Patent US4138974A successfully refreshed from Google Patents.
FR3769M
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Medicinal product based on imidazolidone derivatives.
Assignee: F Hoffmann La Roche AG
•
Filing: 1964-08-12
•
Granted: 1965-12-20
•
Expires: 1984-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 16:14
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/32
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.