US2798831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating protected alkali metal product and process
Assignee: EIDP Inc
•
Filing: 1952-07-30
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Granted: 1957-07-09
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Oswin B Willcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:05
CPC Classifications
B; B01; B01J; B01J33/00; C; C22; C22B; C22B26/00; C22B26/10; C23; C23C; C23C22/00; C23C22/02; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
AS AN ARTICLES OF MANUFACTURE, PARTICULATE ALKALI METAL ENCASED IN A PROTECTIVE SURFACE COATING COMPRISING A METAL SALT LAYER CHEMICALLY BONDED TOK SAID ALKALI METAL. 3.A PROCESS FOR THE PRODUCTION OF AN ALKALI METAL IN COATED PARTICULATE FORM AND STABILIZED AGAINST RAPID DETERIORATION WHICH COMPRISES DISPERSING MOLTEN ALKALI METAL IN AN INERT FLUID AND REACTING THE SURFACE OF THE SUBDIVIDED ALKALI METAL WITH AN INORGANIC REACTANT TO FORM THEREOVER AND ENCASE SAID PARTICULATE ALKALI METAL IN A PROTECTIVE ALKALI METAL SALT COATING.
Claim 2
Dependent Claim
82 words
AS AN ARTICLES OF MANUFACTURE, PARTICULATE ALKALI METAL ENCASED IN A PROTECTIVE SURFACE COATING COMPRISING A METAL SALT LAYER CHEMICALLY BONDED TOK SAID ALKALI METAL. 3.A PROCESS FOR THE PRODUCTION OF AN ALKALI METAL IN COATED PARTICULATE FORM AND STABILIZED AGAINST RAPID DETERIORATION WHICH COMPRISES DISPERSING MOLTEN ALKALI METAL IN AN INERT FLUID AND REACTING THE SURFACE OF THE SUBDIVIDED ALKALI METAL WITH AN INORGANIC REACTANT TO FORM THEREOVER AND ENCASE SAID PARTICULATE ALKALI METAL IN A PROTECTIVE ALKALI METAL SALT COATING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |