FR510631A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the preparation of alkaline amides
Assignee: DEUTSCHE GOLD-UND SILBER-SCHEIDEANSTALT VORM ROSSLER Ste
•
Filing: 1915-01-26
•
Granted: 1920-12-08
•
Expires: 1935-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 00:16
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/082; C01B21/087; C01B21/092; C01B21/0923; C01B21/0926
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.