IT1157709B - Procedimento per la purificazione di acido p-tolilico recuperato dalla ossidazione di p-xilolo - Google Patents

Procedimento per la purificazione di acido p-tolilico recuperato dalla ossidazione di p-xilolo

Info

Publication number
IT1157709B
IT1157709B IT51918/78A IT5191878A IT1157709B IT 1157709 B IT1157709 B IT 1157709B IT 51918/78 A IT51918/78 A IT 51918/78A IT 5191878 A IT5191878 A IT 5191878A IT 1157709 B IT1157709 B IT 1157709B
Authority
IT
Italy
Prior art keywords
xylol
oxidation
procedure
acid purification
tolylic acid
Prior art date
Application number
IT51918/78A
Other languages
English (en)
Other versions
IT7851918A0 (it
Inventor
Marcel Feld
Albrecht Bilow
Rudolf Stephan
Walter Rogler
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 IT7851918A0 publication Critical patent/IT7851918A0/it
Application granted granted Critical
Publication of IT1157709B publication Critical patent/IT1157709B/it

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)
IT51918/78A 1977-11-17 1978-11-15 Procedimento per la purificazione di acido p-tolilico recuperato dalla ossidazione di p-xilolo IT1157709B (it)

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 (2)

Publication Number Publication Date
IT7851918A0 IT7851918A0 (it) 1978-11-15
IT1157709B true IT1157709B (it) 1987-02-18

Family

ID=6023948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51918/78A IT1157709B (it) 1977-11-17 1978-11-15 Procedimento per la purificazione di acido p-tolilico recuperato dalla ossidazione di p-xilolo

Country Status (8)

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

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

Family Cites Families (2)

* 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
DE1011411B (de) * 1953-07-20 1957-07-04 Bataafsche Petroleum Verfahren zur Gewinnung reiner tert. Butylbenzoesaeuren

Also Published As

Publication number Publication date
NL7811342A (nl) 1979-05-21
IT7851918A0 (it) 1978-11-15
BE872048A (fr) 1979-03-16
SE7811835L (sv) 1979-05-18
GB2008114B (en) 1982-04-07
DE2751363C2 (de) 1985-10-17
DE2751363A1 (de) 1979-05-23
JPS5479244A (en) 1979-06-25
FR2409252A1 (fr) 1979-06-15
GB2008114A (en) 1979-05-31

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