JP4817496B2 - 精製テレフタル酸及びイソフタル酸を混合キシレンから製造する方法 - Google Patents

精製テレフタル酸及びイソフタル酸を混合キシレンから製造する方法 Download PDF

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JP4817496B2
JP4817496B2 JP2000552072A JP2000552072A JP4817496B2 JP 4817496 B2 JP4817496 B2 JP 4817496B2 JP 2000552072 A JP2000552072 A JP 2000552072A JP 2000552072 A JP2000552072 A JP 2000552072A JP 4817496 B2 JP4817496 B2 JP 4817496B2
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tpa
solution
ipa
solvent
purified
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Japanese (ja)
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JP2002524390A (ja
Inventor
− ミン リー、フ
ラムシン、ウィストン
ウィッチャーリイ、ランディ、ライト
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ジーティーシー テクノロジー エルピー
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Priority claimed from US09/097,930 external-priority patent/US6054610A/en
Application filed by ジーティーシー テクノロジー エルピー filed Critical ジーティーシー テクノロジー エルピー
Priority claimed from PCT/US1999/010970 external-priority patent/WO1999062857A1/en
Publication of JP2002524390A publication Critical patent/JP2002524390A/ja
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    • 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

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  • 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)
JP2000552072A 1998-05-29 1999-05-18 精製テレフタル酸及びイソフタル酸を混合キシレンから製造する方法 Expired - Fee Related JP4817496B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8714198P 1998-05-29 1998-05-29
US09/097,930 1998-06-16
US09/097,930 US6054610A (en) 1995-06-07 1998-06-16 Method and apparatus for preparing purified terephthalic acid and isophthalic acid from mixed xylenes
US60/087,141 1998-06-16
PCT/US1999/010970 WO1999062857A1 (en) 1998-05-29 1999-05-18 Method for preparing purified terephthalic acid and isophthalic acid from mixed xylenes

Publications (2)

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JP2002524390A JP2002524390A (ja) 2002-08-06
JP4817496B2 true JP4817496B2 (ja) 2011-11-16

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JP2000552072A Expired - Fee Related JP4817496B2 (ja) 1998-05-29 1999-05-18 精製テレフタル酸及びイソフタル酸を混合キシレンから製造する方法

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JP (1) JP4817496B2 (ru)
IL (1) IL139973A (ru)
RU (1) RU2214391C2 (ru)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004217586A (ja) * 2003-01-16 2004-08-05 Mitsubishi Gas Chem Co Inc 芳香族ポリカルボン酸及び該酸無水物の製造方法
US7307188B2 (en) * 2004-04-09 2007-12-11 Gtc Technology, Inc. Purification of carboxylic acids by complexation with selective solvents
WO2006091980A1 (en) * 2005-02-25 2006-08-31 Teva Pharmaceutical Industries Ltd. Process of purifying tadalafil
RU2496764C2 (ru) * 2008-03-18 2013-10-27 ДжиТиСи ТЕКНОЛОДЖИ, ЭлПи Способ (варианты) и системы получения изофталевой и терефталевой кислот
EP2634168B1 (en) * 2010-10-26 2019-12-11 Mitsubishi Gas Chemical Company, Inc. Crossflow type filtering operation method using ceramic filter
JP7354049B2 (ja) * 2015-09-18 2023-10-02 大日本印刷株式会社 積層体

Citations (3)

* 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
GB849189A (en) * 1958-03-26 1960-09-21 Basf Ag Improvements in the purification of crude terephthalic acid
WO1996040612A1 (en) * 1995-06-07 1996-12-19 Glitsch International, Inc. Method and apparatus for preparing purified terephthalic acid

Patent Citations (3)

* 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
GB849189A (en) * 1958-03-26 1960-09-21 Basf Ag Improvements in the purification of crude terephthalic acid
WO1996040612A1 (en) * 1995-06-07 1996-12-19 Glitsch International, Inc. Method and apparatus for preparing purified terephthalic acid

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Publication number Publication date
IL139973A (en) 2006-08-01
RU2214391C2 (ru) 2003-10-20
JP2002524390A (ja) 2002-08-06

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