DE69121170D1 - Verfahren zur Herstellung von Indigoverbindungen - Google Patents
Verfahren zur Herstellung von IndigoverbindungenInfo
- Publication number
- DE69121170D1 DE69121170D1 DE69121170T DE69121170T DE69121170D1 DE 69121170 D1 DE69121170 D1 DE 69121170D1 DE 69121170 T DE69121170 T DE 69121170T DE 69121170 T DE69121170 T DE 69121170T DE 69121170 D1 DE69121170 D1 DE 69121170D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- indigo compounds
- indigo
- compounds
- 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 - Fee Related
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
- C09B7/00—Indigoid dyes
- C09B7/02—Bis-indole indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Indole Compounds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31620990A JPH04189871A (ja) | 1990-11-22 | 1990-11-22 | インジゴ類の製造方法 |
JP7762891A JPH04311771A (ja) | 1991-04-10 | 1991-04-10 | インジゴ類の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69121170D1 true DE69121170D1 (de) | 1996-09-05 |
DE69121170T2 DE69121170T2 (de) | 1997-01-30 |
Family
ID=26418693
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69121170T Expired - Fee Related DE69121170T2 (de) | 1990-11-22 | 1991-11-20 | Verfahren zur Herstellung von Indigoverbindungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US5187283A (de) |
EP (1) | EP0487322B1 (de) |
CA (1) | CA2055729C (de) |
DE (1) | DE69121170T2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4220804A1 (de) * | 1992-06-25 | 1994-01-05 | Basf Ag | Verfahren zur Reinigung von Indigo |
CN107141252A (zh) * | 2017-06-26 | 2017-09-08 | 常州大学 | 一种类水滑石材料催化含氮杂环化合物氧化脱氢的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE68918964T2 (de) * | 1988-02-23 | 1995-03-16 | Mitsui Toatsu Chemicals | Verfahren zur Herstellung einer Indigoverbindung. |
CA1334097C (en) * | 1988-03-17 | 1995-01-24 | Usaji Takaki | Process for the preparation of indigo compounds |
EP0339887B1 (de) * | 1988-04-25 | 1996-07-10 | MITSUI TOATSU CHEMICALS, Inc. | Verfahren zur Herstellung von Indigoverbindungen |
CA2000990C (en) * | 1988-11-10 | 1995-06-20 | Yoshihiro Yamamoto | Process for the preparation of indigo compounds |
JPH0374470A (ja) * | 1989-08-15 | 1991-03-29 | Mitsui Toatsu Chem Inc | インジゴ化合物の製造方法 |
-
1991
- 1991-11-18 CA CA002055729A patent/CA2055729C/en not_active Expired - Fee Related
- 1991-11-20 EP EP91310686A patent/EP0487322B1/de not_active Expired - Lifetime
- 1991-11-20 DE DE69121170T patent/DE69121170T2/de not_active Expired - Fee Related
- 1991-11-21 US US07/796,265 patent/US5187283A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0487322A1 (de) | 1992-05-27 |
CA2055729C (en) | 1995-06-20 |
US5187283A (en) | 1993-02-16 |
EP0487322B1 (de) | 1996-07-31 |
CA2055729A1 (en) | 1992-05-23 |
DE69121170T2 (de) | 1997-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |