NL9000891A - Werkwijze voor het zuiveren van een benzoezuur. - Google Patents
Werkwijze voor het zuiveren van een benzoezuur. Download PDFInfo
- Publication number
- NL9000891A NL9000891A NL9000891A NL9000891A NL9000891A NL 9000891 A NL9000891 A NL 9000891A NL 9000891 A NL9000891 A NL 9000891A NL 9000891 A NL9000891 A NL 9000891A NL 9000891 A NL9000891 A NL 9000891A
- Authority
- NL
- Netherlands
- Prior art keywords
- benzoic acid
- purifying
- purifying agent
- process according
- nhr
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9000891A NL9000891A (nl) | 1990-04-14 | 1990-04-14 | Werkwijze voor het zuiveren van een benzoezuur. |
EP19910200832 EP0453022A3 (en) | 1990-04-14 | 1991-04-10 | Method for the purification of benzoic acid |
JP3079759A JPH04224543A (ja) | 1990-04-14 | 1991-04-12 | 安息香酸の精製法及び安息香酸塩の製法 |
CN91102531.6A CN1055917A (zh) | 1990-04-14 | 1991-04-13 | 苯甲酸的提纯方法 |
US07/974,663 US5364962A (en) | 1990-04-14 | 1992-11-12 | Method for purification of a benzoic acid |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9000891 | 1990-04-14 | ||
NL9000891A NL9000891A (nl) | 1990-04-14 | 1990-04-14 | Werkwijze voor het zuiveren van een benzoezuur. |
Publications (1)
Publication Number | Publication Date |
---|---|
NL9000891A true NL9000891A (nl) | 1991-11-01 |
Family
ID=19856938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL9000891A NL9000891A (nl) | 1990-04-14 | 1990-04-14 | Werkwijze voor het zuiveren van een benzoezuur. |
Country Status (5)
Country | Link |
---|---|
US (1) | US5364962A (zh) |
EP (1) | EP0453022A3 (zh) |
JP (1) | JPH04224543A (zh) |
CN (1) | CN1055917A (zh) |
NL (1) | NL9000891A (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100413842C (zh) * | 2005-07-04 | 2008-08-27 | 南亚塑胶工业股份有限公司 | 苯甲酸的纯化方法 |
CN101508641B (zh) * | 2009-03-20 | 2012-12-12 | 天津市东大化工有限公司 | 精制苯甲酸生产过程实现循环经济产业链的应用技术 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3078303A (en) * | 1959-03-27 | 1963-02-19 | California Research Corp | Purification of aromatic carboxylic acids |
NL277548A (zh) * | 1961-04-26 | 1900-01-01 | ||
DE2636489C2 (de) * | 1976-08-13 | 1984-01-12 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Natriumbenzoat |
NL7805415A (nl) * | 1978-05-19 | 1979-11-21 | Stamicarbon | Werkwijze voor het bereiden van een alkalimetaalbenzoaat naast een benzylalkohol. |
CH639061A5 (de) * | 1979-01-09 | 1983-10-31 | Ciba Geigy Ag | Verfahren zur reinigung von aromatischen saeuren oder deren salzen. |
JPS5675451A (en) * | 1979-11-21 | 1981-06-22 | Koei Chem Co Ltd | Method for treating composition containing carboxylic acid |
SU925933A1 (ru) * | 1980-07-18 | 1982-05-07 | Научно-Исследовательский Институт Сланцев | Способ получени бензоата натри |
JPS57118523A (en) * | 1981-01-13 | 1982-07-23 | Mitsubishi Chem Ind Ltd | Separation of acidic organic compound by reverse-phase ion pair chromatography |
DE3821155A1 (de) * | 1988-06-23 | 1989-12-28 | Roehm Gmbh | Verfahren zur abtrennung von fluorwasserstoff aus isobuttersaeure oder ihren alkylestern |
DE3824265A1 (de) * | 1988-07-16 | 1990-01-18 | Bayer Ag | Verfahren zur destillativen gewinnung von o-tolylsaeure |
-
1990
- 1990-04-14 NL NL9000891A patent/NL9000891A/nl not_active Application Discontinuation
-
1991
- 1991-04-10 EP EP19910200832 patent/EP0453022A3/en not_active Withdrawn
- 1991-04-12 JP JP3079759A patent/JPH04224543A/ja active Pending
- 1991-04-13 CN CN91102531.6A patent/CN1055917A/zh active Pending
-
1992
- 1992-11-12 US US07/974,663 patent/US5364962A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH04224543A (ja) | 1992-08-13 |
CN1055917A (zh) | 1991-11-06 |
EP0453022A2 (en) | 1991-10-23 |
EP0453022A3 (en) | 1992-09-02 |
US5364962A (en) | 1994-11-15 |
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Legal Events
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---|---|---|---|
A1B | A search report has been drawn up | ||
BV | The patent application has lapsed |