DE3669711D1 - Verfahren zur abtrennung und reinigung der p-hydroxybenzoesaeure. - Google Patents

Verfahren zur abtrennung und reinigung der p-hydroxybenzoesaeure.

Info

Publication number
DE3669711D1
DE3669711D1 DE8686420258T DE3669711T DE3669711D1 DE 3669711 D1 DE3669711 D1 DE 3669711D1 DE 8686420258 T DE8686420258 T DE 8686420258T DE 3669711 T DE3669711 T DE 3669711T DE 3669711 D1 DE3669711 D1 DE 3669711D1
Authority
DE
Germany
Prior art keywords
hydroxybenzoesaeur
purifying
separating
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 - Fee Related
Application number
DE8686420258T
Other languages
English (en)
Inventor
Roger Cocco
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.)
Rhodia Chimie SAS
Original Assignee
Rhone Poulenc Chimie SA
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 Rhone Poulenc Chimie SA filed Critical Rhone Poulenc Chimie SA
Application granted granted Critical
Publication of DE3669711D1 publication Critical patent/DE3669711D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8686420258T 1985-10-29 1986-10-16 Verfahren zur abtrennung und reinigung der p-hydroxybenzoesaeure. Expired - Fee Related DE3669711D1 (de)

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
DE3669711D1 true DE3669711D1 (de) 1990-04-26

Family

ID=9324435

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686420258T Expired - Fee Related DE3669711D1 (de) 1985-10-29 1986-10-16 Verfahren zur abtrennung und reinigung der p-hydroxybenzoesaeure.

Country Status (13)

Country Link
US (1) US4814498A (de)
EP (1) EP0223723B1 (de)
JP (1) JPS62106046A (de)
KR (1) KR870003966A (de)
AR (1) AR242946A1 (de)
AT (1) ATE51220T1 (de)
AU (1) AU596126B2 (de)
BR (1) BR8605450A (de)
CA (1) CA1265531A (de)
DE (1) DE3669711D1 (de)
ES (1) ES2013721B3 (de)
FR (1) FR2589148B1 (de)
GR (1) GR3000406T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100476116B1 (ko) * 1997-06-13 2005-07-07 주식회사 삼양사 할로겐계 유기용매를 이용한 초고순도 벤조산의 회수방법
US7304182B2 (en) * 2003-04-17 2007-12-04 Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo Crystalline parahydroxybenzoic acid anhydride and process for preparing the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US2743295A (en) * 1951-03-21 1956-04-24 Rudolph Koepp & Co Chem Fab Ag Production of formic acid from its salts
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

Also Published As

Publication number Publication date
ES2013721B3 (es) 1990-06-01
AU596126B2 (en) 1990-04-26
US4814498A (en) 1989-03-21
JPS62106046A (ja) 1987-05-16
EP0223723B1 (de) 1990-03-21
GR3000406T3 (en) 1991-06-28
AR242946A1 (es) 1993-06-30
BR8605450A (pt) 1987-08-11
ATE51220T1 (de) 1990-04-15
CA1265531A (fr) 1990-02-06
FR2589148B1 (fr) 1987-12-11
FR2589148A1 (fr) 1987-04-30
AU6456086A (en) 1987-04-30
EP0223723A1 (de) 1987-05-27
KR870003966A (ko) 1987-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee