CA1012982A - Process for the purification of carboxylic acids - Google Patents

Process for the purification of carboxylic acids

Info

Publication number
CA1012982A
CA1012982A CA186,421A CA186421A CA1012982A CA 1012982 A CA1012982 A CA 1012982A CA 186421 A CA186421 A CA 186421A CA 1012982 A CA1012982 A CA 1012982A
Authority
CA
Canada
Prior art keywords
purification
carboxylic 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.)
Expired
Application number
CA186,421A
Other versions
CA186421S (en
Inventor
Hansjorg Hey
Helmut Schaum
Hans-Jurgen Arpe
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of CA1012982A publication Critical patent/CA1012982A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00Carbon; Compounds thereof
    • C01B32/40Carbon monoxide
CA186,421A 1972-11-29 1973-11-21 Process for the purification of carboxylic acids Expired CA1012982A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2258441A DE2258441B2 (en) 1972-11-29 1972-11-29 Process for removing formic acid from carboxylic acids

Publications (1)

Publication Number Publication Date
CA1012982A true CA1012982A (en) 1977-06-28

Family

ID=5863038

Family Applications (1)

Application Number Title Priority Date Filing Date
CA186,421A Expired CA1012982A (en) 1972-11-29 1973-11-21 Process for the purification of carboxylic acids

Country Status (10)

Country Link
JP (1) JPS4982618A (en)
BE (1) BE807987A (en)
BR (1) BR7309246D0 (en)
CA (1) CA1012982A (en)
DE (1) DE2258441B2 (en)
ES (1) ES420796A1 (en)
FR (1) FR2207899B1 (en)
GB (1) GB1434062A (en)
IT (1) IT1001930B (en)
NL (1) NL7316048A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4110372A (en) * 1972-11-29 1978-08-29 Hoechst Aktiengesellschaft Process for the purification of carboxylic acids

Also Published As

Publication number Publication date
IT1001930B (en) 1976-04-30
DE2258441B2 (en) 1979-11-08
NL7316048A (en) 1974-05-31
JPS4982618A (en) 1974-08-08
ES420796A1 (en) 1976-03-16
GB1434062A (en) 1976-04-28
BE807987A (en) 1974-05-29
FR2207899B1 (en) 1977-08-12
FR2207899A1 (en) 1974-06-21
DE2258441A1 (en) 1974-06-12
BR7309246D0 (en) 1974-08-29

Similar Documents

Publication Publication Date Title
AU470043B2 (en) Purification of carboxylic acids
AU470044B2 (en) Purification of carboxylic acids
CA1010902A (en) Process for carboxylic acid anhydrides
CA1011760A (en) Process for the preparation of aromatic carboxylic acids
AU476132B2 (en) Process for the dehydration of bis-maleamic acids
CA978999A (en) Process for the production of ortho-dihydrocarbylphosphinobenzoic acids
CA997784A (en) Production of carboxylic acids
CA991656A (en) Purification process for aromatic acids
CA941092A (en) Process for the production of polyamide carboxylic acids
AU476234B2 (en) Process for the purification of 1-nitroanthraquinoline
CA969555A (en) Process for aromatic carboxylic acids
CA1012982A (en) Process for the purification of carboxylic acids
CA1002064A (en) Process for the preparation of 4-chloro-naphthalic acid anhydride
CA1002071A (en) Process for the hydrogenation of perfluoroalkanoic acids
CA979005A (en) Process for the preparation of carboxylic acids
CA993446A (en) Method for the direct acylation of aminobenzoic acids
CA971577A (en) Process for the production of dicarboxylic acids
CA987337A (en) Process for the manufacture of new carboxylic acids
CA992095A (en) Process for the isomerization of cis-isomeric hexadlenoic acids
GB1408722A (en) Process for the preparation of an -ar-alkane carboxylic acid
CA873372A (en) Process for the purification of terephthalic acids
CA899861A (en) Process for the manufacture of new o-desacetyl-7-n-acylamino-cephalosporanic acids
CA895888A (en) Process for the preparation of pyridine carboxylic acids
CA916170A (en) Purification of aromatic carboxylic acids
CA913114A (en) Process for preparing carboxylic acids