JPS6119617B2 - - Google Patents

Info

Publication number
JPS6119617B2
JPS6119617B2 JP7377976A JP7377976A JPS6119617B2 JP S6119617 B2 JPS6119617 B2 JP S6119617B2 JP 7377976 A JP7377976 A JP 7377976A JP 7377976 A JP7377976 A JP 7377976A JP S6119617 B2 JPS6119617 B2 JP S6119617B2
Authority
JP
Japan
Prior art keywords
oxidation
dmt
distillation residue
distillation
reaction mixture
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.)
Expired
Application number
JP7377976A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5337632A (en
Inventor
Takao Fujii
Yoshifumi Takeda
Hiroshi Namie
Junichi Tanaka
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 JP7377976A priority Critical patent/JPS5337632A/ja
Publication of JPS5337632A publication Critical patent/JPS5337632A/ja
Publication of JPS6119617B2 publication Critical patent/JPS6119617B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP7377976A 1976-06-24 1976-06-24 Production of telephthalic acid dimethyl Granted JPS5337632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7377976A JPS5337632A (en) 1976-06-24 1976-06-24 Production of telephthalic acid dimethyl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7377976A JPS5337632A (en) 1976-06-24 1976-06-24 Production of telephthalic acid dimethyl

Publications (2)

Publication Number Publication Date
JPS5337632A JPS5337632A (en) 1978-04-06
JPS6119617B2 true JPS6119617B2 (fr) 1986-05-17

Family

ID=13528019

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7377976A Granted JPS5337632A (en) 1976-06-24 1976-06-24 Production of telephthalic acid dimethyl

Country Status (1)

Country Link
JP (1) JPS5337632A (fr)

Also Published As

Publication number Publication date
JPS5337632A (en) 1978-04-06

Similar Documents

Publication Publication Date Title
EP0021747B1 (fr) Procédé pour la préparation de l'acide téréphtahlique
TWI382868B (zh) 蒸餾方法
CA2145307A1 (fr) Methode de preparation d'acide adipique et d'autres acides aliphatiques dibasiques
US4096340A (en) Process for the preparation of dimethyl terephthalate
KR20000062667A (ko) (메트)아크릴산 제조방법
JP2939346B2 (ja) トリメリト酸無水物の製造法
JPS6119617B2 (fr)
JP3826435B2 (ja) アクリル酸又はメタクリル酸の精製法
JP2010163383A (ja) アクリル酸の精製方法
EP0953561A1 (fr) Préparation du diméthyle de téréphthalate par oxydation de p-toluène aldéhyde en présence d'air
US4398037A (en) Process for producing aromatic carboxylic acids and methyl esters thereof
JPS6353175B2 (fr)
EP0018433B1 (fr) Procédé de préparation d'acides carboxyliques aromatiques et de leurs esters méthyliques
JPS6123781B2 (fr)
JPS6056698B2 (ja) テレフタル酸ジメチルおよびその中間体の回収法
JP4104228B2 (ja) テレフタル酸ジメチルとイソフタル酸ジメチルとの混合物の製造方法
CN110114330B (zh) 从粗丙烯酸中分离甲醛的方法
KR20060042237A (ko) 1,3-나프탈렌디카르복실산 제조방법
US3910986A (en) Process for oxidizing beta-acyloxyethyl-toluates
EP0443856B1 (fr) Préparation de l'acide isopropylidène bis-phtalique et du bisanhydride de l'acide isopropylidène bis-phtalique
JPS644505B2 (fr)
JPS6125016B2 (fr)
JPH0154340B2 (fr)
JPS5941978B2 (ja) テレフタル酸の回収法
JPS6125017B2 (fr)