FR1256203A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
New polyimides and methods for preparing these compounds
Assignee: EIDP Inc
•
Filing: 1960-03-28
•
Granted: 1961-03-17
•
Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 13:21
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/10; C08G73/1003
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.