GB2008114B - Method of purifying crude p-toluic acid - Google Patents

Method of purifying crude p-toluic acid

Info

Publication number
GB2008114B
GB2008114B GB7844258A GB7844258A GB2008114B GB 2008114 B GB2008114 B GB 2008114B GB 7844258 A GB7844258 A GB 7844258A GB 7844258 A GB7844258 A GB 7844258A GB 2008114 B GB2008114 B GB 2008114B
Authority
GB
United Kingdom
Prior art keywords
toluic acid
purifying crude
purifying
crude
toluic
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
GB7844258A
Other versions
GB2008114A (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.)
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 GB2008114A publication Critical patent/GB2008114A/en
Application granted granted Critical
Publication of GB2008114B publication Critical patent/GB2008114B/en
Expired 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)
GB7844258A 1977-11-17 1978-11-13 Method of purifying crude p-toluic acid Expired GB2008114B (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
GB2008114A GB2008114A (en) 1979-05-31
GB2008114B true GB2008114B (en) 1982-04-07

Family

ID=6023948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7844258A Expired GB2008114B (en) 1977-11-17 1978-11-13 Method of purifying crude p-toluic acid

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
DE2751363C2 (en) 1985-10-17
GB2008114A (en) 1979-05-31
NL7811342A (en) 1979-05-21
FR2409252A1 (en) 1979-06-15
JPS5479244A (en) 1979-06-25
SE7811835L (en) 1979-05-18
IT1157709B (en) 1987-02-18
IT7851918A0 (en) 1978-11-15
BE872048A (en) 1979-03-16
DE2751363A1 (en) 1979-05-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee