FR1333448A - Feuille de copie pour enregistrement - Google Patents
Feuille de copie pour enregistrementInfo
- Publication number
- FR1333448A FR1333448A FR909195A FR909195A FR1333448A FR 1333448 A FR1333448 A FR 1333448A FR 909195 A FR909195 A FR 909195A FR 909195 A FR909195 A FR 909195A FR 1333448 A FR1333448 A FR 1333448A
- Authority
- FR
- France
- Prior art keywords
- recording
- copy sheet
- copy
- sheet
- 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
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
- B41M5/28—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating
- B41M5/282—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating using thermochromic compounds
- B41M5/284—Organic thermochromic compounds
-
- 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
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR909195A FR1333448A (fr) | 1961-09-18 | 1962-09-12 | Feuille de copie pour enregistrement |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US138775A US3242122A (en) | 1961-09-18 | 1961-09-18 | Thermo-colorable record copy sheet and coating composition |
FR909195A FR1333448A (fr) | 1961-09-18 | 1962-09-12 | Feuille de copie pour enregistrement |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1333448A true FR1333448A (fr) | 1963-07-26 |
Family
ID=26197481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR909195A Expired FR1333448A (fr) | 1961-09-18 | 1962-09-12 | Feuille de copie pour enregistrement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1333448A (fr) |
-
1962
- 1962-09-12 FR FR909195A patent/FR1333448A/fr not_active Expired
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