TW225520B - - Google Patents

Info

Publication number
TW225520B
TW225520B TW082108289A TW82108289A TW225520B TW 225520 B TW225520 B TW 225520B TW 082108289 A TW082108289 A TW 082108289A TW 82108289 A TW82108289 A TW 82108289A TW 225520 B TW225520 B TW 225520B
Authority
TW
Taiwan
Application number
TW082108289A
Other languages
Chinese (zh)
Inventor
Fukui Katsuhiko
Original Assignee
Mitsubishi Chemicals Co Ltd
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 JP27457192A external-priority patent/JP3232700B2/ja
Priority claimed from JP09155293A external-priority patent/JP3232765B2/ja
Application filed by Mitsubishi Chemicals Co Ltd filed Critical Mitsubishi Chemicals Co Ltd
Application granted granted Critical
Publication of TW225520B publication Critical patent/TW225520B/zh

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
TW082108289A 1992-10-13 1993-10-07 TW225520B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP27457192A JP3232700B2 (ja) 1992-10-13 1992-10-13 高純度テレフタル酸の製造方法
JP09155293A JP3232765B2 (ja) 1993-04-19 1993-04-19 高純度テレフタル酸の製造方法

Publications (1)

Publication Number Publication Date
TW225520B true TW225520B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1994-06-21

Family

ID=26432988

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082108289A TW225520B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-13 1993-10-07

Country Status (6)

Country Link
US (1) US5420344A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100267897B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN1035763C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE4334100C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2271568B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW225520B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2003289298A1 (en) * 2002-12-09 2004-07-29 Mitsubishi Chemical Corporation Method of feeding solution of crude terephthalic acid to reactor
KR100860343B1 (ko) * 2007-03-15 2008-09-26 삼성석유화학(주) 친환경적이고 단순화된 방향족 디카르복실산의 제조방법
GB201219983D0 (en) 2012-11-06 2012-12-19 Davy Process Techn Ltd Apparatus and process
MX2017015720A (es) 2015-06-05 2018-04-24 Synvina C V Procedimiento para la preparacion de una composicion purificada de acido.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3584039A (en) * 1967-08-30 1971-06-08 Standard Oil Co Fiber-grade terephthalic acid by catalytic hydrogen treatment of dissolved impure terephthalic acid
US3639465A (en) * 1968-06-18 1972-02-01 Standard Oil Co Purification of aromatic polycarboxylic acids by catalytic reduction using prehumidified hydrogen
US4892972A (en) * 1985-10-07 1990-01-09 Amoco Corporation Purification of crude terephthalic acid
JP2504461B2 (ja) * 1987-04-24 1996-06-05 三菱化学株式会社 高品質テレフタル酸の製法

Also Published As

Publication number Publication date
CN1089936A (zh) 1994-07-27
CN1035763C (zh) 1997-09-03
US5420344A (en) 1995-05-30
GB2271568A (en) 1994-04-20
KR100267897B1 (ko) 2000-10-16
DE4334100C2 (de) 2003-02-13
GB2271568B (en) 1996-04-03
DE4334100A1 (de) 1994-04-14
GB9320992D0 (en) 1993-12-01

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