ES2107483T3 - Procedimiento para la purificacion de indigo. - Google Patents
Procedimiento para la purificacion de indigo.Info
- Publication number
- ES2107483T3 ES2107483T3 ES92111596T ES92111596T ES2107483T3 ES 2107483 T3 ES2107483 T3 ES 2107483T3 ES 92111596 T ES92111596 T ES 92111596T ES 92111596 T ES92111596 T ES 92111596T ES 2107483 T3 ES2107483 T3 ES 2107483T3
- Authority
- ES
- Spain
- Prior art keywords
- indigo
- purification
- solutions
- oxidation
- procedure
- 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
- 235000000177 Indigofera tinctoria Nutrition 0.000 title abstract 4
- 229940097275 indigo Drugs 0.000 title abstract 4
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 abstract 2
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 239000000243 solution Substances 0.000 abstract 2
- 239000012670 alkaline solution Substances 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
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
- C09B7/00—Indigoid dyes
- C09B7/02—Bis-indole indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/731,657 US5116996A (en) | 1991-07-17 | 1991-07-17 | Purification of indigo |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2107483T3 true ES2107483T3 (es) | 1997-12-01 |
Family
ID=24940442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES92111596T Expired - Lifetime ES2107483T3 (es) | 1991-07-17 | 1992-07-08 | Procedimiento para la purificacion de indigo. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5116996A (Direct) |
| EP (1) | EP0523532B1 (Direct) |
| JP (1) | JPH05202300A (Direct) |
| CN (1) | CN1043651C (Direct) |
| BR (1) | BR9202583A (Direct) |
| DE (1) | DE59208937D1 (Direct) |
| ES (1) | ES2107483T3 (Direct) |
| TW (1) | TW224125B (Direct) |
Families Citing this family (7)
| 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 |
| CN103387530A (zh) * | 2012-05-09 | 2013-11-13 | 李立奇 | 5-溴吲哚的制备方法 |
| 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 |
| JP7011042B2 (ja) | 2017-08-11 | 2022-01-26 | アルフローマ アイピー ゲゼルシャフト ミット ベシュレンクテル ハフツング | 精製した濃縮水性ロイコインジゴ塩溶液 |
| PT3569660T (pt) * | 2018-05-18 | 2021-12-17 | Archroma Ip Gmbh | Método para fazer soluções de sal de leucoíndigo sem anilina |
| BR102019025172A2 (pt) * | 2019-11-28 | 2021-06-08 | Bann Química Ltda. | processo de purificação de soluções de sal de leucoíndigo e uso de um gás inerte |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2734951C2 (de) * | 1977-08-03 | 1979-08-09 | Basf Farben + Fasern Ag, 2000 Hamburg | Verfahren zur Nachbehandlung von 4,4', 7,7'-Tetrachlorthioindigo |
| JPS54124027A (en) * | 1978-03-22 | 1979-09-26 | Mitsui Petrochem Ind Ltd | Preparation of indigo |
| DE3101883A1 (de) * | 1981-01-22 | 1982-08-26 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von 4,4',7,7'-tetrachlorthioindigo |
| CA1334097C (en) * | 1988-03-17 | 1995-01-24 | Usaji Takaki | Process for the preparation of indigo compounds |
-
1991
- 1991-07-17 US US07/731,657 patent/US5116996A/en not_active Expired - Lifetime
-
1992
- 1992-06-03 TW TW081104381A patent/TW224125B/zh active
- 1992-07-08 DE DE59208937T patent/DE59208937D1/de not_active Expired - Lifetime
- 1992-07-08 ES ES92111596T patent/ES2107483T3/es not_active Expired - Lifetime
- 1992-07-08 EP EP92111596A patent/EP0523532B1/de not_active Expired - Lifetime
- 1992-07-10 BR BR929202583A patent/BR9202583A/pt not_active IP Right Cessation
- 1992-07-15 JP JP4187817A patent/JPH05202300A/ja not_active Withdrawn
- 1992-07-17 CN CN92105910A patent/CN1043651C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0523532B1 (de) | 1997-10-01 |
| CN1043651C (zh) | 1999-06-16 |
| CN1068581A (zh) | 1993-02-03 |
| BR9202583A (pt) | 1993-03-16 |
| EP0523532A2 (de) | 1993-01-20 |
| EP0523532A3 (en) | 1994-11-17 |
| DE59208937D1 (de) | 1997-11-06 |
| JPH05202300A (ja) | 1993-08-10 |
| TW224125B (Direct) | 1994-05-21 |
| US5116996A (en) | 1992-05-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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