FR1451797A - Procédé de purification de l'acide téréphtalique et acide téréphtalique ainsi obtenu - Google Patents

Procédé de purification de l'acide téréphtalique et acide téréphtalique ainsi obtenu

Info

Publication number
FR1451797A
FR1451797A FR36410A FR36410A FR1451797A FR 1451797 A FR1451797 A FR 1451797A FR 36410 A FR36410 A FR 36410A FR 36410 A FR36410 A FR 36410A FR 1451797 A FR1451797 A FR 1451797A
Authority
FR
France
Prior art keywords
terephthalic acid
purification
terephthalic
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
FR36410A
Other languages
English (en)
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.)
Allied Corp
Original Assignee
Allied Chemical Corp
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 Allied Chemical Corp filed Critical Allied Chemical Corp
Application granted granted Critical
Publication of FR1451797A publication Critical patent/FR1451797A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • C08G63/183—Terephthalic acids
    • 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)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR36410A 1964-10-29 1965-10-27 Procédé de purification de l'acide téréphtalique et acide téréphtalique ainsi obtenu Expired FR1451797A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40751864A 1964-10-29 1964-10-29

Publications (1)

Publication Number Publication Date
FR1451797A true FR1451797A (fr) 1966-01-07

Family

ID=23612409

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36410A Expired FR1451797A (fr) 1964-10-29 1965-10-27 Procédé de purification de l'acide téréphtalique et acide téréphtalique ainsi obtenu

Country Status (7)

Country Link
BE (1) BE671513A (fr)
CH (1) CH456567A (fr)
DE (1) DE1292139B (fr)
FR (1) FR1451797A (fr)
GB (1) GB1069856A (fr)
IL (1) IL24531A (fr)
NL (1) NL6513937A (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE971483C (de) * 1953-10-10 1959-02-05 Hoechst Ag Verfahren zur Reinigung von p-toluylsaeurehaltiger Terephthalsaeure
DE1099521B (de) * 1956-04-11 1961-02-16 Olin Mathieson Verfahren zur Abtrennung von Iso- und Terephthalsaeure aus einem isomere Phthalsaeuren enthaltenden Gemisch
DE1092899B (de) * 1956-08-22 1960-11-17 Union Rheinische Braunkohlen Verfahren zur Reinigung von Terephthalsaeure sowie deren monomeren und polymeren Estern
DE1089746B (de) * 1957-06-28 1960-09-29 Ici Ltd Verfahren zur Reinigung von Terephthalsaeure
DE1061771B (de) * 1958-03-26 1959-07-23 Basf Ag Verfahren zur Reinigung von roher Terephthalsaeure
US3080421A (en) * 1958-11-18 1963-03-05 Purification of temephthalic agio
DE1112059B (de) * 1960-01-30 1961-08-03 Basf Ag Verfahren zur Reinigung von roher Terephthalsaeure
DE1135885B (de) * 1960-01-30 1962-09-06 Basf Ag Verfahren zur Reinigung von roher Terephthalsaeure
DE1136999B (de) * 1961-06-10 1962-09-27 Basf Ag Verfahren zur Gewinnung von reiner Terephthalsaeure

Also Published As

Publication number Publication date
CH456567A (de) 1968-07-31
BE671513A (fr) 1966-02-14
NL6513937A (fr) 1966-05-02
IL24531A (en) 1969-07-30
GB1069856A (en) 1967-05-24
DE1292139B (de) 1969-04-10

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