FI44386C - Method for recovering pure terephthalic acid - Google Patents

Method for recovering pure terephthalic acid

Info

Publication number
FI44386C
FI44386C FI661921A FI192166A FI44386C FI 44386 C FI44386 C FI 44386C FI 661921 A FI661921 A FI 661921A FI 192166 A FI192166 A FI 192166A FI 44386 C FI44386 C FI 44386C
Authority
FI
Finland
Prior art keywords
terephthalic acid
pure terephthalic
recovering pure
recovering
acid
Prior art date
Application number
FI661921A
Other languages
Finnish (fi)
Other versions
FI44386B (en
Inventor
Katzschmann Ewald
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 FI44386B publication Critical patent/FI44386B/fi
Application granted granted Critical
Publication of FI44386C publication Critical patent/FI44386C/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)
FI661921A 1965-07-28 1966-07-18 Method for recovering pure terephthalic acid FI44386C (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
FI44386B FI44386B (en) 1971-08-02
FI44386C true FI44386C (en) 1971-11-10

Family

ID=25970100

Family Applications (2)

Application Number Title Priority Date Filing Date
FI661921A FI44386C (en) 1965-07-28 1966-07-18 Method for recovering pure terephthalic acid
FI661923A FI45550C (en) 1965-07-28 1966-07-19 Process for recovering pure terephthalic acid.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI661923A FI45550C (en) 1965-07-28 1966-07-19 Process for recovering pure terephthalic acid.

Country Status (11)

Country Link
BE (1) BE684645A (en)
CH (2) CH466259A (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
DE1259326B (en) 1968-01-25
FI45550B (en) 1972-04-04
DE1251735B (en) 1967-10-12
GB1155589A (en) 1969-06-18
BE684645A (en) 1967-01-27
FI44386B (en) 1971-08-02
CH466259A (en) 1968-12-15
DK118234B (en) 1970-07-27
NL6609738A (en) 1967-01-30
CH539013A (en) 1973-07-15
ES329474A1 (en) 1967-05-16
FR1487936A (en) 1967-07-07
LU50543A1 (en) 1966-04-28
SE343850B (en) 1972-03-20
DK125196B (en) 1973-01-15
FI45550C (en) 1972-07-10

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