BE762805A - Procede de purification de l'acide terephtalique et de l'acide iso-phtalique - Google Patents

Procede de purification de l'acide terephtalique et de l'acide iso-phtalique

Info

Publication number
BE762805A
BE762805A BE762805A BE762805A BE762805A BE 762805 A BE762805 A BE 762805A BE 762805 A BE762805 A BE 762805A BE 762805 A BE762805 A BE 762805A BE 762805 A BE762805 A BE 762805A
Authority
BE
Belgium
Prior art keywords
iso
acid
purifying terephthalic
terephthalic acid
phthalic acid
Prior art date
Application number
BE762805A
Other languages
English (en)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BE762805A publication Critical patent/BE762805A/fr

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)
BE762805A 1970-02-21 1971-02-11 Procede de purification de l'acide terephtalique et de l'acide iso-phtalique BE762805A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702008129 DE2008129A1 (de) 1970-02-21 1970-02-21 Verfahren zur Reinigung von Tere- bzw. Iso-Phthalsäure

Publications (1)

Publication Number Publication Date
BE762805A true BE762805A (fr) 1971-08-11

Family

ID=5762986

Family Applications (1)

Application Number Title Priority Date Filing Date
BE762805A BE762805A (fr) 1970-02-21 1971-02-11 Procede de purification de l'acide terephtalique et de l'acide iso-phtalique

Country Status (4)

Country Link
BE (1) BE762805A (fr)
DE (1) DE2008129A1 (fr)
FR (1) FR2078824A5 (fr)
NL (1) NL7102172A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7164038B1 (en) * 2006-02-14 2007-01-16 Eastman Chemical Company Process for decolorizing aromatic dicarboxylic acids

Also Published As

Publication number Publication date
DE2008129A1 (de) 1971-09-02
NL7102172A (fr) 1971-08-24
FR2078824A5 (en) 1971-11-05

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