JPS641578A - Color developable recording material - Google Patents
Color developable recording materialInfo
- Publication number
- JPS641578A JPS641578A JP62156535A JP15653587A JPS641578A JP S641578 A JPS641578 A JP S641578A JP 62156535 A JP62156535 A JP 62156535A JP 15653587 A JP15653587 A JP 15653587A JP S641578 A JPS641578 A JP S641578A
- Authority
- JP
- Japan
- Prior art keywords
- coupler
- compound
- color forming
- dye
- forming dye
- 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.)
- Pending
Links
Landscapes
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Abstract
PURPOSE: To enhance the light fastness of an image, by incorporating a specific substance in an image part formed from a fluorane compound type color forming dye and a coupler.
CONSTITUTION: A phenothiazine compound is contained in an image part constituted and formed of a fluorane compound type color forming dye and a coupler. In the color developable recording material like this, when the dye developed by the action of the coupler and a small amount of a phenothiazine compound coexist, the fading of the developed dye is markedly lowered and the durability of the developed color is enhanced. Since the phenothiazine compound imparts no adverse effect on the action of the fluorane compound or coupler even when brought into contact with the undeveloped fluorane compound or the coupler, the phenothiazine compound is preliminarily mixed with one of or both of the color forming dye and the coupler or placed in a phase different from the color forming dye and the coupler to be mixed with both of them in such a stage that the color forming dye and the coupler are brought into contact with each other.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62156535A JPS641578A (en) | 1987-06-25 | 1987-06-25 | Color developable recording material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62156535A JPS641578A (en) | 1987-06-25 | 1987-06-25 | Color developable recording material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH011578A JPH011578A (en) | 1989-01-05 |
| JPS641578A true JPS641578A (en) | 1989-01-05 |
Family
ID=15629914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62156535A Pending JPS641578A (en) | 1987-06-25 | 1987-06-25 | Color developable recording material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS641578A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446276A (en) * | 1989-12-22 | 1992-02-17 | Zvi Weingarten | Diaphragm control valve |
| US5499502A (en) * | 1994-11-02 | 1996-03-19 | Nippondenso Co., Ltd. | Secondary air supplying system having a motor-driven air pump |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51150919U (en) * | 1975-05-28 | 1976-12-02 |
-
1987
- 1987-06-25 JP JP62156535A patent/JPS641578A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51150919U (en) * | 1975-05-28 | 1976-12-02 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446276A (en) * | 1989-12-22 | 1992-02-17 | Zvi Weingarten | Diaphragm control valve |
| US5499502A (en) * | 1994-11-02 | 1996-03-19 | Nippondenso Co., Ltd. | Secondary air supplying system having a motor-driven air pump |
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