CH448048A - Process for the purification of aromatic polycarboxylic acids - Google Patents

Process for the purification of aromatic polycarboxylic acids

Info

Publication number
CH448048A
CH448048A CH712866A CH712866A CH448048A CH 448048 A CH448048 A CH 448048A CH 712866 A CH712866 A CH 712866A CH 712866 A CH712866 A CH 712866A CH 448048 A CH448048 A CH 448048A
Authority
CH
Switzerland
Prior art keywords
purification
polycarboxylic acids
aromatic polycarboxylic
aromatic
acids
Prior art date
Application number
CH712866A
Other languages
French (fr)
Inventor
Peter Olsen George
John Zimmerschied Wilford
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
Publication of CH448048A publication Critical patent/CH448048A/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)
CH712866A 1965-05-17 1966-05-17 Process for the purification of aromatic polycarboxylic acids CH448048A (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
CH448048A true CH448048A (en) 1967-12-15

Family

ID=23811917

Family Applications (1)

Application Number Title Priority Date Filing Date
CH712866A CH448048A (en) 1965-05-17 1966-05-17 Process for the purification of aromatic 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
US7132566B2 (en) 2003-09-22 2006-11-07 Eastman Chemical Company Process for the purification of a crude carboxylic acid slurry
RU2005121568A (en) 2002-12-09 2006-01-20 Истман Кемикал Компани (US) METHOD FOR OXIDATIVE CLEANING OF TERPHTHALIC ACID
US7074954B2 (en) 2002-12-09 2006-07-11 Eastman Chemical Company Process for the oxidative purification of terephthalic acid
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
US8614350B2 (en) 2008-01-15 2013-12-24 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material
US8455680B2 (en) 2008-01-15 2013-06-04 Eastman Chemical Company Carboxylic acid production process employing solvent from esterification of lignocellulosic material

Also Published As

Publication number Publication date
DE1593539B2 (en) 1977-03-10
AT288360B (en) 1971-03-10
GB1152577A (en) 1969-05-21
BE681178A (en) 1966-10-31
ES326851A1 (en) 1967-07-01
NL6606728A (en) 1966-11-18
DE1593539A1 (en) 1970-12-10
SE344741B (en) 1972-05-02

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