FR2446276A1 - Procede et produit pour la purification des acides aromatiques et de leurs sels - Google Patents

Procede et produit pour la purification des acides aromatiques et de leurs sels

Info

Publication number
FR2446276A1
FR2446276A1 FR8000332A FR8000332A FR2446276A1 FR 2446276 A1 FR2446276 A1 FR 2446276A1 FR 8000332 A FR8000332 A FR 8000332A FR 8000332 A FR8000332 A FR 8000332A FR 2446276 A1 FR2446276 A1 FR 2446276A1
Authority
FR
France
Prior art keywords
salts
purification
product
aromatic acids
carboxylic acids
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.)
Granted
Application number
FR8000332A
Other languages
English (en)
French (fr)
Other versions
FR2446276B1 (US08080257-20111220-C00005.png
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2446276A1 publication Critical patent/FR2446276A1/fr
Application granted granted Critical
Publication of FR2446276B1 publication Critical patent/FR2446276B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
    • C07C303/42—Separation; Purification; Stabilisation; Use of additives
    • 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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR8000332A 1979-01-09 1980-01-08 Procede et produit pour la purification des acides aromatiques et de leurs sels Granted FR2446276A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH16979A CH639061A5 (de) 1979-01-09 1979-01-09 Verfahren zur reinigung von aromatischen saeuren oder deren salzen.

Publications (2)

Publication Number Publication Date
FR2446276A1 true FR2446276A1 (fr) 1980-08-08
FR2446276B1 FR2446276B1 (US08080257-20111220-C00005.png) 1982-12-03

Family

ID=4180826

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8000332A Granted FR2446276A1 (fr) 1979-01-09 1980-01-08 Procede et produit pour la purification des acides aromatiques et de leurs sels

Country Status (6)

Country Link
JP (1) JPS5594333A (US08080257-20111220-C00005.png)
CH (1) CH639061A5 (US08080257-20111220-C00005.png)
DE (1) DE3000304A1 (US08080257-20111220-C00005.png)
FR (1) FR2446276A1 (US08080257-20111220-C00005.png)
GB (1) GB2039278B (US08080257-20111220-C00005.png)
IT (1) IT1127331B (US08080257-20111220-C00005.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9000891A (nl) * 1990-04-14 1991-11-01 Stamicarbon Werkwijze voor het zuiveren van een benzoezuur.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719703A (en) * 1969-04-29 1973-03-06 Atomic Energy Commission Separation of sulfonic acids from sulfuric acid
FR2361360A1 (fr) * 1976-02-23 1978-03-10 Anic Spa Sels de bis-guanylhydrazonium, leur procede de preparation et leur utilisation pour la purification d'eaux residuaires contenant des composes organiques de caractere anionique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3719703A (en) * 1969-04-29 1973-03-06 Atomic Energy Commission Separation of sulfonic acids from sulfuric acid
FR2361360A1 (fr) * 1976-02-23 1978-03-10 Anic Spa Sels de bis-guanylhydrazonium, leur procede de preparation et leur utilisation pour la purification d'eaux residuaires contenant des composes organiques de caractere anionique
FR2366286A1 (fr) * 1976-02-23 1978-04-28 Anic Spa Sels de tris-guanylhydrazonium, leur procede de preparation et leur utilisation pour la purification des eaux residuaires contenant des composes organiques de caractere anionique

Also Published As

Publication number Publication date
CH639061A5 (de) 1983-10-31
IT1127331B (it) 1986-05-21
GB2039278A (en) 1980-08-06
FR2446276B1 (US08080257-20111220-C00005.png) 1982-12-03
IT8047535A0 (it) 1980-01-08
DE3000304A1 (de) 1980-07-17
GB2039278B (en) 1983-04-13
JPS5594333A (en) 1980-07-17

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Legal Events

Date Code Title Description
ST Notification of lapse