Patent DE457271C successfully refreshed from Google Patents.
DE457271C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the separate extraction of the acidic components of the end gases in the production of gluehphosphate
Assignee: RHENANIA KUNHEIM VER CHEMISCHE
•
Filing: 1926-10-21
•
Granted: 1928-03-12
•
Expires: 1946-10-21
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Ing Friedrich Klema
- 👤 Dr Friedrich Ruesberg
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 21:52
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/08; C01B33/10; C01B33/103
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.