1) DE2443348A1 (fr)
FR (1) FR2243829B1 (fr)
GB (1) GB1477835A (fr)
IT (1) IT1024500B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438042A1 (fr) * 1976-04-27 1980-04-30 Ciba Geigy Ag Composes azomethine, leur procede de preparation et leur utilisation comme chromogenes
EP0453395A1 (fr) * 1990-03-29 1991-10-23 Ciba-Geigy Ag Matériau d'enregistrement sensible à la pression

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0101741B1 (fr) * 1982-02-27 1987-05-20 Asahi Kasei Kogyo Kabushiki Kaisha Procede de coloration et materiau de formation de couleur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2438042A1 (fr) * 1976-04-27 1980-04-30 Ciba Geigy Ag Composes azomethine, leur procede de preparation et leur utilisation comme chromogenes
EP0453395A1 (fr) * 1990-03-29 1991-10-23 Ciba-Geigy Ag Matériau d'enregistrement sensible à la pression
US5254522A (en) * 1990-03-29 1993-10-19 Ciba-Geigy Corporation Pressure-sensitive or heat-sensitive recording material

Also Published As

Publication number Publication date
JPS5057452A (fr) 1975-05-19
DE2443348A1 (de) 1975-03-20
GB1477835A (en) 1977-06-29
IT1024500B (it) 1978-06-20
CA1063348A (fr) 1979-10-02
BE818733A (nl) 1975-02-12
FR2243829B1 (fr) 1979-08-03

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse