ES2044730T3 - Procedimiento para la purifificacion de indigo. - Google Patents
Procedimiento para la purifificacion de indigo.Info
- Publication number
- ES2044730T3 ES2044730T3 ES92105033T ES92105033T ES2044730T3 ES 2044730 T3 ES2044730 T3 ES 2044730T3 ES 92105033 T ES92105033 T ES 92105033T ES 92105033 T ES92105033 T ES 92105033T ES 2044730 T3 ES2044730 T3 ES 2044730T3
- Authority
- ES
- Spain
- Prior art keywords
- indigo
- procedure
- purifification
- oxigeno
- indoxylate
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/32—Oxygen atoms
- C07D209/36—Oxygen atoms in position 3, e.g. adrenochrome
-
- 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
- C09B7/00—Indigoid dyes
- C09B7/02—Bis-indole indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
Abstract
LA INVENCION CONCIERNE A UN PROCEDIMIENTO PARA LA PRODUCCION DE INDIGO PURIFICADO, QUE SE CARACTERIZA PORQUE EN LA SINTESIS DE LA SOLUCION DE INDOXILATO ALCALINA ACUOSA EXISTENTE ANTES DE SU OXIDACION A INDIGO SE EXTRAE BAJO LA AGREGACION DE OXIGENO CON UN DISOLVENTE INDISOLUBLE EN AGUA INERTE.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/684,873 US5075458A (en) | 1991-04-15 | 1991-04-15 | Purification of indigo |
US07/729,687 US5109137A (en) | 1991-04-15 | 1991-07-15 | Purification of indigo |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2044730T3 true ES2044730T3 (es) | 1994-01-01 |
Family
ID=27103450
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES92105033T Expired - Lifetime ES2044730T3 (es) | 1991-04-15 | 1992-03-24 | Procedimiento para la purifificacion de indigo. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5109137A (es) |
EP (1) | EP0509275B1 (es) |
JP (1) | JPH05112729A (es) |
CN (1) | CN1037450C (es) |
BR (1) | BR9201132A (es) |
DE (1) | DE59200014D1 (es) |
ES (1) | ES2044730T3 (es) |
TW (1) | TW223100B (es) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4220804A1 (de) * | 1992-06-25 | 1994-01-05 | Basf Ag | Verfahren zur Reinigung von Indigo |
DE4336032A1 (de) * | 1993-10-22 | 1995-04-27 | Basf Ag | Verfahren zur Reinigung von Indigo |
FR2776286B1 (fr) | 1998-03-20 | 2000-05-12 | Ceramiques Tech Soc D | Fibre ceramique poreuse multi-canal |
CN101824231A (zh) * | 2010-04-01 | 2010-09-08 | 五邑大学 | 一种植物靛蓝的提纯方法 |
CN103556420B (zh) * | 2013-10-30 | 2015-11-18 | 江苏泰丰化工有限公司 | 一种从靛蓝后处理洗涤过程中回收混合碱液的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US702730A (en) * | 1901-10-15 | 1902-06-17 | Hoechst Ag | Purifying raw indigo. |
US1644493A (en) * | 1921-06-17 | 1927-10-04 | Nat Aniline & Chem Co Inc | Method of effecting caustic fusions |
DE2734951C2 (de) * | 1977-08-03 | 1979-08-09 | Basf Farben + Fasern Ag, 2000 Hamburg | Verfahren zur Nachbehandlung von 4,4', 7,7'-Tetrachlorthioindigo |
CA1334097C (en) * | 1988-03-17 | 1995-01-24 | Usaji Takaki | Process for the preparation of indigo compounds |
EP0339887B1 (en) * | 1988-04-25 | 1996-07-10 | MITSUI TOATSU CHEMICALS, Inc. | Process for the preparation of indigo compounds |
-
1991
- 1991-07-15 US US07/729,687 patent/US5109137A/en not_active Expired - Fee Related
-
1992
- 1992-03-18 TW TW081102054A patent/TW223100B/zh active
- 1992-03-24 DE DE92105033T patent/DE59200014D1/de not_active Expired - Fee Related
- 1992-03-24 EP EP92105033A patent/EP0509275B1/de not_active Expired - Lifetime
- 1992-03-24 ES ES92105033T patent/ES2044730T3/es not_active Expired - Lifetime
- 1992-03-31 BR BR929201132A patent/BR9201132A/pt not_active IP Right Cessation
- 1992-04-13 JP JP4092749A patent/JPH05112729A/ja not_active Withdrawn
- 1992-04-14 CN CN92102817A patent/CN1037450C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
TW223100B (es) | 1994-05-01 |
CN1065872A (zh) | 1992-11-04 |
JPH05112729A (ja) | 1993-05-07 |
BR9201132A (pt) | 1992-12-01 |
US5109137A (en) | 1992-04-28 |
EP0509275B1 (de) | 1993-09-29 |
EP0509275A1 (de) | 1992-10-21 |
CN1037450C (zh) | 1998-02-18 |
DE59200014D1 (de) | 1993-11-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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