FR2048541A5 - - Google Patents
Info
- Publication number
- FR2048541A5 FR2048541A5 FR7018239A FR7018239A FR2048541A5 FR 2048541 A5 FR2048541 A5 FR 2048541A5 FR 7018239 A FR7018239 A FR 7018239A FR 7018239 A FR7018239 A FR 7018239A FR 2048541 A5 FR2048541 A5 FR 2048541A5
- Authority
- FR
- France
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3979569 | 1969-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2048541A5 true FR2048541A5 (fr) | 1971-03-19 |
Family
ID=12562872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7018239A Expired FR2048541A5 (fr) | 1969-05-22 | 1970-05-20 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE2024859B2 (fr) |
| ES (1) | ES379880A1 (fr) |
| FR (1) | FR2048541A5 (fr) |
| GB (1) | GB1306263A (fr) |
| IE (1) | IE34290B1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2161937A1 (fr) * | 1971-10-29 | 1973-07-13 | Sumitomo Chemical Co | |
| FR2400053A1 (fr) * | 1977-08-08 | 1979-03-09 | Yamada Chem Co | Nouveaux composes chromogenes et leur emploi sur des feuilles reprographiques |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE397360B (sv) * | 1970-10-13 | 1977-10-31 | Kanzaki Paper Mfg Co Ltd | Fluoranforeningar, speciellt bensfluoranforeningar, till anvendning som fergmaterial i registrerings- och kopieringssystem och sett att framstella dessa nya foreningar |
| JPS5014533B1 (fr) * | 1971-03-30 | 1975-05-28 | ||
| CA968361A (en) * | 1971-08-30 | 1975-05-27 | Ncr Corporation | Synthesis of phthalides and fluorans and the products thereof |
| JPS5122415B2 (fr) * | 1972-01-22 | 1976-07-09 | ||
| JPS4885243A (fr) * | 1972-02-16 | 1973-11-12 | ||
| US4444591A (en) * | 1977-08-02 | 1984-04-24 | Yamada Chemical Co., Ltd. | Chromogenic compounds and the use thereof as color former in copying or recording materials |
| US4524373A (en) * | 1982-02-24 | 1985-06-18 | Kanzaki Paper Manufacturing Co., Ltd. | Fluoran derivatives as new compounds, process for preparing the same and recording system utilizing the same as colorless chromogenic material |
| CH654839A5 (de) * | 1983-09-26 | 1986-03-14 | Ciba Geigy Ag | Verfahren zur herstellung von basisch substituierten fluoranverbindungen. |
| DE3337387A1 (de) * | 1983-10-14 | 1985-04-25 | Basf Ag, 6700 Ludwigshafen | Neue fluorane und deren verwendung |
| DE3505285A1 (de) * | 1985-02-15 | 1986-08-21 | Ciba-Geigy Ag, Basel | Verfahren zur herstellung von basisch substituierten fluoranverbindungen |
| JPH0730256B2 (ja) * | 1985-06-05 | 1995-04-05 | 日本曹達株式会社 | フルオラン系発色性染料 |
| JP3501816B2 (ja) * | 1991-04-25 | 2004-03-02 | 三井化学株式会社 | ケト酸の製造方法 |
-
1970
- 1970-05-19 GB GB2419370A patent/GB1306263A/en not_active Expired
- 1970-05-19 IE IE65570A patent/IE34290B1/xx unknown
- 1970-05-20 FR FR7018239A patent/FR2048541A5/fr not_active Expired
- 1970-05-21 DE DE19702024859 patent/DE2024859B2/de not_active Withdrawn
- 1970-05-21 ES ES379880A patent/ES379880A1/es not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2161937A1 (fr) * | 1971-10-29 | 1973-07-13 | Sumitomo Chemical Co | |
| FR2400053A1 (fr) * | 1977-08-08 | 1979-03-09 | Yamada Chem Co | Nouveaux composes chromogenes et leur emploi sur des feuilles reprographiques |
Also Published As
| Publication number | Publication date |
|---|---|
| IE34290L (en) | 1970-11-22 |
| ES379880A1 (es) | 1972-09-16 |
| GB1306263A (fr) | 1973-02-07 |
| IE34290B1 (en) | 1975-04-02 |
| DE2024859A1 (de) | 1970-11-26 |
| DE2024859B2 (de) | 1974-03-14 |