CS195261B2 - Method of preparing dimethylester of terephthalic acid - Google Patents

Method of preparing dimethylester of terephthalic acid Download PDF

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Publication number
CS195261B2
CS195261B2 CS728574A CS857472A CS195261B2 CS 195261 B2 CS195261 B2 CS 195261B2 CS 728574 A CS728574 A CS 728574A CS 857472 A CS857472 A CS 857472A CS 195261 B2 CS195261 B2 CS 195261B2
Authority
CS
Czechoslovakia
Prior art keywords
manganese
oxidation
cobalt
mixture
methyl
Prior art date
Application number
CS728574A
Other languages
Czech (cs)
English (en)
Inventor
Gerhard Hoffmann
Rudolph Cordes
Wolfgang Merkel
Original Assignee
Hoffmann Gerhart
Rudolph Cordes
Wolfgang Merkel
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 Hoffmann Gerhart, Rudolph Cordes, Wolfgang Merkel filed Critical Hoffmann Gerhart
Publication of CS195261B2 publication Critical patent/CS195261B2/cs

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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

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  • 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)
  • Catalysts (AREA)
CS728574A 1971-12-18 1972-12-13 Method of preparing dimethylester of terephthalic acid CS195261B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712163031 DE2163031B2 (de) 1971-12-18 1971-12-18 Verfahren zur herstellung von terephthalsaeuredimethylester

Publications (1)

Publication Number Publication Date
CS195261B2 true CS195261B2 (en) 1980-01-31

Family

ID=5828482

Family Applications (1)

Application Number Title Priority Date Filing Date
CS728574A CS195261B2 (en) 1971-12-18 1972-12-13 Method of preparing dimethylester of terephthalic acid

Country Status (18)

Country Link
US (1) US4346230A (de)
JP (1) JPS6012342B2 (de)
AR (1) AR192526A1 (de)
AU (1) AU472525B2 (de)
BE (1) BE791138R (de)
BR (1) BR7208541D0 (de)
CA (1) CA974540A (de)
CH (1) CH558326A (de)
CS (1) CS195261B2 (de)
DD (1) DD99985A6 (de)
DE (1) DE2163031B2 (de)
FR (1) FR2163472B2 (de)
GB (1) GB1419977A (de)
IT (1) IT1006045B (de)
NL (1) NL170409C (de)
RO (1) RO62353A7 (de)
TR (1) TR16495A (de)
YU (1) YU36914B (de)

Families Citing this family (7)

* 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
US4398037A (en) * 1981-11-09 1983-08-09 Hercofina Process for producing aromatic carboxylic acids and methyl esters thereof
DE3151383C1 (de) * 1981-12-24 1983-06-09 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Rueckgewinnung und Wiederverwendung von Kobalt- und/oder Mangankatalysatorbestandteilen
DE3203658C2 (de) * 1982-02-03 1984-09-13 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung von Kobalt- und/oder Manganoxalat
DE3204510C2 (de) * 1982-02-10 1986-10-02 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Gewinnung von Kobalt und/oder Mangan als Oxalate
DE3704720A1 (de) * 1987-02-14 1988-08-25 Huels Troisdorf Verfahren und vorrichtung zur herstellung von benzolcarbonsaeuren bzw. benzoldicarbonsaeureestern
JPH0320942U (de) * 1989-07-10 1991-02-28

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA747952A (en) 1966-12-06 Keller Rudolf Production of dialkyl esters of iso- and/or terephthalic acid
GB815198A (en) 1957-06-13 1959-06-17 Du Pont Improvements in or relating to the production of aromatic acid esters
US2245528A (en) * 1938-10-18 1941-06-10 Du Pont Catalytic oxidation of alkyl substituted aromatic compounds
US2894978A (en) * 1956-07-02 1959-07-14 Chemische Werke Witten Gmbh Process of producing esters of phthalic acids by oxidation of xylene and toluic acid ester mixtures
NL242734A (de) 1958-09-05
NL120513C (de) * 1959-05-09
US3845100A (en) * 1970-02-13 1974-10-29 Standard Oil Co Process for conversion of para-xylene to high purity dimethyl terephthalate
DE2010137C3 (de) 1970-03-04 1979-07-05 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsauredimethylester
JPS4927574B1 (de) 1970-09-08 1974-07-18

Also Published As

Publication number Publication date
TR16495A (tr) 1974-01-01
FR2163472B2 (de) 1977-07-29
NL7215724A (de) 1973-06-20
US4346230A (en) 1982-08-24
FR2163472A2 (de) 1973-07-27
GB1419977A (en) 1975-12-31
BE791138R (fr) 1973-05-09
YU249172A (en) 1982-06-18
DD99985A6 (de) 1973-09-05
JPS4867240A (de) 1973-09-13
YU36914B (en) 1984-08-31
JPS6012342B2 (ja) 1985-04-01
AR192526A1 (es) 1973-02-21
DE2163031A1 (de) 1973-06-28
CH558326A (de) 1975-01-31
AU4898672A (en) 1974-05-23
RO62353A7 (de) 1977-09-15
AU472525B2 (en) 1976-05-27
NL170409B (nl) 1982-06-01
IT1006045B (it) 1976-09-30
CA974540A (en) 1975-09-16
BR7208541D0 (pt) 1973-09-25
DE2163031B2 (de) 1976-12-30
NL170409C (nl) 1982-11-01

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