BR9500699A - Processo para a preparação de um corante azo e corante obtenível por este processo - Google Patents
Processo para a preparação de um corante azo e corante obtenível por este processoInfo
- Publication number
- BR9500699A BR9500699A BR9500699A BR9500699A BR9500699A BR 9500699 A BR9500699 A BR 9500699A BR 9500699 A BR9500699 A BR 9500699A BR 9500699 A BR9500699 A BR 9500699A BR 9500699 A BR9500699 A BR 9500699A
- Authority
- BR
- Brazil
- Prior art keywords
- dye
- preparing
- obtainable
- azo
- azo dye
- Prior art date
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
- C09B29/00—Monoazo dyes prepared by diazotising and coupling
- C09B29/0003—Monoazo dyes prepared by diazotising and coupling from diazotized anilines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/20—Diazonium compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/22—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof from sulfonic acids, by reactions not involving the formation of sulfo or halosulfonyl groups; from sulfonic halides by reactions not involving the formation of halosulfonyl groups
-
- 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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/06—Disazo dyes from a coupling component "C" containing a directive hydroxyl group
- C09B31/062—Phenols
-
- 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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/22—Trisazo dyes of the type A->B->K<-C
-
- 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
- C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/24—Trisazo dyes of the type
-
- 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
- C09B45/00—Complex metal compounds of azo dyes
- C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
- C09B45/24—Disazo or polyazo compounds
- C09B45/28—Disazo or polyazo compounds containing copper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4405469A DE4405469C2 (de) | 1994-02-21 | 1994-02-21 | Verfahren zur Herstellung von Azofarbstoffen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9500699A true BR9500699A (pt) | 1995-10-24 |
Family
ID=6510758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9500699A BR9500699A (pt) | 1994-02-21 | 1995-02-20 | Processo para a preparação de um corante azo e corante obtenível por este processo |
Country Status (6)
Country | Link |
---|---|
US (1) | US5606034A (pt) |
EP (1) | EP0669380B1 (pt) |
JP (1) | JPH07258562A (pt) |
BR (1) | BR9500699A (pt) |
DE (2) | DE4405469C2 (pt) |
ES (1) | ES2156201T3 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6680344B1 (en) | 1999-06-01 | 2004-01-20 | The University Of Texas Southwestern Medical Center | Method of treating hair loss using diphenylmethane derivatives |
AU3507700A (en) | 1999-06-01 | 2000-12-18 | University Of Texas Southwestern Medical Center, The | Method of treating hair loss using diphenylether derivatives |
MXPA01012494A (es) | 1999-06-01 | 2002-07-02 | Univ Texas Southwestern Med Ct | Metodo para tratar perdida capilar con el uso de compuestos sulfonil tiromimeticos. |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1231251B (de) * | 1963-11-28 | 1966-12-29 | Basf Ag | Verfahren zur kontinuierlichen Herstellung von Diazoverbindungen |
GB1556622A (en) * | 1975-08-08 | 1979-11-28 | Ici Ltd | Method of improving the water-solubility of acid dyes |
CH617713A5 (en) * | 1975-11-14 | 1980-06-13 | Sandoz Ag | Process for preparing dyes |
DE2741925A1 (de) * | 1977-09-17 | 1979-03-29 | Bayer Ag | Verfahren zur kontinuierlichen indirekten diazotierung von aromatischen aminen |
EP0003656B1 (en) * | 1978-02-14 | 1981-07-15 | Imperial Chemical Industries Plc | Process for the diazotisation of amines |
GB2021617A (en) * | 1978-05-26 | 1979-12-05 | Ici Ltd | Monoazo dyes |
US4265810A (en) * | 1978-10-26 | 1981-05-05 | E. I. Du Pont De Nemours And Company | Process for recovering zwitterionic diazonium salts by aggregation |
DE2910458A1 (de) * | 1979-03-16 | 1980-09-25 | Bayer Ag | Polyazofarbstoffe |
EP0184555A3 (de) * | 1984-12-06 | 1989-11-02 | Ciba-Geigy Ag | Verfahren zur Diazotierung von Aminen |
US4845638A (en) * | 1985-07-15 | 1989-07-04 | Ciba-Geigy Corporation | Method of eliminating excess nitrite in diazotisation solutions |
DE3669881D1 (de) * | 1985-08-22 | 1990-05-03 | Ciba Geigy Ag | Verfahren zur bestimmung der diazonium-ionenkonzentration. |
US4918168A (en) * | 1987-11-24 | 1990-04-17 | Mallinckrodt Inc. | Process for the continuous diazotization of amines in a multi-stage reactor |
-
1994
- 1994-02-21 DE DE4405469A patent/DE4405469C2/de not_active Expired - Fee Related
-
1995
- 1995-02-08 DE DE59509118T patent/DE59509118D1/de not_active Expired - Fee Related
- 1995-02-08 ES ES95810083T patent/ES2156201T3/es not_active Expired - Lifetime
- 1995-02-08 EP EP95810083A patent/EP0669380B1/de not_active Expired - Lifetime
- 1995-02-16 US US08/389,371 patent/US5606034A/en not_active Expired - Fee Related
- 1995-02-20 BR BR9500699A patent/BR9500699A/pt not_active Application Discontinuation
- 1995-02-21 JP JP7031276A patent/JPH07258562A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE4405469A1 (de) | 1995-08-24 |
EP0669380B1 (de) | 2001-03-28 |
DE59509118D1 (de) | 2001-05-03 |
EP0669380A3 (de) | 1997-01-29 |
JPH07258562A (ja) | 1995-10-09 |
EP0669380A2 (de) | 1995-08-30 |
ES2156201T3 (es) | 2001-06-16 |
DE4405469C2 (de) | 1996-11-07 |
US5606034A (en) | 1997-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PC | Transfer |
Free format text: CIBA SC HOLDING AG (CH) |
|
TC | Change of name | ||
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law |