DE69413946D1 - Verfahren zur Herstellung von hochreiner 2,6-Naphthalindicarbonsäure - Google Patents

Verfahren zur Herstellung von hochreiner 2,6-Naphthalindicarbonsäure

Info

Publication number
DE69413946D1
DE69413946D1 DE69413946T DE69413946T DE69413946D1 DE 69413946 D1 DE69413946 D1 DE 69413946D1 DE 69413946 T DE69413946 T DE 69413946T DE 69413946 T DE69413946 T DE 69413946T DE 69413946 D1 DE69413946 D1 DE 69413946D1
Authority
DE
Germany
Prior art keywords
purity
production
naphthalenedicarboxylic acid
naphthalenedicarboxylic
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.)
Expired - Fee Related
Application number
DE69413946T
Other languages
English (en)
Other versions
DE69413946T2 (de
Inventor
Yoshio Fukui
Tatsuto Yoshioka
Chikara Sugimoto
Manabu Okuyama
Norioki Mine
Masahiko Yamagishi
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical 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 Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Publication of DE69413946D1 publication Critical patent/DE69413946D1/de
Application granted granted Critical
Publication of DE69413946T2 publication Critical patent/DE69413946T2/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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69413946T 1994-03-15 1994-12-30 Verfahren zur Herstellung von hochreiner 2,6-Naphthalindicarbonsäure Expired - Fee Related DE69413946T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4402494 1994-03-15

Publications (2)

Publication Number Publication Date
DE69413946D1 true DE69413946D1 (de) 1998-11-19
DE69413946T2 DE69413946T2 (de) 1999-04-01

Family

ID=12680096

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69413946T Expired - Fee Related DE69413946T2 (de) 1994-03-15 1994-12-30 Verfahren zur Herstellung von hochreiner 2,6-Naphthalindicarbonsäure

Country Status (3)

Country Link
US (1) US5449820A (de)
EP (1) EP0672644B1 (de)
DE (1) DE69413946T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6352644B1 (en) * 1996-09-25 2002-03-05 Energy & Environmental Research Center Foundation Method of manipulating the chemical properties of water to improve the effectiveness of a desired process
US6001256A (en) * 1996-09-25 1999-12-14 Energy & Environmental Research Center Method of manipulating the chemical properties of water to improve the effectiveness of a desired chemical process
US5746707A (en) * 1996-09-30 1998-05-05 Eck; Donald R. Carpel tunnel syndrome external brace
US6358227B1 (en) 1997-09-10 2002-03-19 Scimed Life Systems, Inc. Dilatation catheter balloon made from pen based homopolymer or random copolymer
KR20020025241A (ko) * 1999-08-30 2002-04-03 지스트라텐 알베르터스 빌헬머스 요안느 2,6-ｎｄａ 제조용 종합 방법에서의 칼륨 감소 방법
US6649773B2 (en) 2002-03-22 2003-11-18 General Electric Company Method for the manufacture of halophthalic acids and anhydrides
US6657067B2 (en) 2002-03-22 2003-12-02 General Electric Company Method for the manufacture of chlorophthalic anhydride
US6657068B2 (en) 2002-03-22 2003-12-02 General Electric Company Liquid phase oxidation of halogenated ortho-xylenes
US6670487B1 (en) 2002-06-18 2003-12-30 General Electric Company Method for removing impurities from oxidation products
KR100934163B1 (ko) * 2007-10-01 2009-12-29 주식회사 효성 결정화 공정을 이용한 고순도 나프탈렌디카르복실산의분리정제 방법 및 장치
CN107840791B (zh) * 2016-09-19 2021-08-03 中国石油化工股份有限公司 高纯2，6-萘二甲酸的生产方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1104703A (fr) * 1953-07-17 1955-11-23 Ici Ltd Purification de l'acide téréphtalique
GB1152575A (en) * 1965-05-17 1969-05-21 Standard Oil Co Purification of Aromatic Polycarboxylic Acids.
DE2340566C2 (de) * 1973-08-10 1985-11-07 Peter, Siegfried, Prof.Dr., 8520 Erlangen Verfahren zur Trennung von Komponenten von Stoffgemischen mit niedrigem Dampfdruck mit Hilfe eines komprimierten Gases unter überkritischen Bedingungen und einer weiteren, den Trenneffekt beeinflussenden Substanz
DE2910973A1 (de) * 1979-03-21 1980-10-09 Krupp Koppers Gmbh Verfahren zur gewinnung von reinen dicarbonsaeuren, deren anhydriden und/oder estern
US4550198A (en) * 1982-11-04 1985-10-29 Georgia Tech Research Institute Purification of terephthalic acid by supercritical fluid extraction
US4514574A (en) * 1984-01-09 1985-04-30 The Dow Chemical Company Process for separating isomeric mixtures
US4964995A (en) * 1989-06-16 1990-10-23 Midwest Research Institute Supercritical separation process for complex organic mixtures

Also Published As

Publication number Publication date
EP0672644B1 (de) 1998-10-14
EP0672644A1 (de) 1995-09-20
US5449820A (en) 1995-09-12
DE69413946T2 (de) 1999-04-01

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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