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
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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4521793A (en) * | 1982-02-27 | 1985-06-04 | Asahi Kasei Kogyo Kabushiki Kaisha | Coloring method and color-forming material |
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1973
- 1973-09-14 GB GB4333773A patent/GB1477835A/en not_active Expired
-
1974
- 1974-08-05 JP JP49090224A patent/JPS5057452A/ja active Pending
- 1974-08-08 FR FR7427845A patent/FR2243829B1/fr not_active Expired
- 1974-08-12 BE BE1006122A patent/BE818733A/xx unknown
- 1974-08-14 CA CA206,986A patent/CA1063348A/fr not_active Expired
- 1974-08-31 IT IT8628374A patent/IT1024500B/it active
- 1974-09-11 DE DE19742443348 patent/DE2443348A1/de not_active Withdrawn
Cited By (3)
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 |
---|---|
CA1063348A (fr) | 1979-10-02 |
FR2243829B1 (fr) | 1979-08-03 |
IT1024500B (it) | 1978-06-20 |
JPS5057452A (fr) | 1975-05-19 |
BE818733A (nl) | 1975-02-12 |
GB1477835A (en) | 1977-06-29 |
DE2443348A1 (de) | 1975-03-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
DL | Decision of the director general to leave to make available licences of right | ||
ST | Notification of lapse |