US3391999A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of metal aluminides
Assignee: Texaco Inc
•
Filing: 1964-08-17
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Granted: 1968-07-09
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Expires: 1984-08-17
Abstract
No abstract record available.
Inventors
- 👤 Edward L Cole
- 👤 Edwin C Knowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:35
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02; C22C1/026
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
59 words
A METHOD OF PREPARING A METAL ALUMINIDE OF A METAL FROM GROUPS IV, VI, AND VII OF THE PERIODIC TABLE WHICH COMPRISIES REACTING SAID METAL WITH METALLIC ALUMINUM IN A HEAT STABLE, MOLTEN SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AT A TEMPERATURE ABOVE THE FUSION TEMPERATURE OF THE SALT.
Claim 2
Independent Claim
59 words
A METHOD OF PREPARING A METAL ALUMINIDE OF A METAL FROM GROUPS IV, VI, AND VII OF THE PERIODIC TABLE WHICH COMPRISIES REACTING SAID METAL WITH METALLIC ALUMINUM IN A HEAT STABLE, MOLTEN SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS AT A TEMPERATURE ABOVE THE FUSION TEMPERATURE OF THE SALT.
Claim 3
Dependent Claim
93 words
A CATALYTIC STRUCTURE COMPRISING A METAL ALUMINIDE SUPPORT IN PARTICLE FORM PREPARED BY IMMERSING AN ALUMINIDE-FORMING METAL FROM GROUPS IV, VI, AND VII OF THE PERIODIC TABLE WITH METALLIC ALUMINUM IN A HEAT STABLE, MOLTEN SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS FOR A PERIOD OF TIME WITHIN THE RANGE OF 1 TO 10 HOURS AND A METAL CATALYST MATERIAL OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUP VIII METALS, MOLYBDENUM AND TUNGSTEN DEPOSITED ON THE SURFACE OF THE RESULTING METAL ALUMINIDE.
Claim 4
Dependent Claim
93 words
A CATALYTIC STRUCTURE COMPRISING A METAL ALUMINIDE SUPPORT IN PARTICLE FORM PREPARED BY IMMERSING AN ALUMINIDE-FORMING METAL FROM GROUPS IV, VI, AND VII OF THE PERIODIC TABLE WITH METALLIC ALUMINUM IN A HEAT STABLE, MOLTEN SALT OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALI METALS AND ALKALINE EARTH METALS FOR A PERIOD OF TIME WITHIN THE RANGE OF 1 TO 10 HOURS AND A METAL CATALYST MATERIAL OF A METAL SELECTED FROM THE GROUP CONSISTING OF GROUP VIII METALS, MOLYBDENUM AND TUNGSTEN DEPOSITED ON THE SURFACE OF THE RESULTING METAL ALUMINIDE.
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) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |