DE945643C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of blue leveling dyes of the anthraquinone series
Assignee: Sandoz AG
•
Filing: 1953-01-18
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Granted: 1956-07-12
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Expires: 1973-01-18
Abstract
No abstract record available.
Inventors
- 👤 Dr Jacques Guenthard
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 14:37
CPC Classifications
C; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/34
Claims Analysis
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