IN156130B - - Google Patents
Info
- Publication number
- IN156130B IN156130B IN238/DEL/81A IN238DE1981A IN156130B IN 156130 B IN156130 B IN 156130B IN 238DE1981 A IN238DE1981 A IN 238DE1981A IN 156130 B IN156130 B IN 156130B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803020441 DE3020441A1 (de) | 1980-05-29 | 1980-05-29 | Verfahren zur herstellung von nitronaphthalin-sulfonsaeuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN156130B true IN156130B (OSRAM) | 1985-05-18 |
Family
ID=6103521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN238/DEL/81A IN156130B (OSRAM) | 1980-05-29 | 1981-04-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4534905A (OSRAM) |
| EP (1) | EP0041631B1 (OSRAM) |
| JP (1) | JPS5721361A (OSRAM) |
| DE (2) | DE3020441A1 (OSRAM) |
| IN (1) | IN156130B (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK1934236T3 (da) | 2005-09-02 | 2013-02-25 | Glycomimetics Inc | Heterobifunktionelle pan-selektininhibitorer |
| CN101381331B (zh) * | 2008-10-27 | 2012-08-22 | 泰兴锦汇化工有限公司 | 一种染料中间体h酸的制备方法 |
| CN102936213B (zh) * | 2011-08-15 | 2014-06-25 | 中国中化股份有限公司 | 一种1，8-二硝基-3，6-萘二磺酸的清洁制备方法 |
| CN109096155B (zh) * | 2018-07-09 | 2019-06-21 | 山东创蓝垚石环保技术有限公司 | 一种通过碱熔母液循环利用生产h酸的工艺 |
| CN110256302B (zh) * | 2019-06-27 | 2020-07-17 | 山东创蓝垚石环保技术有限公司 | 一种络合萃取生产h酸的方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2960219D1 (en) * | 1978-02-16 | 1981-04-23 | Ciba Geigy Ag | Process for the nitration of aromatic sulfonic acids |
| DE2837498A1 (de) * | 1978-08-28 | 1980-03-06 | Bayer Ag | Verfahren zur herstellung von nitro-t-saeure (8-nitronaphthalin-1.3.6- trisulfonsaeure) |
| JPS5587760A (en) * | 1978-12-22 | 1980-07-02 | Ciba Geigy Ag | Manufacture of nitrooarmstrong*s acid |
| DE2903849A1 (de) * | 1979-02-01 | 1980-08-14 | Bayer Ag | Verfahren zur herstellung des magnesiumsalzes von 2-nitronaphthalin-4,8- disulfonsaeure (nitro-armstrong-saeure) |
-
1980
- 1980-05-29 DE DE19803020441 patent/DE3020441A1/de not_active Withdrawn
-
1981
- 1981-04-21 IN IN238/DEL/81A patent/IN156130B/en unknown
- 1981-05-15 EP EP81103745A patent/EP0041631B1/de not_active Expired
- 1981-05-15 DE DE8181103745T patent/DE3160386D1/de not_active Expired
- 1981-05-20 US US06/265,271 patent/US4534905A/en not_active Expired - Fee Related
- 1981-05-26 JP JP7876481A patent/JPS5721361A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3020441A1 (de) | 1981-12-03 |
| US4534905A (en) | 1985-08-13 |
| DE3160386D1 (en) | 1983-07-07 |
| JPS6210501B2 (OSRAM) | 1987-03-06 |
| JPS5721361A (en) | 1982-02-04 |
| EP0041631B1 (de) | 1983-06-01 |
| EP0041631A1 (de) | 1981-12-16 |