CA1105943A - Process for the preparation of terephthalic acid - Google Patents

Process for the preparation of terephthalic acid

Info

Publication number
CA1105943A
CA1105943A CA289,160A CA289160A CA1105943A CA 1105943 A CA1105943 A CA 1105943A CA 289160 A CA289160 A CA 289160A CA 1105943 A CA1105943 A CA 1105943A
Authority
CA
Canada
Prior art keywords
water
xylene
mixture
acid
toluic acid
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
CA289,160A
Other languages
English (en)
French (fr)
Inventor
Jacques D.V. Hanotier
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.)
Labofina SA
Original Assignee
Labofina SA
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
Priority claimed from GB7644459A external-priority patent/GB1542320A/en
Application filed by Labofina SA filed Critical Labofina SA
Application granted granted Critical
Publication of CA1105943A publication Critical patent/CA1105943A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/52Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
CA289,160A 1976-10-26 1977-10-20 Process for the preparation of terephthalic acid Expired CA1105943A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB44459/76 1976-10-26
GB7644459A GB1542320A (en) 1976-10-26 1976-10-26 Process for the preparation of aromatic dicarboxylic acids
US76498177A 1977-02-02 1977-02-02
US764,981 1977-02-02

Publications (1)

Publication Number Publication Date
CA1105943A true CA1105943A (en) 1981-07-28

Family

ID=26265395

Family Applications (1)

Application Number Title Priority Date Filing Date
CA289,160A Expired CA1105943A (en) 1976-10-26 1977-10-20 Process for the preparation of terephthalic acid

Country Status (18)

Country Link
JP (1) JPS5382744A (no)
AU (1) AU519680B2 (no)
BR (1) BR7707125A (no)
CA (1) CA1105943A (no)
CH (1) CH622766A5 (no)
DE (1) DE2745918C3 (no)
EG (1) EG12905A (no)
ES (1) ES463559A1 (no)
FI (1) FI773153A (no)
FR (1) FR2369239A1 (no)
HU (1) HU177337B (no)
IE (1) IE45896B1 (no)
IT (1) IT1087970B (no)
NL (1) NL177591C (no)
NO (1) NO147600C (no)
PT (1) PT67185B (no)
SE (1) SE7711869L (no)
YU (1) YU256777A (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN152155B (no) * 1978-10-02 1983-11-05 Labofina Sa
JPS55154939A (en) * 1979-05-23 1980-12-02 Teijin Ltd Preparation of benzenecarboxylic acid
US4259522A (en) * 1979-12-17 1981-03-31 Labofina S.A. Process for the production of isophtahalic acid
US4334086A (en) * 1981-03-16 1982-06-08 Labofina S.A. Production of terephthalic acid
JPS58129528A (ja) * 1982-01-27 1983-08-02 Nec Corp 音韻キ−ボ−ド装置
NL8200726A (nl) * 1982-02-24 1983-09-16 Philips Nv Inrichting voor het genereren van de auditieve informatie van een verzameling karakters.
CA2395804A1 (en) 2000-01-18 2001-07-26 Inca International S.P.A. Oxidation of alkyl aromatic compounds to aromatic acids in an aqueous medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1153356B (de) * 1960-03-28 1963-08-29 Hans J Zimmer Verfahrenstechni Verfahren zur Herstellung von Terephthalsaeure
US3883584A (en) * 1971-11-25 1975-05-13 Teijin Ltd Process for the preparation of terephthalic acid
JPS5536652B2 (no) * 1971-11-25 1980-09-22

Also Published As

Publication number Publication date
NL177591B (nl) 1985-05-17
NO147600C (no) 1983-05-11
JPS5382744A (en) 1978-07-21
AU519680B2 (en) 1981-12-17
NL177591C (nl) 1985-10-16
EG12905A (en) 1980-03-31
JPS5645900B2 (no) 1981-10-29
IE45896L (en) 1978-04-26
AU3003677A (en) 1979-05-03
ES463559A1 (es) 1978-07-01
CH622766A5 (en) 1981-04-30
DE2745918B2 (de) 1980-11-06
PT67185A (fr) 1977-11-01
PT67185B (fr) 1979-03-22
IT1087970B (it) 1985-06-04
SE7711869L (sv) 1978-04-27
FR2369239A1 (fr) 1978-05-26
NO147600B (no) 1983-01-31
DE2745918C3 (de) 1981-09-17
HU177337B (en) 1981-09-28
NL7711417A (nl) 1978-04-28
FI773153A (fi) 1978-04-27
NO773622L (no) 1978-04-27
BR7707125A (pt) 1978-07-25
YU256777A (en) 1982-06-30
IE45896B1 (en) 1982-12-29
FR2369239B1 (no) 1983-11-04
DE2745918A1 (de) 1978-04-27

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Legal Events

Date Code Title Description
MKEX Expiry