Patent DE640404C successfully refreshed from Google Patents.
DE640404C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of azo dyes
Assignee: IG Farbenindustrie AG
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Filing: 1934-03-23
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Granted: 1937-01-04
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Expires: 1954-03-23
Abstract
No abstract record available.
Inventors
- 👤 Dr Bernd Von Bock
- 👤 Dr Karl Holzach
- 👤 Dr Carl Winter
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 02:18
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/06; C09B29/08; D; D06; D06P; D06P1/00; D06P1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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