DE837534C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of pyridinium compounds
Assignee: F Hoffmann La Roche AG
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Filing: 1949-11-16
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Granted: 1952-04-28
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Expires: 1969-11-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 17:59
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/61; C07D401/00; C07D401/02; C07D401/04
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References Cited (Backward Citations)
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