FR2409252A1 - Procede de purification de l'acide p-tolylique obtenu par oxydation du p-xylene - Google Patents

Procede de purification de l'acide p-tolylique obtenu par oxydation du p-xylene

Info

Publication number
FR2409252A1
FR2409252A1 FR7830247A FR7830247A FR2409252A1 FR 2409252 A1 FR2409252 A1 FR 2409252A1 FR 7830247 A FR7830247 A FR 7830247A FR 7830247 A FR7830247 A FR 7830247A FR 2409252 A1 FR2409252 A1 FR 2409252A1
Authority
FR
France
Prior art keywords
tolylic acid
xylene
oxidation
acid obtained
purification process
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.)
Withdrawn
Application number
FR7830247A
Other languages
English (en)
French (fr)
Inventor
Marcel Feld
Albrecht Bilow
Rudolf Stephan
Walter Rogler
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel 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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of FR2409252A1 publication Critical patent/FR2409252A1/fr
Withdrawn legal-status Critical Current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)
FR7830247A 1977-11-17 1978-10-24 Procede de purification de l'acide p-tolylique obtenu par oxydation du p-xylene Withdrawn FR2409252A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751363A DE2751363C2 (de) 1977-11-17 1977-11-17 Verfahren zur Reinigung von p-Toluylsäure, die durch Oxidation von p-Xylol mit Luftsauerstoff in Gegenwart von Schwermetallsalz-Katalysatoren erhalten worden ist

Publications (1)

Publication Number Publication Date
FR2409252A1 true FR2409252A1 (fr) 1979-06-15

Family

ID=6023948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830247A Withdrawn FR2409252A1 (fr) 1977-11-17 1978-10-24 Procede de purification de l'acide p-tolylique obtenu par oxydation du p-xylene

Country Status (8)

Country Link
JP (1) JPS5479244A (xx)
BE (1) BE872048A (xx)
DE (1) DE2751363C2 (xx)
FR (1) FR2409252A1 (xx)
GB (1) GB2008114B (xx)
IT (1) IT1157709B (xx)
NL (1) NL7811342A (xx)
SE (1) SE7811835L (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07116096B2 (ja) * 1986-12-04 1995-12-13 三菱瓦斯化学株式会社 高純度０−トルイル酸の製造方法
JP6274022B2 (ja) * 2014-06-11 2018-02-07 住友化学株式会社 シクロアルカンジカルボン酸モノエステルの製造方法
JP6409611B2 (ja) 2015-02-23 2018-10-24 東レ株式会社 ｐ−トルイル酸の製造方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757455A (en) * 1953-07-20 1956-09-19 Bataafsche Petroleum A process for the separation of tertiary-alkyl-substituted benzoic acids from mixtures containing said acids

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317455A (en) * 1940-06-27 1943-04-27 Du Pont Purifying benzoic acid

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757455A (en) * 1953-07-20 1956-09-19 Bataafsche Petroleum A process for the separation of tertiary-alkyl-substituted benzoic acids from mixtures containing said acids

Also Published As

Publication number Publication date
JPS5479244A (en) 1979-06-25
DE2751363A1 (de) 1979-05-23
BE872048A (fr) 1979-03-16
GB2008114B (en) 1982-04-07
DE2751363C2 (de) 1985-10-17
IT7851918A0 (it) 1978-11-15
IT1157709B (it) 1987-02-18
SE7811835L (sv) 1979-05-18
NL7811342A (nl) 1979-05-21
GB2008114A (en) 1979-05-31

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Legal Events

Date Code Title Description
RE Withdrawal of published application