FI44386B - - Google Patents

Info

Publication number
FI44386B
FI44386B FI1921/66A FI192166A FI44386B FI 44386 B FI44386 B FI 44386B FI 1921/66 A FI1921/66 A FI 1921/66A FI 192166 A FI192166 A FI 192166A FI 44386 B FI44386 B FI 44386B
Authority
FI
Finland
Application number
FI1921/66A
Other languages
Finnish (fi)
Other versions
FI44386C (fi
Inventor
E 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 FI44386B publication Critical patent/FI44386B/fi
Application granted granted Critical
Publication of FI44386C publication Critical patent/FI44386C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • 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
    • Y02P20/582Recycling 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 Menetelmä puhtaan tereftaalihapon talteenottamiseksi FI44386C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEC0036517 1965-07-28
DEC36516A DE1259326B (de) 1965-07-28 1965-07-28 Verfahren zur Gewinnung reiner Terephthalsaeure

Publications (2)

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

Family

ID=25970100

Family Applications (2)

Application Number Title Priority Date Filing Date
FI661921A FI44386C (fi) 1965-07-28 1966-07-18 Menetelmä puhtaan tereftaalihapon talteenottamiseksi
FI661923A FI45550C (fi) 1965-07-28 1966-07-19 Menetelmä puhtaan tereftaalihapon talteenottamiseksi.

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI661923A FI45550C (fi) 1965-07-28 1966-07-19 Menetelmä puhtaan tereftaalihapon talteenottamiseksi.

Country Status (11)

Country Link
BE (1) BE684645A (xx)
CH (2) CH539013A (xx)
DE (2) DE1259326B (xx)
DK (2) DK125196B (xx)
ES (1) ES329474A1 (xx)
FI (2) FI44386C (xx)
FR (1) FR1487936A (xx)
GB (1) GB1155589A (xx)
LU (1) LU50543A1 (xx)
NL (1) NL6609738A (xx)
SE (1) SE343850B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2010137C3 (de) * 1970-03-04 1979-07-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsauredimethylester
US3883584A (en) * 1971-11-25 1975-05-13 Teijin Ltd Process for the preparation of terephthalic acid
DE2804156C2 (de) * 1977-01-31 1982-04-08 Teijin Ltd., Osaka Verfahren zur Herstellung von Terephthalsäure
ES2104512B1 (es) * 1995-09-21 1998-07-01 Interquisa Procedimiento industrial para la fabricacion de acidos carboxilicos aromaticos.

Also Published As

Publication number Publication date
FI45550C (fi) 1972-07-10
LU50543A1 (xx) 1966-04-28
BE684645A (xx) 1967-01-27
FI45550B (xx) 1972-04-04
CH466259A (de) 1968-12-15
DE1251735B (de) 1967-10-12
DE1259326B (de) 1968-01-25
NL6609738A (xx) 1967-01-30
ES329474A1 (es) 1967-05-16
FI44386C (fi) 1971-11-10
FR1487936A (fr) 1967-07-07
DK118234B (da) 1970-07-27
SE343850B (xx) 1972-03-20
GB1155589A (en) 1969-06-18
CH539013A (de) 1973-07-15
DK125196B (da) 1973-01-15

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