IL139499A0 - Process for purifying isophthalic acid by crystallization - Google Patents

Process for purifying isophthalic acid by crystallization

Info

Publication number
IL139499A0
IL139499A0 IL13949999A IL13949999A IL139499A0 IL 139499 A0 IL139499 A0 IL 139499A0 IL 13949999 A IL13949999 A IL 13949999A IL 13949999 A IL13949999 A IL 13949999A IL 139499 A0 IL139499 A0 IL 139499A0
Authority
IL
Israel
Prior art keywords
crystallization
isophthalic acid
purifying
purifying isophthalic
acid
Prior art date
Application number
IL13949999A
Other languages
English (en)
Original Assignee
Hfm Int 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
Application filed by Hfm Int Inc filed Critical Hfm Int Inc
Publication of IL139499A0 publication Critical patent/IL139499A0/xx

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

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)
IL13949999A 1998-05-06 1999-04-20 Process for purifying isophthalic acid by crystallization IL139499A0 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8442698P 1998-05-06 1998-05-06
US09/229,789 US6140534A (en) 1995-06-07 1999-01-13 Method for purifying isophthalic acid prepared from metaxylene
PCT/US1999/008800 WO1999057090A1 (en) 1998-05-06 1999-04-20 Process for purifying isophthalic acid by crystallization

Publications (1)

Publication Number Publication Date
IL139499A0 true IL139499A0 (en) 2001-11-25

Family

ID=26770970

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13949999A IL139499A0 (en) 1998-05-06 1999-04-20 Process for purifying isophthalic acid by crystallization

Country Status (15)

Country Link
US (1) US6140534A (de)
EP (1) EP1075458B1 (de)
KR (1) KR100552261B1 (de)
CN (1) CN1231447C (de)
AU (1) AU3865199A (de)
BR (1) BR9910225A (de)
CA (1) CA2331805A1 (de)
DE (1) DE69908933T2 (de)
ES (1) ES2201713T3 (de)
ID (1) ID28144A (de)
IL (1) IL139499A0 (de)
RU (1) RU2208606C2 (de)
TR (1) TR200100161T2 (de)
TW (1) TW514635B (de)
WO (1) WO1999057090A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000232653A (ja) 1999-02-08 2000-08-22 Fuji Photo Film Co Ltd 撮影装置
EP1735260A2 (de) * 2004-04-09 2006-12-27 GTC Technology, Inc Reinigung von carbonsäuren mittels komplexierung mit selektiven lösungsmitteln
US20050288527A1 (en) * 2004-06-28 2005-12-29 Cook William L Method for preparing free-flowing crystalline material
KR100952829B1 (ko) 2008-11-06 2010-04-15 한국에너지기술연구원 다단 추출에 의한 이소프탈산 정제 장치 및 방법
RU2458042C2 (ru) * 2010-03-01 2012-08-10 Общество с ограниченной ответственностью "НИПИМ-Новые химические технологии" (ООО "НИПИМ-НХИМТЕХ") Способ получения и очистки изофталевой кислоты
CN102992999B (zh) * 2011-09-17 2014-08-27 中国石油化工股份有限公司 精间苯二甲酸装置氧化单元粗间苯二甲酸“过滤、洗涤”套洗方法
CN103121939B (zh) * 2011-11-18 2015-10-21 中国石油化工股份有限公司 粗间苯二甲酸加氢精制反应原料的制备方法
CN103121943B (zh) * 2011-11-18 2015-08-12 中国石油化工股份有限公司 提纯粗间苯二甲酸氧化浆料的方法
CN109369374A (zh) * 2018-12-18 2019-02-22 华东理工大学 一种间苯二甲酸的精制方法
CN109485557A (zh) * 2018-12-18 2019-03-19 华东理工大学 一种间苯二甲酸的制备工艺

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949483A (en) * 1954-07-30 1960-08-16 Chemstrand Corp Method of purifying aromatic dicarboxylic acids
US5110984A (en) * 1990-11-06 1992-05-05 Amoco Corporation Process for increasing the yield of purified isophthalic acid and reducing waste-water treatment a
US5767311A (en) * 1995-06-07 1998-06-16 Glitsch International, Inc. Method and apparatus for preparing purified terephtalic acid
JP3757995B2 (ja) * 1996-07-12 2006-03-22 三菱瓦斯化学株式会社 高純度イソフタル酸の製造方法

Also Published As

Publication number Publication date
TW514635B (en) 2002-12-21
DE69908933T2 (de) 2004-04-22
DE69908933D1 (de) 2003-07-24
ES2201713T3 (es) 2004-03-16
CA2331805A1 (en) 1999-11-11
KR100552261B1 (ko) 2006-02-20
WO1999057090A1 (en) 1999-11-11
AU3865199A (en) 1999-11-23
EP1075458B1 (de) 2003-06-18
ID28144A (id) 2001-05-10
KR20010043372A (ko) 2001-05-25
CN1231447C (zh) 2005-12-14
CN1308601A (zh) 2001-08-15
BR9910225A (pt) 2001-10-02
TR200100161T2 (tr) 2001-05-21
RU2208606C2 (ru) 2003-07-20
US6140534A (en) 2000-10-31
EP1075458A1 (de) 2001-02-14

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