JPS5337634A - Recovering method of telephthalic acid and intermediate - Google Patents

Recovering method of telephthalic acid and intermediate

Info

Publication number
JPS5337634A
JPS5337634A JP8864476A JP8864476A JPS5337634A JP S5337634 A JPS5337634 A JP S5337634A JP 8864476 A JP8864476 A JP 8864476A JP 8864476 A JP8864476 A JP 8864476A JP S5337634 A JPS5337634 A JP S5337634A
Authority
JP
Japan
Prior art keywords
recovering method
telephthalic acid
telephthalic
acid
recovering
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
JP8864476A
Other languages
Japanese (ja)
Other versions
JPS6056698B2 (en
Inventor
Kenji Nagura
Shinichi Takeda
Takao Fujii
Shirou Yamamoto
Seiichi Yokoyama
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.)
Teijin Hercules Chemical Co Ltd
Original Assignee
Teijin Hercules Chemical Co Ltd
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 Teijin Hercules Chemical Co Ltd filed Critical Teijin Hercules Chemical Co Ltd
Priority to JP8864476A priority Critical patent/JPS6056698B2/en
Priority to DE19772733548 priority patent/DE2733548A1/en
Priority to NL7708274A priority patent/NL7708274A/en
Priority to FR7723040A priority patent/FR2359814A1/en
Priority to IT2620677A priority patent/IT1086341B/en
Publication of JPS5337634A publication Critical patent/JPS5337634A/en
Publication of JPS6056698B2 publication Critical patent/JPS6056698B2/en
Expired 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
    • C07C67/39—Preparation of carboxylic acid esters by oxidation of groups which are precursors for the acid moiety of the ester
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
JP8864476A 1976-07-27 1976-07-27 Recovery method for dimethyl terephthalate and its intermediates Expired JPS6056698B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP8864476A JPS6056698B2 (en) 1976-07-27 1976-07-27 Recovery method for dimethyl terephthalate and its intermediates
DE19772733548 DE2733548A1 (en) 1976-07-27 1977-07-25 PROCESS FOR THE IMPROVED MANUFACTURING OF DIMETHYLTEREPHTHALATE
NL7708274A NL7708274A (en) 1976-07-27 1977-07-26 PROCESS FOR PREPARING DIMETHYLTER EFTALATE.
FR7723040A FR2359814A1 (en) 1976-07-27 1977-07-27 Di:methyl terephthalate prepn. - by liquid phase oxidn. of para-xylene or derivs., esterification, distn. and residue treatment with oxygen and methanol (NL 31.1.78)
IT2620677A IT1086341B (en) 1976-07-27 1977-07-27 PROCEDURE FOR INCREASED PRODUCTION OF DIMETHYL-TEREPHTHALATE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8864476A JPS6056698B2 (en) 1976-07-27 1976-07-27 Recovery method for dimethyl terephthalate and its intermediates

Publications (2)

Publication Number Publication Date
JPS5337634A true JPS5337634A (en) 1978-04-06
JPS6056698B2 JPS6056698B2 (en) 1985-12-11

Family

ID=13948517

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8864476A Expired JPS6056698B2 (en) 1976-07-27 1976-07-27 Recovery method for dimethyl terephthalate and its intermediates

Country Status (5)

Country Link
JP (1) JPS6056698B2 (en)
DE (1) DE2733548A1 (en)
FR (1) FR2359814A1 (en)
IT (1) IT1086341B (en)
NL (1) NL7708274A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS62119396U (en) * 1986-01-23 1987-07-29
EP0953561A1 (en) * 1998-04-29 1999-11-03 ARTEVA TECHNOLOGIES S.à.r.l. Preparation of dimethylterephthalate via the air oxidation of p-tolualdehyde

Also Published As

Publication number Publication date
FR2359814A1 (en) 1978-02-24
JPS6056698B2 (en) 1985-12-11
NL7708274A (en) 1978-01-31
IT1086341B (en) 1985-05-28
DE2733548A1 (en) 1978-02-02

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