CA1137502A - Process for purifying naphthoquinone - Google Patents

Process for purifying naphthoquinone

Info

Publication number
CA1137502A
CA1137502A CA000378046A CA378046A CA1137502A CA 1137502 A CA1137502 A CA 1137502A CA 000378046 A CA000378046 A CA 000378046A CA 378046 A CA378046 A CA 378046A CA 1137502 A CA1137502 A CA 1137502A
Authority
CA
Canada
Prior art keywords
naphthoquinone
solution
cooling
process according
crude
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
Application number
CA000378046A
Other languages
English (en)
French (fr)
Inventor
Masaaki Tanabe
Katsumi Matsuzaki
Masao Narita
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Application granted granted Critical
Publication of CA1137502A publication Critical patent/CA1137502A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C46/00Preparation of quinones
    • C07C46/10Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000378046A 1980-05-23 1981-05-21 Process for purifying naphthoquinone Expired CA1137502A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP67882/1980 1980-05-23
JP6788280A JPS6029692B2 (ja) 1980-05-23 1980-05-23 粗製ナフトキノンの精製法

Publications (1)

Publication Number Publication Date
CA1137502A true CA1137502A (en) 1982-12-14

Family

ID=13357706

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000378046A Expired CA1137502A (en) 1980-05-23 1981-05-21 Process for purifying naphthoquinone

Country Status (4)

Country Link
JP (1) JPS6029692B2 (enrdf_load_stackoverflow)
CA (1) CA1137502A (enrdf_load_stackoverflow)
DE (1) DE3119280A1 (enrdf_load_stackoverflow)
GB (1) GB2076808B (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257851A (en) * 1978-03-27 1981-03-24 Kawasaki Kasei Chemicals Ltd. Purification of naphthoquinone

Also Published As

Publication number Publication date
JPS56164133A (en) 1981-12-17
GB2076808A (en) 1981-12-09
DE3119280A1 (de) 1982-06-16
DE3119280C2 (enrdf_load_stackoverflow) 1990-07-05
JPS6029692B2 (ja) 1985-07-12
GB2076808B (en) 1984-03-07

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