FI903790A0 - Fluoranfoerening, foerfarande foer dess framstaellning och denna foerening innehaollande vaermekaensliga upptagningsmaterial. - Google Patents
Fluoranfoerening, foerfarande foer dess framstaellning och denna foerening innehaollande vaermekaensliga upptagningsmaterial.Info
- Publication number
- FI903790A0 FI903790A0 FI903790A FI903790A FI903790A0 FI 903790 A0 FI903790 A0 FI 903790A0 FI 903790 A FI903790 A FI 903790A FI 903790 A FI903790 A FI 903790A FI 903790 A0 FI903790 A0 FI 903790A0
- Authority
- FI
- Finland
- Prior art keywords
- vaermekaensliga
- upptagningsmaterial
- fluoranfoerening
- foerening
- denna
- Prior art date
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
- B41M5/3275—Fluoran 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/10—Spiro-condensed systems
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19794889 | 1989-08-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
FI903790A0 true FI903790A0 (fi) | 1990-07-30 |
Family
ID=16382969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI903790A FI903790A0 (fi) | 1989-08-01 | 1990-07-30 | Fluoranfoerening, foerfarande foer dess framstaellning och denna foerening innehaollande vaermekaensliga upptagningsmaterial. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5194632A (fi) |
EP (1) | EP0411509B1 (fi) |
KR (1) | KR920007436B1 (fi) |
DE (1) | DE69012917T2 (fi) |
FI (1) | FI903790A0 (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0410206B1 (en) * | 1989-07-19 | 1994-09-28 | MITSUI TOATSU CHEMICALS, Inc. | Fluoran compounds, crystalline toluene adducts thereof, recording material comprising same and process for their preparation |
US5231069A (en) * | 1989-08-01 | 1993-07-27 | Mitsui Toatsu Chemicals Inc. | Fluoran compound, heat sensitive recording materials comprising fluoran compound |
CN112010868B (zh) * | 2020-09-02 | 2021-07-27 | 华烁科技股份有限公司 | 一种制备黑色可逆热致变色染料的方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4843296A (fi) * | 1971-09-30 | 1973-06-22 | ||
JPS5123204A (en) * | 1974-08-13 | 1976-02-24 | Toa Gosei Chem Ind | 1*1*11 torikuroruetanno anteikahoho |
JPS5434909A (en) * | 1977-08-08 | 1979-03-14 | Yamada Chem Co | Colored recording material |
JPS56105990A (en) * | 1980-01-28 | 1981-08-22 | Kohjin Co Ltd | Heat sensitive recording material |
JPS57177057A (en) * | 1981-04-24 | 1982-10-30 | Hodogaya Chem Co Ltd | Fluoran compound |
JPS57188393A (en) * | 1981-05-15 | 1982-11-19 | Ricoh Co Ltd | Heat sensitive recording material |
JPS5896588A (ja) * | 1981-12-04 | 1983-06-08 | Sumitomo Chem Co Ltd | 記録紙 |
JPS6035053A (ja) * | 1983-08-08 | 1985-02-22 | Hodogaya Chem Co Ltd | 新規なフルオラン化合物およびそれを使用した感熱記録材料 |
JPS60141762A (ja) * | 1983-12-28 | 1985-07-26 | Nippon Kayaku Co Ltd | フルオラン化合物及びこれを用いる感熱記録シ−ト |
JPS6169871A (ja) * | 1984-09-13 | 1986-04-10 | Taoka Chem Co Ltd | フルオラン化合物の製造法 |
JPS61195891A (ja) * | 1985-02-22 | 1986-08-30 | グラフイツク コントロールス コーポレーシヨン | 熱現像印刷用組成物 |
-
1990
- 1990-07-27 DE DE69012917T patent/DE69012917T2/de not_active Expired - Fee Related
- 1990-07-27 EP EP90114506A patent/EP0411509B1/en not_active Expired - Lifetime
- 1990-07-30 FI FI903790A patent/FI903790A0/fi not_active IP Right Cessation
- 1990-07-31 US US07/560,909 patent/US5194632A/en not_active Expired - Fee Related
- 1990-07-31 KR KR1019900011767A patent/KR920007436B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0411509A2 (en) | 1991-02-06 |
US5194632A (en) | 1993-03-16 |
DE69012917D1 (de) | 1994-11-03 |
KR910004374A (ko) | 1991-03-28 |
EP0411509B1 (en) | 1994-09-28 |
DE69012917T2 (de) | 1995-04-27 |
KR920007436B1 (ko) | 1992-09-01 |
EP0411509A3 (en) | 1991-11-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
MM | Patent lapsed |
Owner name: MITSUI TOATSU CHEMICALS, INCORPORATED |