HUP9600154A3 - Process for the preparation of terephtalic acid and its isomers - Google Patents

Process for the preparation of terephtalic acid and its isomers

Info

Publication number
HUP9600154A3
HUP9600154A3 HU9600154A HUP9600154A HUP9600154A3 HU P9600154 A3 HUP9600154 A3 HU P9600154A3 HU 9600154 A HU9600154 A HU 9600154A HU P9600154 A HUP9600154 A HU P9600154A HU P9600154 A3 HUP9600154 A3 HU P9600154A3
Authority
HU
Hungary
Prior art keywords
isomers
preparation
terephtalic acid
terephtalic
acid
Prior art date
Application number
HU9600154A
Other languages
English (en)
Original Assignee
Huels Chemische Werke 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 DE19536814A external-priority patent/DE19536814B4/de
Application filed by Huels Chemische Werke Ag filed Critical Huels Chemische Werke Ag
Publication of HU9600154D0 publication Critical patent/HU9600154D0/hu
Publication of HUP9600154A2 publication Critical patent/HUP9600154A2/hu
Publication of HUP9600154A3 publication Critical patent/HUP9600154A3/hu

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
    • C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
HU9600154A 1995-01-24 1996-01-24 Process for the preparation of terephtalic acid and its isomers HUP9600154A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19502122 1995-01-24
DE19536814A DE19536814B4 (de) 1995-01-24 1995-10-02 Ein neues Verfahren zur Herstellung von Terephthalsäure und ihrer Isomeren

Publications (3)

Publication Number Publication Date
HU9600154D0 HU9600154D0 (en) 1996-03-28
HUP9600154A2 HUP9600154A2 (en) 1997-02-28
HUP9600154A3 true HUP9600154A3 (en) 1999-03-29

Family

ID=26011829

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9600154A HUP9600154A3 (en) 1995-01-24 1996-01-24 Process for the preparation of terephtalic acid and its isomers

Country Status (11)

Country Link
US (1) US5679848A (hu)
EP (1) EP0725054A1 (hu)
JP (1) JPH08231464A (hu)
CN (1) CN1135476A (hu)
BG (1) BG62485B1 (hu)
CA (1) CA2167781A1 (hu)
CZ (1) CZ17696A3 (hu)
HU (1) HUP9600154A3 (hu)
PL (1) PL312424A1 (hu)
SK (1) SK9196A3 (hu)
TR (1) TR199600070A2 (hu)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6472557B1 (en) * 1999-02-10 2002-10-29 Eastman Chemical Company Process for recycling polyesters
AU2001284469A1 (en) 2000-09-07 2002-03-22 Kaneka Corporation Methods for crystallization of hydroxycarboxylic acids
AU2408202A (en) 2000-11-27 2002-06-03 Teijin Ltd Dimethyl terephthalate composition and process for producing the same
JP4666594B2 (ja) * 2005-03-30 2011-04-06 月島機械株式会社 有機化合物の断熱冷却式晶析方法及び装置
SE528572C2 (sv) * 2006-02-03 2006-12-19 Perstorp Specialty Chem Ab Förfarande för framställning av monopentaerytritol med hög renhet samt monopentaerytritol framställd enligt förfarandet
MX2009004236A (es) 2006-11-07 2009-05-14 Teijin Fibers Ltd Metodo para producir mezcla de acido tereftalico-alquilenglicol.
CN101255104B (zh) * 2007-02-28 2012-01-04 中国科学院大连化学物理研究所 多元羧酸酯水解制备相应羧酸的方法及装置
AT504996B1 (de) 2007-03-02 2009-03-15 Andritz Tech & Asset Man Gmbh Verfahren und vorrichtung zur trocknung von kristallinen carbonsäuren
JP2015140342A (ja) * 2014-01-30 2015-08-03 株式会社日立製作所 精製テレフタル酸の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1130695A (en) * 1966-04-18 1968-10-16 Hercules Inc Production of terephthalic acid by hydrolysis of an alkyl terephthalate
DE2916197C2 (de) * 1979-04-21 1982-01-28 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethyltherephthalat als Zwischenprodukt
DE3011858C2 (de) * 1979-04-21 1982-11-25 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephtalsäure aus Roh-Dimethylterephthalat durch kontinuierliche Hydrolyse mit Wasser
DE3041293A1 (de) * 1979-04-21 1982-06-16 Dynamit Nobel Ag, 5210 Troisdorf Verbessertes verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt
DE2938163A1 (de) * 1979-09-21 1981-04-09 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur herstellung von terephthalsaeure aus dimethylterephthalat als zwischenprodukt
DE2942859C2 (de) * 1979-10-24 1982-02-11 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt
DE3044617C2 (de) * 1980-11-27 1985-09-26 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zur Herstellung von Terephthalsäure aus Dimethylterephthalat als Zwischenprodukt
US4578510A (en) * 1984-12-11 1986-03-25 Celanese Corporation Process for minimizing formation of low molecular weight oligomers during hydrolytic depolymerization of condensation polymers
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
DE4026733A1 (de) * 1990-08-24 1992-02-27 Huels Chemische Werke Ag Verfahren zur reinigung eines oxidationsabgases

Also Published As

Publication number Publication date
BG62485B1 (bg) 1999-12-30
US5679848A (en) 1997-10-21
CN1135476A (zh) 1996-11-13
CA2167781A1 (en) 1996-07-25
JPH08231464A (ja) 1996-09-10
PL312424A1 (en) 1996-08-05
HUP9600154A2 (en) 1997-02-28
HU9600154D0 (en) 1996-03-28
SK9196A3 (en) 1996-09-04
CZ17696A3 (en) 1996-08-14
EP0725054A1 (de) 1996-08-07
BG100301A (bg) 1996-12-31
TR199600070A2 (tr) 1996-10-21

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