IT980489B - Agente cromogeno particolarmente per copiatura a pressione e pro cedimento per la sua fabbricazione - Google Patents
Agente cromogeno particolarmente per copiatura a pressione e pro cedimento per la sua fabbricazioneInfo
- Publication number
- IT980489B IT980489B IT7367422A IT6742273A IT980489B IT 980489 B IT980489 B IT 980489B IT 7367422 A IT7367422 A IT 7367422A IT 6742273 A IT6742273 A IT 6742273A IT 980489 B IT980489 B IT 980489B
- Authority
- IT
- Italy
- Prior art keywords
- chromogening
- procedure
- manufacturing
- agent particularly
- pressure copying
- Prior art date
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
- B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
-
- 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
- B41M5/145—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/1455—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring characterised by fluoran compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Color Printing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB784872A GB1412293A (en) | 1972-02-21 | 1972-02-21 | Fluoran compounds and their use in pressure-sensitive copying paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT980489B true IT980489B (it) | 1974-09-30 |
Family
ID=9840949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT7367422A IT980489B (it) | 1972-02-21 | 1973-02-20 | Agente cromogeno particolarmente per copiatura a pressione e pro cedimento per la sua fabbricazione |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3837889A (it) |
| JP (1) | JPS4894731A (it) |
| AR (1) | AR193580A1 (it) |
| AU (1) | AU472012B2 (it) |
| BE (1) | BE795746A (it) |
| BR (1) | BR7301278D0 (it) |
| DE (1) | DE2308624A1 (it) |
| ES (1) | ES411827A1 (it) |
| FR (1) | FR2173102B1 (it) |
| GB (1) | GB1412293A (it) |
| IN (1) | IN139665B (it) |
| IT (1) | IT980489B (it) |
| NL (1) | NL7302321A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5138245B2 (it) * | 1973-05-22 | 1976-10-20 | ||
| US3929825A (en) * | 1974-04-18 | 1975-12-30 | Mead Corp | Pyrazoloxanthene compounds and process for producing same |
| GB1561230A (en) * | 1976-02-23 | 1980-02-13 | Sankio Chemical Co Ltd | Aminothiofluoran compounds process for the production thereof and recording elements containing the same |
| US4351768A (en) * | 1977-03-01 | 1982-09-28 | Sterling Drug Inc. | 2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids |
| JPS61215085A (ja) * | 1985-03-20 | 1986-09-24 | Fuji Photo Film Co Ltd | 感圧記録材料 |
| EP0340169B1 (de) * | 1988-04-27 | 1994-11-30 | Ciba-Geigy Ag | Chromogene Laktonverbindungen von Benzopyrano-2H-pyrazolen |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1553291A (it) * | 1967-01-27 | 1969-01-10 | ||
| US3491116A (en) * | 1967-01-30 | 1970-01-20 | Ncr Co | 3-(phenyl)-3-(indol-3-yl)-phthalides |
| US3649649A (en) * | 1967-07-10 | 1972-03-14 | Nisso Kako Co Ltd | Fluoran derivatives and preparation thereof |
| JPS4816202B1 (it) * | 1969-12-05 | 1973-05-21 | ||
| DE2036817A1 (de) * | 1970-07-24 | 1972-01-27 | Farbwerke Hoechst AG vormals Meister Lucius & Brüning, 6000 Frankfurt | Neue farbbildende Lactone, Verfahren zu ihrer Herstellung und ihre Anwendung bei druckempfindlichen Aufzeichnungs- und Vervielfältigungsmaterial |
| US3746562A (en) * | 1970-11-16 | 1973-07-17 | Ncr | Mark forming record materials |
-
0
- BE BE795746D patent/BE795746A/xx unknown
-
1972
- 1972-02-21 GB GB784872A patent/GB1412293A/en not_active Expired
-
1973
- 1973-02-16 US US00333347A patent/US3837889A/en not_active Expired - Lifetime
- 1973-02-17 IN IN356/CAL/73A patent/IN139665B/en unknown
- 1973-02-20 NL NL7302321A patent/NL7302321A/xx unknown
- 1973-02-20 AU AU52377/73A patent/AU472012B2/en not_active Expired
- 1973-02-20 ES ES73411827A patent/ES411827A1/es not_active Expired
- 1973-02-20 IT IT7367422A patent/IT980489B/it active
- 1973-02-21 DE DE19732308624 patent/DE2308624A1/de active Pending
- 1973-02-21 AR AR246712A patent/AR193580A1/es active
- 1973-02-21 FR FR7306077A patent/FR2173102B1/fr not_active Expired
- 1973-02-21 BR BR731278A patent/BR7301278D0/pt unknown
- 1973-02-21 JP JP48020302A patent/JPS4894731A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IN139665B (it) | 1976-07-17 |
| AR193580A1 (es) | 1973-04-30 |
| AU472012B2 (en) | 1976-05-13 |
| US3837889A (en) | 1974-09-24 |
| NL7302321A (it) | 1973-08-23 |
| BR7301278D0 (pt) | 1974-05-16 |
| ES411827A1 (es) | 1976-09-01 |
| JPS4894731A (it) | 1973-12-06 |
| FR2173102A1 (it) | 1973-10-05 |
| DE2308624A1 (de) | 1973-09-06 |
| FR2173102B1 (it) | 1977-04-29 |
| BE795746A (fr) | 1973-08-21 |
| GB1412293A (en) | 1975-11-05 |
| AU5237773A (en) | 1974-08-22 |
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