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DE918779C
Expired / Lapsed
DE
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Process for the production of coloring agents for dyes and tannins with acidic groups
Assignee: Roehm GmbH Darmstadt
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Filing: 1942-01-18
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Granted: 1954-10-04
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Expires: 1962-01-18
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Otto Grimm
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 18:37
CPC Classifications
C; C14; C14C; C14C3/00; D; D06; D06P; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/525; D06P1/5257; D06P3/00; D06P3/02; D06P3/04; D06P3/32; D06P3/3206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE671704C
Cited
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