FR1196971A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Phosphorus polyesters and their preparation
Assignee: Hoechst AG
•
Filing: 1957-11-29
•
Granted: 1959-11-27
•
Expires: 1977-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 08:29
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/692; C08G63/6924; C08G79/00; C08G79/02; C08G79/04
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.