IT7851918A0 - PROCEDURE FOR THE PURIFICATION OF P-TOLYLIC ACID RECOVERED FROM THE OXIDATION OF P-XYLOL - Google Patents

PROCEDURE FOR THE PURIFICATION OF P-TOLYLIC ACID RECOVERED FROM THE OXIDATION OF P-XYLOL

Info

Publication number
IT7851918A0
IT7851918A0 IT7851918A IT5191878A IT7851918A0 IT 7851918 A0 IT7851918 A0 IT 7851918A0 IT 7851918 A IT7851918 A IT 7851918A IT 5191878 A IT5191878 A IT 5191878A IT 7851918 A0 IT7851918 A0 IT 7851918A0
Authority
IT
Italy
Prior art keywords
xylol
purification
oxidation
procedure
acid recovered
Prior art date
Application number
IT7851918A
Other languages
Italian (it)
Other versions
IT1157709B (en
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/en
Application granted granted Critical
Publication of IT1157709B publication Critical patent/IT1157709B/en

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
IT51918/78A 1977-11-17 1978-11-15 PROCEDURE FOR P-TOLYLIC ACID PURIFICATION RECOVERED FROM P-XYLOL OXIDATION IT1157709B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2751363A DE2751363C2 (en) 1977-11-17 1977-11-17 Process for the purification of p-toluic acid, which has been obtained by oxidizing p-xylene with atmospheric oxygen in the presence of heavy metal salt catalysts

Publications (2)

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

Family

ID=6023948

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51918/78A IT1157709B (en) 1977-11-17 1978-11-15 PROCEDURE FOR P-TOLYLIC ACID PURIFICATION RECOVERED FROM P-XYLOL OXIDATION

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07116096B2 (en) * 1986-12-04 1995-12-13 三菱瓦斯化学株式会社 Method for producing high-purity 0-toluic acid
JP6274022B2 (en) * 2014-06-11 2018-02-07 住友化学株式会社 Method for producing cycloalkanedicarboxylic acid monoester
JP6409611B2 (en) 2015-02-23 2018-10-24 東レ株式会社 Method for producing p-toluic acid

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
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
GB2008114A (en) 1979-05-31
GB2008114B (en) 1982-04-07
DE2751363A1 (en) 1979-05-23
NL7811342A (en) 1979-05-21
JPS5479244A (en) 1979-06-25
SE7811835L (en) 1979-05-18
IT1157709B (en) 1987-02-18
DE2751363C2 (en) 1985-10-17
BE872048A (en) 1979-03-16
FR2409252A1 (en) 1979-06-15

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