BR8605450A - Processo de separacao e de purificacao do acido parahidroxibenzoico - Google Patents
Processo de separacao e de purificacao do acido parahidroxibenzoicoInfo
- Publication number
- BR8605450A BR8605450A BR8605450A BR8605450A BR8605450A BR 8605450 A BR8605450 A BR 8605450A BR 8605450 A BR8605450 A BR 8605450A BR 8605450 A BR8605450 A BR 8605450A BR 8605450 A BR8605450 A BR 8605450A
- Authority
- BR
- Brazil
- Prior art keywords
- separation
- purification process
- parahydroxybenzoic acid
- parahydroxybenzoic
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
- C07C65/03—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups monocyclic and having all hydroxy or O-metal groups bound to the ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8516260A FR2589148B1 (fr) | 1985-10-29 | 1985-10-29 | Procede de separation et de purification de l'acide parahydroxybenzoique par precipitation a partir d'une solution aqueuse de son bisel ou monosel de potassium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR8605450A true BR8605450A (pt) | 1987-08-11 |
Family
ID=9324435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR8605450A BR8605450A (pt) | 1985-10-29 | 1986-10-29 | Processo de separacao e de purificacao do acido parahidroxibenzoico |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4814498A (pt) |
| EP (1) | EP0223723B1 (pt) |
| JP (1) | JPS62106046A (pt) |
| KR (1) | KR870003966A (pt) |
| AR (1) | AR242946A1 (pt) |
| AT (1) | ATE51220T1 (pt) |
| AU (1) | AU596126B2 (pt) |
| BR (1) | BR8605450A (pt) |
| CA (1) | CA1265531A (pt) |
| DE (1) | DE3669711D1 (pt) |
| ES (1) | ES2013721B3 (pt) |
| FR (1) | FR2589148B1 (pt) |
| GR (1) | GR3000406T3 (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100476116B1 (ko) * | 1997-06-13 | 2005-07-07 | 주식회사 삼양사 | 할로겐계 유기용매를 이용한 초고순도 벤조산의 회수방법 |
| WO2004092107A1 (ja) * | 2003-04-17 | 2004-10-28 | Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo | パラヒドロキシ安息香酸無水和物の結晶およびその製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2743295A (en) * | 1951-03-21 | 1956-04-24 | Rudolph Koepp & Co Chem Fab Ag | Production of formic acid from its salts |
| FR1061806A (fr) * | 1951-03-21 | 1954-04-15 | Koepp & Co R Chem Fab Ag | Procédé pour l'obtention d'acides carboxyliques à bas poids moléculaire à partir de leurs sels |
| FR1539528A (fr) * | 1966-10-05 | 1968-09-13 | Tenneco Chem | Perfectionnements aux procédés pour obtenir des acides carboxyliques hydroxyaromatiques à partir de leurs sels de métal alcalin |
| US3468942A (en) * | 1966-10-05 | 1969-09-23 | Tenneco Chem | Method for the recovery of hydroxy aromatic carboxylic acids |
| JPH0872147A (ja) * | 1994-09-09 | 1996-03-19 | Sekisui Chem Co Ltd | 合成樹脂管サドルクランプ装置 |
-
1985
- 1985-10-29 FR FR8516260A patent/FR2589148B1/fr not_active Expired
-
1986
- 1986-10-16 ES ES86420258T patent/ES2013721B3/es not_active Expired - Lifetime
- 1986-10-16 AT AT86420258T patent/ATE51220T1/de not_active IP Right Cessation
- 1986-10-16 DE DE8686420258T patent/DE3669711D1/de not_active Expired - Fee Related
- 1986-10-16 EP EP86420258A patent/EP0223723B1/fr not_active Expired - Lifetime
- 1986-10-21 CA CA000521024A patent/CA1265531A/fr not_active Expired - Fee Related
- 1986-10-22 JP JP61249798A patent/JPS62106046A/ja active Pending
- 1986-10-28 AR AR86305727A patent/AR242946A1/es active
- 1986-10-28 KR KR860009025A patent/KR870003966A/ko not_active Application Discontinuation
- 1986-10-29 US US06/924,427 patent/US4814498A/en not_active Expired - Fee Related
- 1986-10-29 AU AU64560/86A patent/AU596126B2/en not_active Ceased
- 1986-10-29 BR BR8605450A patent/BR8605450A/pt not_active IP Right Cessation
-
1990
- 1990-03-23 GR GR90400169T patent/GR3000406T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62106046A (ja) | 1987-05-16 |
| AR242946A1 (es) | 1993-06-30 |
| GR3000406T3 (en) | 1991-06-28 |
| FR2589148A1 (fr) | 1987-04-30 |
| AU6456086A (en) | 1987-04-30 |
| CA1265531A (fr) | 1990-02-06 |
| AU596126B2 (en) | 1990-04-26 |
| KR870003966A (ko) | 1987-05-06 |
| DE3669711D1 (de) | 1990-04-26 |
| EP0223723B1 (fr) | 1990-03-21 |
| FR2589148B1 (fr) | 1987-12-11 |
| ATE51220T1 (de) | 1990-04-15 |
| EP0223723A1 (fr) | 1987-05-27 |
| ES2013721B3 (es) | 1990-06-01 |
| US4814498A (en) | 1989-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B21A | Patent or certificate of addition expired [chapter 21.1 patent gazette] |
Free format text: PATENTE EXTINTA EM 29/10/2001 |