Patent JPS5398918A successfully refreshed from Google Patents.
JPS5398918A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Preparation of gamma-pyrone derivatives
Assignee: Shin-Etsu Chemical Co Ltd
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Filing: 1977-02-04
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Granted: —
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Expires: 1997-02-04
Abstract
Abstract PURPOSE: To prepare ϒ-pyrone derivs. economically, useful as perfumery, in high yield by heating 6-deoxy-hexose-4-uroses in the presence of an acid. COPYRIGHT: (C)1978,JPO&Japio
Inventors
- 👤 Masanao Matsui
- 👤 Tomoya Ogawa
- 👤 Nobuo Kosaka
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 22:58
CPC Classifications
Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
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