Patent CA790489A successfully refreshed from Google Patents.
CA790489A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Process for the incorporation of water in most finely dispersed silicic acid
Assignee: Evonik Operations GmbH
•
Filing: —
•
Granted: 1968-07-23
•
Expires: 1985-07-23
Abstract
No abstract record available.
Inventors
- 👤 Brunner Helmut
- 👤 Schmitz Franz-Theo
- 👤 Schutte Dieter
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-10-25 23:22
CPC Classifications
—
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.