DE686905C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of lightfast synthetic tanning agents
Assignee: Novartis AG
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Filing: 1937-06-11
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Granted: 1940-01-18
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Expires: 1957-06-11
Abstract
No abstract record available.
Inventors
- 👤 Dr Robert Biedermann
- 👤 Dr Josef Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 08:35
CPC Classifications
C; C14; C14C; C14C3/00; C14C3/02; C14C3/08; C14C3/18; C14C3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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