US3000726A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metals
Assignee: Individual
•
Filing: 1945-11-14
•
Granted: 1961-09-19
•
Expires: 1965-11-14
Abstract
No abstract record available.
Inventors
- 👤 Frank H Speeding
- 👤 Harley A Wilhelm
- 👤 Wayne H Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:20
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A PROCESS OF THE PRODUCTION OF MASSIVE METAL OF GROUP IVA OF THE PERIODIC TABLE WHICH CONSISTS OF PREPARING A MIXTURE CONSISTING ESSENTIALLY OF A FLUORIDE OF SAID METAL, A REDUCING METAL OF THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, AND A MATERIAL THERMALLY CAPABLE OF REACTING WITH SAID REDUCING METAL TO DEVELOP A TEMPERATURE ABOVE THE TEMPERATURE WHICH CAN BE DEVELOPED BY REACTION OF THE REDUCING METAL WITH THE FLUORIDE OF THE GROUP IVA METAL, PLACING SAID MIXTURE IN A REACTOR, CLOSING THE REACTOR, HEATING THE REACTOR AND SAID MIXTURE TO INITIATE REACTION OF THE COMPONENTS OF SAID MIXTURE WHEREBY THE REACTION RAISES THE TEMPERATURE OF THE REACTION PRODUCT TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID METAL OF GROUP IVA, AND SUPERATMOSPHERIC PRESSURE BUILDS UP MAINTAINING THE TEMPERATURE AND SUPERATMOSPHERIC PRESSURE ABOVE SAID MELTING POINT TO PERMIT SUBSTANTIAL SEPARATION OF A MOLTEN METAL PHASE AND A MOLTEN SLAG PHASE, COOLING TO SOLIDIFY SAID PHASE, OPENING SAID REACTOR, AND REMOVING SAID PHASES.
Claim 2
Dependent Claim
166 words
A PROCESS OF THE PRODUCTION OF MASSIVE METAL OF GROUP IVA OF THE PERIODIC TABLE WHICH CONSISTS OF PREPARING A MIXTURE CONSISTING ESSENTIALLY OF A FLUORIDE OF SAID METAL, A REDUCING METAL OF THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METALS, AND A MATERIAL THERMALLY CAPABLE OF REACTING WITH SAID REDUCING METAL TO DEVELOP A TEMPERATURE ABOVE THE TEMPERATURE WHICH CAN BE DEVELOPED BY REACTION OF THE REDUCING METAL WITH THE FLUORIDE OF THE GROUP IVA METAL, PLACING SAID MIXTURE IN A REACTOR, CLOSING THE REACTOR, HEATING THE REACTOR AND SAID MIXTURE TO INITIATE REACTION OF THE COMPONENTS OF SAID MIXTURE WHEREBY THE REACTION RAISES THE TEMPERATURE OF THE REACTION PRODUCT TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID METAL OF GROUP IVA, AND SUPERATMOSPHERIC PRESSURE BUILDS UP MAINTAINING THE TEMPERATURE AND SUPERATMOSPHERIC PRESSURE ABOVE SAID MELTING POINT TO PERMIT SUBSTANTIAL SEPARATION OF A MOLTEN METAL PHASE AND A MOLTEN SLAG PHASE, COOLING TO SOLIDIFY SAID PHASE, OPENING SAID REACTOR, AND REMOVING SAID PHASES.
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |