AT288360B - Process for the purification of aromatic di- and polycarboxylic acids - Google Patents

Process for the purification of aromatic di- and polycarboxylic acids

Info

Publication number
AT288360B
AT288360B AT466566A AT466566A AT288360B AT 288360 B AT288360 B AT 288360B AT 466566 A AT466566 A AT 466566A AT 466566 A AT466566 A AT 466566A AT 288360 B AT288360 B AT 288360B
Authority
AT
Austria
Prior art keywords
purification
aromatic
polycarboxylic acids
polycarboxylic
acids
Prior art date
Application number
AT466566A
Other languages
German (de)
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Application granted granted Critical
Publication of AT288360B publication Critical patent/AT288360B/en

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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT466566A 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids AT288360B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45621465A 1965-05-17 1965-05-17

Publications (1)

Publication Number Publication Date
AT288360B true AT288360B (en) 1971-03-10

Family

ID=23811917

Family Applications (1)

Application Number Title Priority Date Filing Date
AT466566A AT288360B (en) 1965-05-17 1966-05-17 Process for the purification of aromatic di- and polycarboxylic acids

Country Status (8)

Country Link
AT (1) AT288360B (en)
BE (1) BE681178A (en)
CH (1) CH448048A (en)
DE (1) DE1593539B2 (en)
ES (1) ES326851A1 (en)
GB (1) GB1152577A (en)
NL (1) NL6606728A (en)
SE (1) SE344741B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58126834A (en) * 1982-01-23 1983-07-28 Mitsubishi Gas Chem Co Inc Crystallization of trimellitic acid
US4626598A (en) * 1985-06-17 1986-12-02 Amoco Corporation Purification of terephthalic acid
US20030120109A1 (en) * 2001-12-20 2003-06-26 Rosen Bruce I. Purification of a crude acid mixture
US7074954B2 (en) 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
BR0316462A (en) 2002-12-09 2005-10-11 Eastman Chem Co Processes for reducing a purified carboxylic acid suspension, for purifying a staged oxidation product, for producing a purified carboxylic acid product, and for purified carboxylic acid suspension
US7132566B2 (en) 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
US7546747B2 (en) 2004-01-15 2009-06-16 Eastman Chemical Company Process for production of a dried carboxylic acid cake suitable for use in polyester production
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material

Also Published As

Publication number Publication date
BE681178A (en) 1966-10-31
SE344741B (en) 1972-05-02
DE1593539A1 (en) 1970-12-10
NL6606728A (en) 1966-11-18
DE1593539B2 (en) 1977-03-10
GB1152577A (en) 1969-05-21
CH448048A (en) 1967-12-15
ES326851A1 (en) 1967-07-01

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Legal Events

Date Code Title Description
ELA Expired due to lapse of time