Patent EP0651586A2 successfully refreshed from Google Patents.
DE895980C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of polyvinyl alcohols
Assignee: Hoechst AG
•
Filing: 1950-06-20
•
Granted: 1953-11-09
•
Expires: 1970-06-20
Abstract
No abstract record available.
Inventors
- 👤 Hans Joachim Dr Hahn
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 08:30
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.