FR1106527A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for the production of polyurethane foam materials
Assignee: Bayer AG
•
Filing: 1954-08-14
•
Granted: 1955-12-20
•
Expires: 1974-08-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 14:46
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/16; C08G18/18; C08G18/1875; C08G18/28; C08G18/40; C08G18/42; C08G18/4263
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.