FR1228834A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Water soluble azo dyes
Assignee: BASF SE
•
Filing: 1958-12-12
•
Granted: 1960-09-02
•
Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Julius Eisele
- 👤 Wilhelm Federkiel
- 👤 Guenter Krehbiel
- 👤 Hans Krzikalla
- 👤 Guenter Lange
- 👤 Heinz Pohlemann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 16:12
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/44; C09B62/465; C09B62/47; C09B43/00; C09B43/12; C09B43/124; C09B43/128; C09B62/473
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.