NL7102980A - - Google Patents
Info
- Publication number
- NL7102980A NL7102980A NL7102980A NL7102980A NL7102980A NL 7102980 A NL7102980 A NL 7102980A NL 7102980 A NL7102980 A NL 7102980A NL 7102980 A NL7102980 A NL 7102980A NL 7102980 A NL7102980 A NL 7102980A
- Authority
- NL
- Netherlands
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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/32—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines
- C09B43/325—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines by reacting sulfonic acids with amines
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pyridine Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE298870A SE353537B (cs) | 1970-03-06 | 1970-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7102980A true NL7102980A (cs) | 1971-09-08 |
Family
ID=20261150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7102980A NL7102980A (cs) | 1970-03-06 | 1971-03-05 |
Country Status (6)
| Country | Link |
|---|---|
| CH (1) | CH520139A (cs) |
| DE (1) | DE2110613A1 (cs) |
| FR (1) | FR2085679B1 (cs) |
| GB (1) | GB1296655A (cs) |
| NL (1) | NL7102980A (cs) |
| SE (1) | SE353537B (cs) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791889A (fr) * | 1971-11-26 | 1973-05-24 | Pharmacia Ab | Nouveaux derives de la pyridine |
| US4412992A (en) * | 1980-07-21 | 1983-11-01 | Biorex Laboratories Limited | 2-Hydroxy-5-phenylazobenzoic acid derivatives and method of treating ulcerative colitis therewith |
| CN104130186A (zh) * | 2014-06-30 | 2014-11-05 | 江苏瑞克医药科技有限公司 | 一种提高柳氮磺吡啶精制生产效率的方法 |
| CN105330599A (zh) * | 2015-11-26 | 2016-02-17 | 苏州统华药品有限公司 | 一种以2-氨基吡啶为原料合成柳氮磺吡啶的方法 |
-
1970
- 1970-03-06 SE SE298870A patent/SE353537B/xx unknown
-
1971
- 1971-03-05 CH CH324271A patent/CH520139A/fr not_active IP Right Cessation
- 1971-03-05 NL NL7102980A patent/NL7102980A/xx unknown
- 1971-03-05 FR FR7107772A patent/FR2085679B1/fr not_active Expired
- 1971-03-05 DE DE19712110613 patent/DE2110613A1/de active Pending
- 1971-04-19 GB GB1296655D patent/GB1296655A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2085679B1 (cs) | 1974-11-15 |
| SE353537B (cs) | 1973-02-05 |
| FR2085679A1 (cs) | 1971-12-31 |
| GB1296655A (cs) | 1972-11-15 |
| DE2110613A1 (de) | 1971-09-23 |
| CH520139A (fr) | 1972-03-15 |