US3409465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for improving the wettability of solid metallic surfaces by molten alkali metals
Assignee: ZIEGLER AG
•
Filing: 1963-03-29
•
Granted: 1968-11-05
•
Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Karl
- 👤 Dislich Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:29
CPC Classifications
C; C25; C25C; C25C7/00; C25C3/00; C25C3/02; C25C7/02; C25C7/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
PROCESS OF WETTING A SOLID METALLIC SURFACE INERT TO MOLTEN ALKALI METAL WITH ALKALI MTAL WHICH COMPRISE: (A) COATING THE METAL WITH A FILM OF CADMIUM OR GOLD; (B) CONTACTING THE FILM WHILE ON SAID SURFACE WITH MOLTEN ALKALI METAL; (C) ALLOWING MOLTEN ALKALI METAL AND THE METAL OF SAID COATING TO COMBINE AND REMOVING THE COMBINED MOLTEN ALKALI METAL AND METAL OF SAID COATING LEAVING MOLTEN METALLIC ALKALI COVERING AND WETTING SAID SURFACE.
Claim 2
Dependent Claim
74 words
PROCESS OF WETTING A SOLID METALLIC SURFACE INERT TO MOLTEN ALKALI METAL WITH ALKALI MTAL WHICH COMPRISE: (A) COATING THE METAL WITH A FILM OF CADMIUM OR GOLD; (B) CONTACTING THE FILM WHILE ON SAID SURFACE WITH MOLTEN ALKALI METAL; (C) ALLOWING MOLTEN ALKALI METAL AND THE METAL OF SAID COATING TO COMBINE AND REMOVING THE COMBINED MOLTEN ALKALI METAL AND METAL OF SAID COATING LEAVING MOLTEN METALLIC ALKALI COVERING AND WETTING SAID SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |