DE1134831B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of polymers containing sulfonic acid groups
Assignee: Gevaert Photo Producten NV
•
Filing: 1961-05-31
•
Granted: —
•
Expires: 1981-05-31
Abstract
No abstract record available.
Inventors
- 👤 Dr Rene Maurice Hart
- 👤 Dr Arthur Henri De Cat
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/12; C08F28/00; C08F8/44; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053; C08F2800/00; C08F2800/20; C08F2810/00; C08F2810/20; C08F2810/50
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.