GB2196354A - Sheet recording material containing an azaphthalide dye former - Google Patents
Sheet recording material containing an azaphthalide dye former Download PDFInfo
- Publication number
- GB2196354A GB2196354A GB08721004A GB8721004A GB2196354A GB 2196354 A GB2196354 A GB 2196354A GB 08721004 A GB08721004 A GB 08721004A GB 8721004 A GB8721004 A GB 8721004A GB 2196354 A GB2196354 A GB 2196354A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hydroxy
- recording sheet
- group
- absorbing agent
- carbon atoms
- 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.)
- Withdrawn
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
- B41M5/124—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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61212395A JPS6367180A (ja) | 1986-09-09 | 1986-09-09 | 記録シ−ト |
Publications (2)
Publication Number | Publication Date |
---|---|
GB8721004D0 GB8721004D0 (en) | 1987-10-14 |
GB2196354A true GB2196354A (en) | 1988-04-27 |
Family
ID=16621874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08721004A Withdrawn GB2196354A (en) | 1986-09-09 | 1987-09-07 | Sheet recording material containing an azaphthalide dye former |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS6367180A (ja) |
GB (1) | GB2196354A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4510960B2 (ja) * | 1999-10-18 | 2010-07-28 | パイロットインキ株式会社 | 可逆熱変色性組成物を内包したマイクロカプセル顔料 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099874A (en) * | 1981-06-05 | 1982-12-15 | Kanzaki Paper Mfg Co Ltd | Pressure sensitive manifold paper |
EP0171795A2 (en) * | 1984-08-16 | 1986-02-19 | Kanzaki Paper Manufacturing Company Limited | Self-contained type pressure sensitive record sheet |
GB2167875A (en) * | 1984-10-09 | 1986-06-04 | Fuji Photo Film Co Ltd | Recording materials |
GB2169610A (en) * | 1985-01-15 | 1986-07-16 | Ciba Geigy Ag | Chromogenic 4-azaphthalides substituted on the pyridine ring |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3736337A (en) * | 1971-04-27 | 1973-05-29 | Ncr Co | Tetrahalogenated chromogenic compounds and their use |
CH618639A5 (ja) * | 1976-06-04 | 1980-08-15 | Ciba Geigy Ag | |
US4189171A (en) * | 1977-03-01 | 1980-02-19 | Sterling Drug Inc. | Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(heteryl)phthalides |
JPS58117254A (ja) * | 1981-12-23 | 1983-07-12 | チバ−ガイギ−・アクチエンゲゼルシヤフト | 色原体ジヒドロフロピリジノン |
JPS6085986A (ja) * | 1983-10-18 | 1985-05-15 | Yamada Kagaku Kogyo Kk | 発色性記録材料 |
JPS60224582A (ja) * | 1984-04-20 | 1985-11-08 | Yamada Kagaku Kogyo Kk | 発色性記録材料 |
-
1986
- 1986-09-09 JP JP61212395A patent/JPS6367180A/ja active Pending
-
1987
- 1987-09-07 GB GB08721004A patent/GB2196354A/en not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2099874A (en) * | 1981-06-05 | 1982-12-15 | Kanzaki Paper Mfg Co Ltd | Pressure sensitive manifold paper |
EP0171795A2 (en) * | 1984-08-16 | 1986-02-19 | Kanzaki Paper Manufacturing Company Limited | Self-contained type pressure sensitive record sheet |
GB2167875A (en) * | 1984-10-09 | 1986-06-04 | Fuji Photo Film Co Ltd | Recording materials |
GB2169610A (en) * | 1985-01-15 | 1986-07-16 | Ciba Geigy Ag | Chromogenic 4-azaphthalides substituted on the pyridine ring |
Non-Patent Citations (1)
Title |
---|
JP A 58-205791 * |
Also Published As
Publication number | Publication date |
---|---|
GB8721004D0 (en) | 1987-10-14 |
JPS6367180A (ja) | 1988-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |