GB1464251A - Thermo-reactive colour recording material - Google Patents
Thermo-reactive colour recording materialInfo
- Publication number
- GB1464251A GB1464251A GB2407873A GB2407873A GB1464251A GB 1464251 A GB1464251 A GB 1464251A GB 2407873 A GB2407873 A GB 2407873A GB 2407873 A GB2407873 A GB 2407873A GB 1464251 A GB1464251 A GB 1464251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- electron acceptor
- recording material
- optionally substituted
- colour former
- colour
- 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
- B41M5/30—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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Abstract
1464251 Thermoreactive colour recording material CIBA-GEIGY AG 26 March 1974 [21 May 1973] 24078/73 Heading G2C A thermoreactive recording material comprises a colour former of the Formula:- where A is optionally substituted 4-aminophenyl; E is optionally substituted indol-3-yl; and B is an optionally substituted benzene ring, an electron acceptor and a binder, arranged on a support so that on application of heat the colour former and the electron acceptor contact each other at the point of application of heat. The electron acceptor may be an acidic clay, a phenolic compound or resin or an organic acid. The colour former and electron acceptor may be in the same binder layer (see Examples) or in different binder layers. Mark forming may be affected manually using a heated pen or with a laser beam.
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2407873A GB1464251A (en) | 1973-05-21 | 1973-05-21 | Thermo-reactive colour recording material |
FI1367/74A FI136774A (en) | 1973-05-21 | 1974-05-06 | |
DE2423535A DE2423535A1 (en) | 1973-05-21 | 1974-05-15 | THERMOREACTIVE RECORDING MATERIAL |
FR7417265A FR2288003A1 (en) | 1973-05-21 | 1974-05-17 | TEMPERATURE-SENSITIVE RECORDING MATERIAL |
CH678974A CH590133A5 (en) | 1973-05-21 | 1974-05-17 | |
AT416674A AT331823B (en) | 1973-05-21 | 1974-05-20 | THERMOREACTIVE RECORDING MATERIAL |
BR4109/74A BR7404109D0 (en) | 1973-05-21 | 1974-05-20 | TERMOREATIVE RECORDING MATERIAL PROCESS FOR MAKING RECORDS AND TERMOREATIVE COMPOSITION |
ZA00743198A ZA743198B (en) | 1973-05-21 | 1974-05-20 | Thermoreactive recording material |
IT5110974A IT1011469B (en) | 1973-05-21 | 1974-05-20 | THERMO REACTIVE RECORDING MATERIAL AND PROCEDURE FOR MAKING COPIES WITH IT |
BE144538A BE815292A (en) | 1973-05-21 | 1974-05-20 | TEMPERATURE-SENSITIVE RECORDING MATERIAL |
JP49056210A JPS5021738A (en) | 1973-05-21 | 1974-05-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2407873A GB1464251A (en) | 1973-05-21 | 1973-05-21 | Thermo-reactive colour recording material |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1464251A true GB1464251A (en) | 1977-02-09 |
Family
ID=10206019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2407873A Expired GB1464251A (en) | 1973-05-21 | 1973-05-21 | Thermo-reactive colour recording material |
Country Status (10)
Country | Link |
---|---|
JP (1) | JPS5021738A (en) |
AT (1) | AT331823B (en) |
BE (1) | BE815292A (en) |
BR (1) | BR7404109D0 (en) |
CH (1) | CH590133A5 (en) |
DE (1) | DE2423535A1 (en) |
FI (1) | FI136774A (en) |
FR (1) | FR2288003A1 (en) |
GB (1) | GB1464251A (en) |
ZA (1) | ZA743198B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2194070A (en) * | 1986-07-09 | 1988-02-24 | Fuji Photo Film Co Ltd | Sheet recording material containing dye-forming components |
US4800193A (en) * | 1986-07-28 | 1989-01-24 | Fuji Photo Film Co., Ltd. | Recording material |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5386229A (en) * | 1977-01-07 | 1978-07-29 | Kanzaki Paper Mfg Co Ltd | Thermosensitive recording body |
US4189171A (en) * | 1977-03-01 | 1980-02-19 | Sterling Drug Inc. | Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides |
JP2504807B2 (en) * | 1988-06-29 | 1996-06-05 | 新王子製紙株式会社 | Thermal recording |
JP4575789B2 (en) * | 2005-01-17 | 2010-11-04 | パイロットインキ株式会社 | Reversible thermochromic microcapsule pigment encapsulating a reversible thermochromic composition |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3509173A (en) * | 1967-01-30 | 1970-04-28 | Ncr Co | 3,3-bis-(indol-3-yl) phthalides |
IE35853B1 (en) * | 1970-05-15 | 1976-06-09 | Hodogaya Chemical Co Ltd | Novel phthalide compounds and their use as colour formers in pressure sensitive recording |
JPS4916726B1 (en) * | 1970-12-28 | 1974-04-24 |
-
1973
- 1973-05-21 GB GB2407873A patent/GB1464251A/en not_active Expired
-
1974
- 1974-05-06 FI FI1367/74A patent/FI136774A/fi unknown
- 1974-05-15 DE DE2423535A patent/DE2423535A1/en not_active Withdrawn
- 1974-05-17 FR FR7417265A patent/FR2288003A1/en active Granted
- 1974-05-17 CH CH678974A patent/CH590133A5/xx not_active IP Right Cessation
- 1974-05-20 ZA ZA00743198A patent/ZA743198B/en unknown
- 1974-05-20 BE BE144538A patent/BE815292A/en unknown
- 1974-05-20 BR BR4109/74A patent/BR7404109D0/en unknown
- 1974-05-20 AT AT416674A patent/AT331823B/en not_active IP Right Cessation
- 1974-05-21 JP JP49056210A patent/JPS5021738A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2194070A (en) * | 1986-07-09 | 1988-02-24 | Fuji Photo Film Co Ltd | Sheet recording material containing dye-forming components |
US4803192A (en) * | 1986-07-09 | 1989-02-07 | Fuji Photo Film Co., Ltd. | Recording material |
GB2194070B (en) * | 1986-07-09 | 1990-01-10 | Fuji Photo Film Co Ltd | Sheet recording material containing dye-forming components |
US4800193A (en) * | 1986-07-28 | 1989-01-24 | Fuji Photo Film Co., Ltd. | Recording material |
Also Published As
Publication number | Publication date |
---|---|
CH590133A5 (en) | 1977-07-29 |
ZA743198B (en) | 1975-05-28 |
FR2288003A1 (en) | 1976-05-14 |
JPS5021738A (en) | 1975-03-07 |
DE2423535A1 (en) | 1974-12-12 |
ATA416674A (en) | 1975-12-15 |
FR2288003B1 (en) | 1979-04-20 |
BR7404109D0 (en) | 1975-09-30 |
BE815292A (en) | 1974-11-20 |
AT331823B (en) | 1976-08-25 |
FI136774A (en) | 1974-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |