Patent CH473196A successfully refreshed from Google Patents.
CH473196A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for the preparation of dyes free of sulfonic acid and carboxylic acid groups
Assignee: Bayer Ag
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Filing: 1963-07-31
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Granted: —
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Expires: 1983-07-31
Abstract
No abstract record available.
Inventors
- 👤 Alfred Dr Brack
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-05 13:58
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/80; C09; C09B; C09B23/00; C09B23/0008; C09B23/005; C09B23/0058; C09B57/00; C09B57/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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