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
Application number
ES461163A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chimicasa GmbH
Original Assignee
Chimicasa GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chimicasa GmbH filed Critical Chimicasa GmbH
Publication of ES461163A1 publication Critical patent/ES461163A1/es
Expired legal-status Critical Current

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)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (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.
ES461163A 1976-08-02 1977-07-29 Procedimiento para refinar sacarina sodica bruta. Expired ES461163A1 (es)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3988344A (en) * 1975-06-10 1976-10-26 Daiwa Kasei Kabushiki Kaisha Process for purifying saccharin

Also Published As

Publication number Publication date
DE2730861A1 (de) 1978-02-09
FR2360586A1 (fr) 1978-03-03
GB1580715A (en) 1980-12-03
JPS5318774A (en) 1978-02-21
US4158006A (en) 1979-06-12
SE7708777L (sv) 1978-02-03
DD130579A5 (de) 1978-04-12
IN146418B (es) 1979-05-26
IT1079385B (it) 1985-05-08
FR2360586B1 (es) 1980-03-21
LU75518A1 (es) 1978-02-13

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