DE3005397C2 - - Google Patents
Info
- Publication number
- DE3005397C2 DE3005397C2 DE3005397A DE3005397A DE3005397C2 DE 3005397 C2 DE3005397 C2 DE 3005397C2 DE 3005397 A DE3005397 A DE 3005397A DE 3005397 A DE3005397 A DE 3005397A DE 3005397 C2 DE3005397 C2 DE 3005397C2
- Authority
- DE
- Germany
- Prior art keywords
- acid
- bis
- azo
- catalyst
- hydroxy
- 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
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
-
- 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
- C09B11/12—Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus
- C09B11/18—Preparation by oxidation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Furan Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54015002A JPS5919548B2 (ja) | 1979-02-14 | 1979-02-14 | 3,3−ビス−(4−ジメチルアミノフエニル)−6−ジメチルアミノフタリドの改良製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3005397A1 DE3005397A1 (de) | 1980-08-28 |
DE3005397C2 true DE3005397C2 (US06826419-20041130-M00005.png) | 1987-12-10 |
Family
ID=11876687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19803005397 Granted DE3005397A1 (de) | 1979-02-14 | 1980-02-13 | Verbessertes verfahren zur herstellung von 3,3-bis-(4-dimethylaminophenyl)-6-dimethylaminophthalid |
Country Status (4)
Country | Link |
---|---|
US (1) | US4271075A (US06826419-20041130-M00005.png) |
JP (1) | JPS5919548B2 (US06826419-20041130-M00005.png) |
DE (1) | DE3005397A1 (US06826419-20041130-M00005.png) |
GB (1) | GB2042577B (US06826419-20041130-M00005.png) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0753828B2 (ja) * | 1986-02-07 | 1995-06-07 | 山田化学工業株式会社 | 3,3−ビス−(4−ジメチルアミノフエニル)−6−ジメチルアミノフタリドの製造法 |
JP2591618B2 (ja) * | 1987-05-18 | 1997-03-19 | 山田化学工業株式会社 | 3,3―ビス―(4―ジメチルアミノフェニル)―6―ジメチルアミノフタリドの製造法 |
KR930021731A (ko) * | 1992-04-08 | 1993-11-22 | 랑핑어, 방에르트 | 산화에 의한 디아릴메탄 또는 트리아릴메탄염료의 제조방법 |
DE59306714D1 (de) * | 1992-04-08 | 1997-07-17 | Basf Ag | Verfahren zur Herstellung von Di- oder Triarylmethanfarbstoffen durch Oxidation |
US5973168A (en) * | 1997-06-18 | 1999-10-26 | Mitsui Chemicals, Inc. | Preparation process of phthalide compound |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5231384B1 (US06826419-20041130-M00005.png) * | 1970-08-29 | 1977-08-15 | ||
GB1347467A (en) * | 1970-11-18 | 1974-02-27 | Clayton Aniline Co Ltd | Process for the preparation of crystal biolet lactone |
BE787210A (fr) * | 1971-08-04 | 1973-02-05 | Basf Ag | Procede pour l'oxydation catalytique de composes di- et tri-(hetero)-aryl-methanes |
DE2557687A1 (de) * | 1975-12-20 | 1977-06-30 | Basf Ag | Verfahren zur herstellung von lactonen der triphenylmethanreihe |
US4076728A (en) * | 1977-03-17 | 1978-02-28 | American Cyanamid Company | Process for manufacturing crystal violet lactone |
JPH05278867A (ja) * | 1992-03-31 | 1993-10-26 | Eastman Kodak Japan Kk | 紙搬送装置 |
-
1979
- 1979-02-14 JP JP54015002A patent/JPS5919548B2/ja not_active Expired
-
1980
- 1980-01-29 US US06/116,383 patent/US4271075A/en not_active Expired - Lifetime
- 1980-02-06 GB GB8003997A patent/GB2042577B/en not_active Expired
- 1980-02-13 DE DE19803005397 patent/DE3005397A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
GB2042577B (en) | 1983-02-23 |
JPS55120562A (en) | 1980-09-17 |
DE3005397A1 (de) | 1980-08-28 |
US4271075A (en) | 1981-06-02 |
JPS5919548B2 (ja) | 1984-05-07 |
GB2042577A (en) | 1980-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |