ES461163A1 - Procedimiento para refinar sacarina sodica bruta. - Google Patents
Procedimiento para refinar sacarina sodica bruta.Info
- Publication number
- ES461163A1 ES461163A1 ES461163A ES461163A ES461163A1 ES 461163 A1 ES461163 A1 ES 461163A1 ES 461163 A ES461163 A ES 461163A ES 461163 A ES461163 A ES 461163A ES 461163 A1 ES461163 A1 ES 461163A1
- Authority
- ES
- Spain
- Prior art keywords
- saccharin sodium
- refining
- saccharin
- contaminants
- crude
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D275/00—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings
- C07D275/04—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems
- C07D275/06—Heterocyclic compounds containing 1,2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems with hetero atoms directly attached to the ring sulfur atom
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extraction Or Liquid Replacement (AREA)
- Cosmetics (AREA)
- Seasonings (AREA)
Abstract
Procedimiento para refinar sacarina sódica bruta, impurificada por sustancias orgánicas, caracterizado porque se somete a una extracción en contra corriente, orientada en sentido vertical, una solución acuosa al 30 hasta 60% de sacarina sódica en bruto, que se ajusta a un pH entre 4,5 y 6,0 con cloruro metilénico.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU75518A LU75518A1 (es) | 1976-08-02 | 1976-08-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES461163A1 true ES461163A1 (es) | 1978-12-01 |
Family
ID=19728315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES461163A Expired ES461163A1 (es) | 1976-08-02 | 1977-07-29 | Procedimiento para refinar sacarina sodica bruta. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4158006A (es) |
JP (1) | JPS5318774A (es) |
DD (1) | DD130579A5 (es) |
DE (1) | DE2730861A1 (es) |
ES (1) | ES461163A1 (es) |
FR (1) | FR2360586A1 (es) |
GB (1) | GB1580715A (es) |
IN (1) | IN146418B (es) |
IT (1) | IT1079385B (es) |
LU (1) | LU75518A1 (es) |
SE (1) | SE7708777L (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103508974B (zh) * | 2012-06-28 | 2016-02-17 | 张卫民 | 一种处理邻磺酰胺苯甲酸甲酯结晶母液的方法 |
CN110776476B (zh) * | 2019-12-02 | 2021-06-08 | 北京海泰天正医药科技有限公司 | 药用级邻苯甲酰磺酰亚胺盐及其制备方法 |
CN115745908A (zh) * | 2022-11-16 | 2023-03-07 | 河南莱伯瑞特科技有限公司 | 1,1-二氧代-1,2-苯并异噻唑-3(2h)-酮钠盐结晶工艺 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988344A (en) * | 1975-06-10 | 1976-10-26 | Daiwa Kasei Kabushiki Kaisha | Process for purifying saccharin |
-
1976
- 1976-08-02 LU LU75518A patent/LU75518A1/xx unknown
-
1977
- 1977-07-08 DE DE19772730861 patent/DE2730861A1/de not_active Withdrawn
- 1977-07-15 IN IN1092/CAL/77A patent/IN146418B/en unknown
- 1977-07-25 JP JP8847577A patent/JPS5318774A/ja active Pending
- 1977-07-27 US US05/819,255 patent/US4158006A/en not_active Expired - Lifetime
- 1977-07-27 IT IT50455/77A patent/IT1079385B/it active
- 1977-07-28 DD DD7700200328A patent/DD130579A5/xx unknown
- 1977-07-29 ES ES461163A patent/ES461163A1/es not_active Expired
- 1977-07-29 FR FR7723474A patent/FR2360586A1/fr active Granted
- 1977-08-01 SE SE7708777A patent/SE7708777L/xx not_active Application Discontinuation
- 1977-08-01 GB GB32121/77A patent/GB1580715A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4158006A (en) | 1979-06-12 |
FR2360586A1 (fr) | 1978-03-03 |
IT1079385B (it) | 1985-05-08 |
FR2360586B1 (es) | 1980-03-21 |
SE7708777L (sv) | 1978-02-03 |
JPS5318774A (en) | 1978-02-21 |
IN146418B (es) | 1979-05-26 |
DD130579A5 (de) | 1978-04-12 |
DE2730861A1 (de) | 1978-02-09 |
LU75518A1 (es) | 1978-02-13 |
GB1580715A (en) | 1980-12-03 |
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