FR2459220B1 - - Google Patents

Info

Publication number
FR2459220B1
FR2459220B1 FR7915964A FR7915964A FR2459220B1 FR 2459220 B1 FR2459220 B1 FR 2459220B1 FR 7915964 A FR7915964 A FR 7915964A FR 7915964 A FR7915964 A FR 7915964A FR 2459220 B1 FR2459220 B1 FR 2459220B1
Authority
FR
France
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
FR7915964A
Other languages
French (fr)
Other versions
FR2459220A1 (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.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to FR7915964A priority Critical patent/FR2459220A1/fr
Priority to US06/147,283 priority patent/US4263452A/en
Publication of FR2459220A1 publication Critical patent/FR2459220A1/fr
Application granted granted Critical
Publication of FR2459220B1 publication Critical patent/FR2459220B1/fr
Granted 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
    • C07C51/487—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)
FR7915964A 1979-06-12 1979-06-21 Procede de purification de l'acide terephtalique Granted FR2459220A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7915964A FR2459220A1 (fr) 1979-06-21 1979-06-21 Procede de purification de l'acide terephtalique
US06/147,283 US4263452A (en) 1979-06-12 1980-05-06 Process for purifying terephthalic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7915964A FR2459220A1 (fr) 1979-06-21 1979-06-21 Procede de purification de l'acide terephtalique

Publications (2)

Publication Number Publication Date
FR2459220A1 FR2459220A1 (fr) 1981-01-09
FR2459220B1 true FR2459220B1 (OSRAM) 1983-09-16

Family

ID=9226932

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7915964A Granted FR2459220A1 (fr) 1979-06-12 1979-06-21 Procede de purification de l'acide terephtalique

Country Status (1)

Country Link
FR (1) FR2459220A1 (OSRAM)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2100033A1 (en) * 1971-01-02 1972-07-06 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Terephthalic acid purificn - by catalytic hydrogenation
FR2145026A5 (en) * 1971-07-06 1973-02-16 Inst Francais Du Petrole Pure terephthalic acid prodn - by hydrogenating ammonium terephthalate soln and acidifying

Also Published As

Publication number Publication date
FR2459220A1 (fr) 1981-01-09

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Legal Events

Date Code Title Description
ST Notification of lapse