JPH0368905B2 - - Google Patents
Info
- Publication number
- JPH0368905B2 JPH0368905B2 JP58008544A JP854483A JPH0368905B2 JP H0368905 B2 JPH0368905 B2 JP H0368905B2 JP 58008544 A JP58008544 A JP 58008544A JP 854483 A JP854483 A JP 854483A JP H0368905 B2 JPH0368905 B2 JP H0368905B2
- Authority
- JP
- Japan
- Prior art keywords
- group
- alkyl group
- hydrogen atom
- alkyl
- acid
- 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 - Lifetime
Links
Landscapes
- Color Printing (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58008544A JPS59133258A (ja) | 1983-01-20 | 1983-01-20 | フルオラン誘導体、その製造方法およびその誘導体を用いた記録体 |
US06/562,738 US4536220A (en) | 1982-12-27 | 1983-12-19 | Fluoran derivatives as new compounds and recording system utilizing the same as colorless chromogenic material |
EP83307734A EP0112710B1 (en) | 1982-12-27 | 1983-12-20 | Fluoran derivatives |
DE8383307734T DE3373186D1 (de) | 1982-12-27 | 1983-12-20 | Fluoran derivatives |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58008544A JPS59133258A (ja) | 1983-01-20 | 1983-01-20 | フルオラン誘導体、その製造方法およびその誘導体を用いた記録体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59133258A JPS59133258A (ja) | 1984-07-31 |
JPH0368905B2 true JPH0368905B2 (en, 2012) | 1991-10-30 |
Family
ID=11696079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58008544A Granted JPS59133258A (ja) | 1982-12-27 | 1983-01-20 | フルオラン誘導体、その製造方法およびその誘導体を用いた記録体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59133258A (en, 2012) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60199064A (ja) * | 1984-03-24 | 1985-10-08 | Hodogaya Chem Co Ltd | フルオラン化合物 |
JPH01150574A (ja) * | 1987-12-07 | 1989-06-13 | Yamada Chem Co Ltd | 発色性記録材料 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5123204B2 (en, 2012) * | 1972-11-21 | 1976-07-15 | ||
JPS5049013A (en, 2012) * | 1973-08-31 | 1975-05-01 | ||
JPS57178792A (en) * | 1981-04-27 | 1982-11-04 | Kohjin Co Ltd | Black color heat sensitive recording medium |
-
1983
- 1983-01-20 JP JP58008544A patent/JPS59133258A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59133258A (ja) | 1984-07-31 |
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