JPS549256A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Method of molding 1,4,4a,9a-tetrahdyroanthraquinone
Assignee: Kawasaki Kasei Chemicals Ltd
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Filing: 1977-06-21
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Granted: —
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Expires: 1997-06-21
Abstract
Abstract PURPOSE: To mold the title cpd., useful as intermediates for dyes, etc., with suppressing the formation of dihydroanthrhydroquinone (≤10%) as a by-product after the removal of the solvent from the reaction mixture of 1,4-naphoquinone with butadiene at ≤ 140°C. COPYRIGHT: (C)1979,JPO&Japio
Inventors
- 👤 Akira Matsuura
- 👤 Tatsumi Komatsu
- 👤 Hiroaki Takahashi
- 👤 Kenji Usui
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-01 06:41
CPC Classifications
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