Patent DE898682C successfully refreshed from Google Patents.
DE898682C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of highly viscous, melting, linear polyurethanes
Assignee: BASF SE
•
Filing: 1943-10-03
•
Granted: 1953-12-03
•
Expires: 1963-10-03
Abstract
No abstract record available.
Inventors
- 👤 Paul Dr Schlack
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 13:38
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3819; C08G18/3823; C08G18/3825; C08G18/32; C08G18/3203; C08G18/3206
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.