FR1136560A - Process for preparing pure terephthalic acid - Google Patents

Process for preparing pure terephthalic acid

Info

Publication number
FR1136560A
FR1136560A FR1136560DA FR1136560A FR 1136560 A FR1136560 A FR 1136560A FR 1136560D A FR1136560D A FR 1136560DA FR 1136560 A FR1136560 A FR 1136560A
Authority
FR
France
Prior art keywords
terephthalic acid
pure terephthalic
preparing pure
preparing
acid
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
Other languages
French (fr)
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
Farbwerke 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, Farbwerke Hoechst AG filed Critical Hoechst AG
Application granted granted Critical
Publication of FR1136560A publication Critical patent/FR1136560A/en
Expired legal-status Critical Current

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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR1136560D 1955-11-18 1955-11-18 Process for preparing pure terephthalic acid Expired FR1136560A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1136560T 1955-11-18

Publications (1)

Publication Number Publication Date
FR1136560A true FR1136560A (en) 1957-05-15

Family

ID=9640297

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1136560D Expired FR1136560A (en) 1955-11-18 1955-11-18 Process for preparing pure terephthalic acid

Country Status (1)

Country Link
FR (1) FR1136560A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089746B (en) * 1957-06-28 1960-09-29 Ici Ltd Process for purifying terephthalic acid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1089746B (en) * 1957-06-28 1960-09-29 Ici Ltd Process for purifying terephthalic acid

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