DE2829906C2
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Defoamer preparation and method of manufacture
Assignee: Evonik Operations GmbH
•
Filing: 1978-07-07
•
Granted: 1983-07-14
•
Expires: 1998-07-07
Abstract
No abstract record available.
Inventors
- 👤 Hans-Ferdi 4300 Essen Fink
- 👤 Götz Dr. Koerner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 16:42
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; C; C08; C08L; C08L83/00; C08L83/10
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.