DE1618639B2 - Verfahren zur Herstellung von Dimethylterephthalat - Google Patents

Verfahren zur Herstellung von Dimethylterephthalat

Info

Publication number
DE1618639B2
DE1618639B2 DE1618639A DE1618639A DE1618639B2 DE 1618639 B2 DE1618639 B2 DE 1618639B2 DE 1618639 A DE1618639 A DE 1618639A DE 1618639 A DE1618639 A DE 1618639A DE 1618639 B2 DE1618639 B2 DE 1618639B2
Authority
DE
Germany
Prior art keywords
esterification
methanol
catalyst
terephthalic acid
acid
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
DE1618639A
Other languages
German (de)
English (en)
Other versions
DE1618639A1 (de
DE1618639C3 (forum.php
Inventor
Alvis Beryl Gainer
Laurence Earl Mcmakin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ExxonMobil Oil Corp
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of DE1618639A1 publication Critical patent/DE1618639A1/de
Publication of DE1618639B2 publication Critical patent/DE1618639B2/de
Application granted granted Critical
Publication of DE1618639C3 publication Critical patent/DE1618639C3/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters
    • C07C69/82—Terephthalic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/80—Phthalic acid esters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
DE1618639A 1966-02-07 1967-01-19 Verfahren zur Herstellung von Dimethylterephthalat Granted DE1618639B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US525420A US3377376A (en) 1966-02-07 1966-02-07 Vapor phase esterification of terephthalic acid in the presence of alkali metal impregnated catalyst

Publications (3)

Publication Number Publication Date
DE1618639A1 DE1618639A1 (de) 1971-02-25
DE1618639B2 true DE1618639B2 (de) 1973-11-22
DE1618639C3 DE1618639C3 (forum.php) 1974-06-20

Family

ID=24093184

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1618639A Granted DE1618639B2 (de) 1966-02-07 1967-01-19 Verfahren zur Herstellung von Dimethylterephthalat

Country Status (6)

Country Link
US (1) US3377376A (forum.php)
BE (1) BE693772A (forum.php)
CH (1) CH499482A (forum.php)
DE (1) DE1618639B2 (forum.php)
GB (1) GB1124615A (forum.php)
NL (1) NL150423B (forum.php)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3980441A (en) * 1972-05-20 1976-09-14 Chemische Werke Huls Aktiengesellschaft Apparatus for the production of dimethyl terephthalate by the esterification of terephthalic acid
DE2224869C3 (de) * 1972-05-20 1975-12-11 Chemische Werke Huels Ag, 4370 Marl Verfahren zur Herstellung von Dimethylterephthalat
US4015943A (en) * 1972-12-15 1977-04-05 Chemische Werke Huls Aktiengesellschaft Apparatus for the esterification of terephthalic acid in the gas phase
ES419510A1 (es) * 1972-12-15 1976-04-16 Huels Chemische Werke Ag Procedimiento para la esterificacion en la fase gaseosa de acido tereftalico.
US3935238A (en) * 1973-01-15 1976-01-27 Sun Research And Development Co. Preparation of phthalate esters
JP4233685B2 (ja) * 1999-06-08 2009-03-04 花王株式会社 エステル交換触媒

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE519321A (forum.php) * 1952-04-21

Also Published As

Publication number Publication date
CH499482A (de) 1970-11-30
BE693772A (forum.php) 1967-08-07
DE1618639A1 (de) 1971-02-25
DE1618639C3 (forum.php) 1974-06-20
NL150423B (nl) 1976-08-16
NL6701509A (forum.php) 1967-08-08
GB1124615A (en) 1968-08-21
US3377376A (en) 1968-04-09

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee