ZA735425B - A process for gaining terephthalic-acid dimethyl ester - Google Patents

A process for gaining terephthalic-acid dimethyl ester

Info

Publication number
ZA735425B
ZA735425B ZA735425A ZA735425A ZA735425B ZA 735425 B ZA735425 B ZA 735425B ZA 735425 A ZA735425 A ZA 735425A ZA 735425 A ZA735425 A ZA 735425A ZA 735425 B ZA735425 B ZA 735425B
Authority
ZA
South Africa
Prior art keywords
gaining
terephthalic
dimethyl ester
acid dimethyl
acid
Prior art date
Application number
ZA735425A
Other languages
English (en)
Inventor
H Bunger
O Bleh
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
Priority claimed from DE19722244662 external-priority patent/DE2244662C3/de
Application filed by Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of ZA735425B publication Critical patent/ZA735425B/xx

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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation 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

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)
ZA735425A 1972-09-12 1973-08-09 A process for gaining terephthalic-acid dimethyl ester ZA735425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722244662 DE2244662C3 (de) 1972-09-12 Verfahren zur Gewinnung von Terephthalsäuredimethylester

Publications (1)

Publication Number Publication Date
ZA735425B true ZA735425B (en) 1974-07-31

Family

ID=5856087

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA735425A ZA735425B (en) 1972-09-12 1973-08-09 A process for gaining terephthalic-acid dimethyl ester

Country Status (18)

Country Link
US (1) US4126755A (xx)
JP (1) JPS4966644A (xx)
AR (1) AR198532A1 (xx)
AT (1) AT326112B (xx)
BE (1) BE804767A (xx)
BR (1) BR7306983D0 (xx)
CA (1) CA1022180A (xx)
CH (1) CH580559A5 (xx)
DD (1) DD104973A5 (xx)
ES (1) ES417790A1 (xx)
FR (1) FR2198928B1 (xx)
GB (1) GB1427783A (xx)
IN (1) IN140025B (xx)
IT (1) IT990110B (xx)
NL (1) NL173052C (xx)
PL (1) PL91566B1 (xx)
RO (1) RO63001A (xx)
ZA (1) ZA735425B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2923681C2 (de) * 1979-06-12 1981-11-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus dem Wittem-DMT-Prozeß
DE3045332C2 (de) * 1980-12-02 1982-11-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung und Wiederverwendung von Schwermetalloxidationskatalysator aus Rückständen im Witten-DMT-Prozeß
DE3430555A1 (de) * 1984-08-20 1986-02-27 Hoechst Ag, 6230 Frankfurt Verfahren zur abtrennung von dimethylisophthalat und dimethylorthophthalat aus ihrem gemisch mit dimethylterephthalat
US4760165A (en) * 1985-11-13 1988-07-26 Teijin Petrochemical Industries, Ltd. Recovering useful components at least containing dimethyl terephthalate from high-boiling byproducts occurring in the production of dimethyl terephthalate
US4886901A (en) * 1988-11-21 1989-12-12 Amoco Corporation Method for purifying a crude dimethyl naphthalene dicarboxylate
DE3904586A1 (de) * 1989-02-16 1990-08-23 Huels Chemische Werke Ag Verfahren zur herstellung von dmt-zwischenprodukt bestimmter reinheit sowie dessen weiterverarbeitung zu reinst-dmt und/oder mittel- oder hochreiner terephthalsaeure
IE904329A1 (en) * 1989-12-02 1991-06-05 Hoechst Ag Process for the purification of dimethyl terephthalate
US5578173A (en) * 1995-04-03 1996-11-26 Eastman Kodak Company Removal of dimethylterephthalate from a methanolysis vapor stream
DE19530970A1 (de) * 1995-08-23 1997-02-27 Huels Chemische Werke Ag Verfahren zur Aufarbeitung von Rückständen aus der Rohester-Destillation bei der Herstellung von Dimethylterephthalat (DMT)
CA2765736A1 (en) 2009-06-16 2010-12-23 John W. Frost Cyclohexene 1,4-carboxylates
WO2010148049A2 (en) * 2009-06-16 2010-12-23 Draths Corporation Preparation of trans, trans muconic acid and trans, trans muconates
US8415496B2 (en) 2009-06-16 2013-04-09 Amyris, Inc. Biobased polyesters
WO2011085311A1 (en) 2010-01-08 2011-07-14 Draths Corporation Methods for producing isomers of muconic acid and muconate salts

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773090A (en) * 1953-03-10 1956-12-04 Du Pont Process for preparing pure dimethylterephthalate from the carbonylation of aromatic halides
DE1139827B (de) * 1961-04-15 1962-11-22 Chemische Werke Witten Gesell schaft mit beschrankter Haftung, Witten Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen.
DE1142858B (de) * 1961-07-19 1963-01-31 Witten Gmbh Chem Werke Verfahren zur Gewinnung von Diphenylpolycarbonsaeuremethylestern

Also Published As

Publication number Publication date
DD104973A5 (xx) 1974-04-05
FR2198928A1 (xx) 1974-04-05
FR2198928B1 (xx) 1977-02-25
DE2244662A1 (de) 1974-04-04
CH580559A5 (xx) 1976-10-15
CA1022180A (en) 1977-12-06
AR198532A1 (es) 1974-06-28
GB1427783A (en) 1976-03-10
AT326112B (de) 1975-11-25
DE2244662B2 (de) 1976-06-10
IT990110B (it) 1975-06-20
RO63001A (fr) 1978-05-15
IN140025B (xx) 1976-09-04
NL173052B (nl) 1983-07-01
PL91566B1 (xx) 1977-03-31
US4126755A (en) 1978-11-21
ES417790A1 (es) 1976-02-16
BR7306983D0 (pt) 1974-07-18
BE804767A (fr) 1974-01-02
NL173052C (nl) 1983-12-01
JPS4966644A (xx) 1974-06-27
NL7312572A (xx) 1974-03-14
ATA780973A (de) 1975-02-15

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