FR2173268A1 - - Google Patents
Info
- Publication number
- FR2173268A1 FR2173268A1 FR7306531A FR7306531A FR2173268A1 FR 2173268 A1 FR2173268 A1 FR 2173268A1 FR 7306531 A FR7306531 A FR 7306531A FR 7306531 A FR7306531 A FR 7306531A FR 2173268 A1 FR2173268 A1 FR 2173268A1
- 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.)
- Granted
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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Heat Sensitive Colour Forming Recording (AREA)
- Color Printing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2208611A DE2208611A1 (de) | 1972-02-24 | 1972-02-24 | Verfahren zur herstellung von aryleckige klammer auf 4,4'-bis-(dialkylamino)benzhydryl eckige klammer auf -sulfonen |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2173268A1 true FR2173268A1 (fr) | 1973-10-05 |
FR2173268B1 FR2173268B1 (fr) | 1978-02-10 |
Family
ID=5836871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7306531A Expired FR2173268B1 (fr) | 1972-02-24 | 1973-02-23 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3864400A (fr) |
JP (1) | JPS4895420A (fr) |
DE (1) | DE2208611A1 (fr) |
FR (1) | FR2173268B1 (fr) |
GB (1) | GB1422720A (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005251A2 (fr) * | 1978-05-10 | 1979-11-14 | Bayer Ag | Procédé de préparation de sulfinates de 4,4'-diaminobenzhydrol et de ses produits de substitution, et papier-calque contenant ces produits |
EP0005475A1 (fr) * | 1978-05-10 | 1979-11-28 | Bayer Ag | Procédé de préparation du 4,4'-diaminobenzhydrol et de ses produits de substitution |
FR2436800A1 (fr) * | 1978-09-22 | 1980-04-18 | Ciba Geigy Ag | Composes propenylenesulfone chromogenes, leur procede de preparation et leur utilisation comme formateurs de couleur dans les matieres d'enregistrement sensibles a la pression ou a la chaleur |
FR2478090A1 (fr) * | 1980-03-14 | 1981-09-18 | Ciba Geigy Ag | Procede pour la preparation de sulfinates de composes du benzhydrol |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4257954A (en) * | 1978-08-08 | 1981-03-24 | Sterling Drug Inc. | Novel compounds, processes and marking systems |
US4494989A (en) * | 1978-08-08 | 1985-01-22 | The Hilton-Davis Chemical Co. | Compounds, processes and marking systems |
US4210601A (en) * | 1979-01-22 | 1980-07-01 | American Cyanamid Company | Process for preparing aryl[4,4'-bis(di-loweralkyl-amino)benzhydryl]sulfones |
GB2044208B (en) * | 1979-02-14 | 1983-03-23 | Kanzaki Paper Mfg Co Ltd | Process for preparing microcapsules |
JPH04338758A (ja) * | 1991-05-15 | 1992-11-26 | Brother Ind Ltd | 画像記録方法 |
JPH0592674A (ja) * | 1991-10-02 | 1993-04-16 | Brother Ind Ltd | 受像シート |
JPH06324511A (ja) * | 1993-05-14 | 1994-11-25 | Brother Ind Ltd | 感光性マイクロカプセル型トナー |
JP3362745B2 (ja) * | 1993-07-28 | 2003-01-07 | ブラザー工業株式会社 | 感光性マイクロカプセル型トナー |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3193404A (en) * | 1959-03-19 | 1965-07-06 | Davis Chester | Associated dye salts and method of forming colored indicia therewith |
-
1972
- 1972-02-24 DE DE2208611A patent/DE2208611A1/de active Pending
-
1973
- 1973-02-14 JP JP48017572A patent/JPS4895420A/ja active Pending
- 1973-02-20 US US333644A patent/US3864400A/en not_active Expired - Lifetime
- 1973-02-23 GB GB893573A patent/GB1422720A/en not_active Expired
- 1973-02-23 FR FR7306531A patent/FR2173268B1/fr not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0005251A2 (fr) * | 1978-05-10 | 1979-11-14 | Bayer Ag | Procédé de préparation de sulfinates de 4,4'-diaminobenzhydrol et de ses produits de substitution, et papier-calque contenant ces produits |
EP0005475A1 (fr) * | 1978-05-10 | 1979-11-28 | Bayer Ag | Procédé de préparation du 4,4'-diaminobenzhydrol et de ses produits de substitution |
EP0005251A3 (en) * | 1978-05-10 | 1979-12-12 | Bayer Aktiengesellschaft | Process for the preparation of sulfinates of 4,4'-diaminobenzhydrol and of its substituted products, and copying paper containing these compounds |
FR2436800A1 (fr) * | 1978-09-22 | 1980-04-18 | Ciba Geigy Ag | Composes propenylenesulfone chromogenes, leur procede de preparation et leur utilisation comme formateurs de couleur dans les matieres d'enregistrement sensibles a la pression ou a la chaleur |
FR2478090A1 (fr) * | 1980-03-14 | 1981-09-18 | Ciba Geigy Ag | Procede pour la preparation de sulfinates de composes du benzhydrol |
Also Published As
Publication number | Publication date |
---|---|
US3864400A (en) | 1975-02-04 |
FR2173268B1 (fr) | 1978-02-10 |
JPS4895420A (fr) | 1973-12-07 |
DE2208611A1 (de) | 1973-09-06 |
GB1422720A (en) | 1976-01-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |