DE69010165T2 - Verfahren zur Reinigung von 3,4,5,6-Tetrahydrophthalsäureanhydrid. - Google Patents

Verfahren zur Reinigung von 3,4,5,6-Tetrahydrophthalsäureanhydrid.

Info

Publication number
DE69010165T2
DE69010165T2 DE69010165T DE69010165T DE69010165T2 DE 69010165 T2 DE69010165 T2 DE 69010165T2 DE 69010165 T DE69010165 T DE 69010165T DE 69010165 T DE69010165 T DE 69010165T DE 69010165 T2 DE69010165 T2 DE 69010165T2
Authority
DE
Germany
Prior art keywords
purification
tetrahydrophthalic anhydride
tetrahydrophthalic
anhydride
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
DE69010165T
Other languages
English (en)
Other versions
DE69010165D1 (de
Inventor
Shoji Tani
Kenji Nishio
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.)
New Japan Chemical Co Ltd
Original Assignee
New Japan Chemical 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
Application filed by New Japan Chemical Co Ltd filed Critical New Japan Chemical Co Ltd
Application granted granted Critical
Publication of DE69010165D1 publication Critical patent/DE69010165D1/de
Publication of DE69010165T2 publication Critical patent/DE69010165T2/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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/083—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid anhydrides
    • 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
    • C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Furan Compounds (AREA)
  • Indole Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
DE69010165T 1989-12-15 1990-12-14 Verfahren zur Reinigung von 3,4,5,6-Tetrahydrophthalsäureanhydrid. Expired - Fee Related DE69010165T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1326698A JP2533391B2 (ja) 1989-12-15 1989-12-15 ３，４，５，６―テトラヒドロ無水フタル酸の精製方法

Publications (2)

Publication Number Publication Date
DE69010165D1 DE69010165D1 (de) 1994-07-28
DE69010165T2 true DE69010165T2 (de) 1994-10-06

Family

ID=18190671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69010165T Expired - Fee Related DE69010165T2 (de) 1989-12-15 1990-12-14 Verfahren zur Reinigung von 3,4,5,6-Tetrahydrophthalsäureanhydrid.

Country Status (5)

Country Link
US (1) US5155231A (de)
EP (1) EP0432797B1 (de)
JP (1) JP2533391B2 (de)
CH (1) CH680294A5 (de)
DE (1) DE69010165T2 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10002877A1 (de) * 2000-01-24 2001-10-18 Bayer Ag Polycarbonsäuren, Verfahren zu deren Herstellung und deren Verwendung zur Behandlung von Cellulosefasern oder daraus hergestellten Textil- oder Papiermaterialien

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5013790A (de) * 1973-06-08 1975-02-13
JPS5854144B2 (ja) * 1977-10-29 1983-12-02 新日本理化株式会社 ３，４，５，６−テトラヒドロ無水フタル酸の製造方法
DE2948414C2 (de) * 1979-12-01 1985-10-17 New Japan Chemical Co. Ltd., Kyoto Verfahren zur Herstellung von 3,4,5,6-Tetrahydrophthalsäureanhydriden und deren Derivate

Also Published As

Publication number Publication date
EP0432797A2 (de) 1991-06-19
CH680294A5 (de) 1992-07-31
JPH03188073A (ja) 1991-08-16
EP0432797A3 (en) 1992-03-11
US5155231A (en) 1992-10-13
JP2533391B2 (ja) 1996-09-11
EP0432797B1 (de) 1994-06-22
DE69010165D1 (de) 1994-07-28

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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