FR2296538B1 - - Google Patents
Info
- Publication number
- FR2296538B1 FR2296538B1 FR7539988A FR7539988A FR2296538B1 FR 2296538 B1 FR2296538 B1 FR 2296538B1 FR 7539988 A FR7539988 A FR 7539988A FR 7539988 A FR7539988 A FR 7539988A FR 2296538 B1 FR2296538 B1 FR 2296538B1
- 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.)
- Expired
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
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic
-
- 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
- B41M5/124—Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
- B41M5/132—Chemical colour-forming components; Additives or binders therefor
- B41M5/136—Organic colour formers, e.g. leuco 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
- B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
- C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
- C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D231/18—One oxygen or sulfur atom
- C07D231/20—One oxygen atom attached in position 3 or 5
- C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms
- C07D231/26—1-Phenyl-3-methyl-5- pyrazolones, unsubstituted or substituted on the phenyl ring
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)
- Color Printing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1575A CH595217A5 (zh) | 1975-01-02 | 1975-01-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2296538A1 FR2296538A1 (fr) | 1976-07-30 |
FR2296538B1 true FR2296538B1 (zh) | 1978-05-19 |
Family
ID=4177465
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7539988A Granted FR2296538A1 (fr) | 1975-01-02 | 1975-12-29 | Article d'enregistrement, sensible a la pression ou a la chaleur |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE837222A (zh) |
CH (1) | CH595217A5 (zh) |
DE (1) | DE2558829A1 (zh) |
FR (1) | FR2296538A1 (zh) |
GB (1) | GB1496840A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH637922A5 (de) * | 1978-09-22 | 1983-08-31 | Ciba Geigy Ag | Chromogene propenylensulfon-verbindungen. |
-
1975
- 1975-01-02 CH CH1575A patent/CH595217A5/xx not_active IP Right Cessation
- 1975-12-27 DE DE19752558829 patent/DE2558829A1/de not_active Withdrawn
- 1975-12-29 FR FR7539988A patent/FR2296538A1/fr active Granted
- 1975-12-31 GB GB5335675A patent/GB1496840A/en not_active Expired
- 1975-12-31 BE BE163230A patent/BE837222A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1496840A (en) | 1978-01-05 |
FR2296538A1 (fr) | 1976-07-30 |
CH595217A5 (zh) | 1978-02-15 |
DE2558829A1 (de) | 1976-07-08 |
BE837222A (fr) | 1976-06-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |