DE649757C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Manufacture of meta- and polyphosphates
Assignee: Henkel AG and Co KGaA
•
Filing: 1934-10-31
•
Granted: 1937-09-03
•
Expires: 1954-10-31
Abstract
No abstract record available.
Inventors
- 👤 Dr Max Alsfeld
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 02:45
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/16; C01B25/26; C01B25/455; C01B25/38; C01B25/39; C01B25/395; C01B25/44
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.