CH466259A - Process for the production of terephthalic acid - Google Patents

Process for the production of terephthalic acid

Info

Publication number
CH466259A
CH466259A CH1071766A CH1071766A CH466259A CH 466259 A CH466259 A CH 466259A CH 1071766 A CH1071766 A CH 1071766A CH 1071766 A CH1071766 A CH 1071766A CH 466259 A CH466259 A CH 466259A
Authority
CH
Switzerland
Prior art keywords
production
terephthalic acid
terephthalic
acid
Prior art date
Application number
CH1071766A
Other languages
German (de)
Inventor
Ewald Dipl Chem Katzschmann
Original Assignee
Chemische Werke Witten Gmbh
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 Chemische Werke Witten Gmbh filed Critical Chemische Werke Witten Gmbh
Publication of CH466259A publication Critical patent/CH466259A/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
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

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)
CH1071766A 1965-07-28 1966-07-25 Process for the production of terephthalic acid CH466259A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC0036517 1965-07-28
DEC36516A DE1259326B (en) 1965-07-28 1965-07-28 Process for obtaining pure terephthalic acid

Publications (1)

Publication Number Publication Date
CH466259A true CH466259A (en) 1968-12-15

Family

ID=25970100

Family Applications (2)

Application Number Title Priority Date Filing Date
CH1071866A CH539013A (en) 1965-07-28 1966-07-25 Terephthalic acid prodn by oxidising p-xylene
CH1071766A CH466259A (en) 1965-07-28 1966-07-25 Process for the production of terephthalic acid

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH1071866A CH539013A (en) 1965-07-28 1966-07-25 Terephthalic acid prodn by oxidising p-xylene

Country Status (11)

Country Link
BE (1) BE684645A (en)
CH (2) CH539013A (en)
DE (2) DE1259326B (en)
DK (2) DK118234B (en)
ES (1) ES329474A1 (en)
FI (2) FI44386C (en)
FR (1) FR1487936A (en)
GB (1) GB1155589A (en)
LU (1) LU50543A1 (en)
NL (1) NL6609738A (en)
SE (1) SE343850B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010137C3 (en) * 1970-03-04 1979-07-05 Dynamit Nobel Ag, 5210 Troisdorf Process for the preparation of dimethyl terephthalate
US3883584A (en) * 1971-11-25 1975-05-13 Teijin Ltd Process for the preparation of terephthalic acid
DE2804156C2 (en) * 1977-01-31 1982-04-08 Teijin Ltd., Osaka Process for the production of terephthalic acid
ES2104512B1 (en) * 1995-09-21 1998-07-01 Interquisa INDUSTRIAL PROCEDURE FOR THE MANUFACTURE OF AROMATIC CARBOXYL ACIDS.

Also Published As

Publication number Publication date
FI45550B (en) 1972-04-04
FI44386C (en) 1971-11-10
LU50543A1 (en) 1966-04-28
NL6609738A (en) 1967-01-30
FR1487936A (en) 1967-07-07
BE684645A (en) 1967-01-27
DK125196B (en) 1973-01-15
CH539013A (en) 1973-07-15
FI44386B (en) 1971-08-02
GB1155589A (en) 1969-06-18
DE1259326B (en) 1968-01-25
FI45550C (en) 1972-07-10
DK118234B (en) 1970-07-27
DE1251735B (en) 1967-10-12
ES329474A1 (en) 1967-05-16
SE343850B (en) 1972-03-20

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