JPS59176271A - ナフタリンの空気酸化によつて製造した無水フタル酸からナフトキノンを除く方法 - Google Patents

ナフタリンの空気酸化によつて製造した無水フタル酸からナフトキノンを除く方法

Info

Publication number
JPS59176271A
JPS59176271A JP59048275A JP4827584A JPS59176271A JP S59176271 A JPS59176271 A JP S59176271A JP 59048275 A JP59048275 A JP 59048275A JP 4827584 A JP4827584 A JP 4827584A JP S59176271 A JPS59176271 A JP S59176271A
Authority
JP
Japan
Prior art keywords
phthalic anhydride
naphthoquinone
naphthalene
crude
content
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.)
Granted
Application number
JP59048275A
Other languages
English (en)
Japanese (ja)
Other versions
JPH058194B2 (enrdf_load_stackoverflow
Inventor
フリツツ・グ−デ
ヘルベルト・ハフエルコルン
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.)
Huels AG
Original Assignee
Chemische Werke Huels AG
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 Chemische Werke Huels AG filed Critical Chemische Werke Huels AG
Publication of JPS59176271A publication Critical patent/JPS59176271A/ja
Publication of JPH058194B2 publication Critical patent/JPH058194B2/ja
Granted 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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP59048275A 1983-03-16 1984-03-15 ナフタリンの空気酸化によつて製造した無水フタル酸からナフトキノンを除く方法 Granted JPS59176271A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE3309310A DE3309310A1 (de) 1983-03-16 1983-03-16 Verfahren zur entfernung von naphthochinon aus durch luftoxidation von naphthalin hergestelltem phthalsaeureanhydrid
DE3309310.5 1983-03-16
DE3329026.1 1983-08-11

Publications (2)

Publication Number Publication Date
JPS59176271A true JPS59176271A (ja) 1984-10-05
JPH058194B2 JPH058194B2 (enrdf_load_stackoverflow) 1993-02-01

Family

ID=6193567

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59048275A Granted JPS59176271A (ja) 1983-03-16 1984-03-15 ナフタリンの空気酸化によつて製造した無水フタル酸からナフトキノンを除く方法

Country Status (3)

Country Link
JP (1) JPS59176271A (enrdf_load_stackoverflow)
DE (1) DE3309310A1 (enrdf_load_stackoverflow)
ZA (1) ZA841915B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003507447A (ja) * 1999-08-20 2003-02-25 ビーエーエスエフ アクチェンゲゼルシャフト 規格に合った無水フタル酸を製造する方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003507447A (ja) * 1999-08-20 2003-02-25 ビーエーエスエフ アクチェンゲゼルシャフト 規格に合った無水フタル酸を製造する方法
JP4791666B2 (ja) * 1999-08-20 2011-10-12 ビーエーエスエフ ソシエタス・ヨーロピア 規格に合った無水フタル酸を製造する方法

Also Published As

Publication number Publication date
ZA841915B (en) 1984-11-28
JPH058194B2 (enrdf_load_stackoverflow) 1993-02-01
DE3309310A1 (de) 1984-09-20

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