US2558627A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the production of zirconium alloys
Assignee: Individual
•
Filing: 1949-03-04
•
Granted: 1951-06-26
•
Expires: 1969-03-04
Abstract
No abstract record available.
Inventors
- 👤 Pyk Sven Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:30
CPC Classifications
C; C25; C25C; C25C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN THE MANUFACTURE OF ZINC-ZIRCONIUM ALLOYS OF HIGH ZIRCONIUM CONTENT, THE PROCESS WHICH COMPRISES FORMING A MOLTEN SALT BATH CONTAINING A ZIRCONIUM HALIDE, ADDING METALLIC ZINC TO THE BATH TO FORM A MOLTEN ZINC CATHODE, ELECTROLYZING THE SALT BATH WHILE MAINTAINING THE TEMPERATURE OF THE BATH ABOVE THE MELTING POINT OF THE RESULTING CATHODE ALLOY BUT BELOW THE BOILING POINT OF ZINC, RECOVERING THE CATHODE ALLOY AND HEATING AND DISTILLING OFF ZINC THEREFROM TO ENRICH THE ALLOY WITH ZIRCONIUM.
Claim 2
Dependent Claim
79 words
IN THE MANUFACTURE OF ZINC-ZIRCONIUM ALLOYS OF HIGH ZIRCONIUM CONTENT, THE PROCESS WHICH COMPRISES FORMING A MOLTEN SALT BATH CONTAINING A ZIRCONIUM HALIDE, ADDING METALLIC ZINC TO THE BATH TO FORM A MOLTEN ZINC CATHODE, ELECTROLYZING THE SALT BATH WHILE MAINTAINING THE TEMPERATURE OF THE BATH ABOVE THE MELTING POINT OF THE RESULTING CATHODE ALLOY BUT BELOW THE BOILING POINT OF ZINC, RECOVERING THE CATHODE ALLOY AND HEATING AND DISTILLING OFF ZINC THEREFROM TO ENRICH THE ALLOY WITH ZIRCONIUM.
References Cited (Backward Citations)
US2323042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |