DE69410363T2 - Verfahren zur reinigung aromatischer dicarbonsäuren - Google Patents

Verfahren zur reinigung aromatischer dicarbonsäuren

Info

Publication number
DE69410363T2
DE69410363T2 DE69410363T DE69410363T DE69410363T2 DE 69410363 T2 DE69410363 T2 DE 69410363T2 DE 69410363 T DE69410363 T DE 69410363T DE 69410363 T DE69410363 T DE 69410363T DE 69410363 T2 DE69410363 T2 DE 69410363T2
Authority
DE
Germany
Prior art keywords
dicarbonic acids
purifying aromatic
aromatic dicarbonic
purifying
acids
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 - Fee Related
Application number
DE69410363T
Other languages
English (en)
Other versions
DE69410363D1 (de
Inventor
Noriyuki Hirowatari
Hiroyasu Ohno
Kenji Shimamoto
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.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Chemicals Inc
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 JP4737293A external-priority patent/JP3179231B2/ja
Priority claimed from JP19086993A external-priority patent/JPH06293696A/ja
Application filed by Mitsui Chemicals Inc filed Critical Mitsui Chemicals Inc
Application granted granted Critical
Publication of DE69410363D1 publication Critical patent/DE69410363D1/de
Publication of DE69410363T2 publication Critical patent/DE69410363T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
DE69410363T 1993-02-12 1994-02-09 Verfahren zur reinigung aromatischer dicarbonsäuren Expired - Fee Related DE69410363T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4737293A JP3179231B2 (ja) 1993-02-12 1993-02-12 ポリエステル樹脂から芳香族ジカルボン酸及びアルキレングリコールを製造する方法
JP4737193 1993-02-12
JP19086993A JPH06293696A (ja) 1993-02-12 1993-07-02 芳香族ジカルボン酸のアミン塩を経由する精製方法
PCT/JP1994/000197 WO1994018152A1 (en) 1993-02-12 1994-02-09 Method of purifying aromatic dicarboxylic acid

Publications (2)

Publication Number Publication Date
DE69410363D1 DE69410363D1 (de) 1998-06-25
DE69410363T2 true DE69410363T2 (de) 1998-10-15

Family

ID=27292954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410363T Expired - Fee Related DE69410363T2 (de) 1993-02-12 1994-02-09 Verfahren zur reinigung aromatischer dicarbonsäuren

Country Status (4)

Country Link
US (1) US5565609A (de)
EP (1) EP0636600B1 (de)
DE (1) DE69410363T2 (de)
WO (1) WO1994018152A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481033A (en) * 1994-12-22 1996-01-02 E. I. Du Pont De Nemours And Company Purification process for aromatic dicarboxylic acids
TW446698B (en) * 1996-02-05 2001-07-21 Mitsubishi Gas Chemical Co Process for the production of high-purity naphthalenedicarboxylic acid
US5859294A (en) * 1996-02-05 1999-01-12 Mitsubishi Gas Chemical Corporation, Inc. Process for the production of high-purity naphthalenedicarboxylic acid
US6133476A (en) * 1996-09-17 2000-10-17 Lin; Tsong-Dar Vincent Process for purification of aromatic polycarboxylic acids
US6291707B1 (en) * 1999-03-12 2001-09-18 Tsong-Dar Vincent Lin Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof
WO2000031014A1 (en) * 1998-11-24 2000-06-02 Lin T D Vincent Process of purifying and producing high purity aromatic polycarboxylic acids and derivatives thereof
US6392091B2 (en) * 1998-11-24 2002-05-21 Tsong-Dar Vincent Lin Process of purifying and producing high purity aromatic polycarboxylic acids
US6452047B1 (en) * 1999-05-26 2002-09-17 Mitsubishi Gas Chemical Company, Inc. Process for producing highly pure aromatic polycarboxylic acid
JP3763784B2 (ja) 1999-09-13 2006-04-05 旭化成せんい株式会社 エステル形成性モノマーの製造方法
JP3634207B2 (ja) * 1999-09-14 2005-03-30 独立行政法人科学技術振興機構 光学活性なα−アミノニトリル並びにα−アミノ酸類の製造方法
EP1157981B1 (de) * 2000-05-25 2009-09-09 Mitsubishi Gas Chemical Company, Inc. Verfahren zur Herstellung einer hochreinen aromatischen Polycarbonsäure
NL1020603C2 (nl) * 2002-05-15 2003-11-18 Tno Werkwijze voor het drogen van een product met behulp van een regeneratief adsorbens.
US7763186B2 (en) * 2002-06-21 2010-07-27 Los Alamos National Security, Llc Preparation and purification of ionic liquids and precursors
JP5994774B2 (ja) 2011-05-30 2016-09-21 三菱瓦斯化学株式会社 精製ナフタレンジカルボン酸の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664440A (en) * 1952-10-04 1953-12-29 California Research Corp Separation of isophthalic and terephthalic acids from their mixtures
US3059025A (en) * 1958-08-21 1962-10-16 Standard Oil Co Separation of high purity isophthalic acid
DE2053066A1 (en) * 1970-10-29 1972-05-04 Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen Terephthalic acid purification - from carboxybenzaldehyde and/or isophthalic acid by treatment in aq pyridine or homologues
DE2100033A1 (en) * 1971-01-02 1972-07-06 Badische Anilin- & Soda-Fabrik Ag, 6700 Ludwigshafen Terephthalic acid purificn - by catalytic hydrogenation
JPS49102636A (de) * 1973-02-10 1974-09-27
JPS5648498B2 (de) * 1974-04-15 1981-11-16
JPS5714331B2 (de) * 1974-05-08 1982-03-24
US4605762A (en) * 1982-04-23 1986-08-12 Celanese Mexicana S.A. Depolymerization of condensation polymers
US5045122A (en) * 1989-12-14 1991-09-03 Eastman Kodak Company Ester hydrolysis and depolymerization of polyester and polycarbonate polymers
DE69210790T2 (de) * 1991-12-03 1996-10-10 Mitsubishi Chem Corp Verfahren zur Herstellung von Naphthalendicarbonsäure

Also Published As

Publication number Publication date
EP0636600A1 (de) 1995-02-01
US5565609A (en) 1996-10-15
EP0636600A4 (de) 1995-07-05
DE69410363D1 (de) 1998-06-25
EP0636600B1 (de) 1998-05-20
WO1994018152A1 (en) 1994-08-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee