EP0337479A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Method for preparation of zeolites
Assignee: Everllence SE
•
Filing: 1989-04-14
•
Granted: —
•
Expires: 2009-04-14
Abstract
Abstract The zeolites are prepared from glass in the presence of hydrogen fluoride.
Inventors
- 👤 Gottfried Dipl.-Ing. Maier
- 👤 Josef Dr. Dachs
- 👤 Walter Laber
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-02 22:59
CPC Classifications
C; C01; C01B; C01B39/00; C01B39/02; C01B39/36; C01B39/38
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.