Patent US3152886A successfully refreshed from Google Patents.
US3152886A
Expired / Lapsed
US
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Preparation of metals and alloys of molybdenum, nickel, cobalt, and tungsten
Assignee: Individual
•
Filing: 1963-04-03
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Granted: 1964-10-13
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Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 John S Nachtman
- 👤 Poole Henry Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:29
CPC Classifications
C; C22; C22C; C22C32/00; C22C32/001; C22C32/0015; C22C32/0031; C22B; C22B5/00; C22B5/02; C22B5/04; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN THE METHOD OF PRODUCING A METAL COMPOSITION FORMED OF A BASE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL, MOLYBDENUM, TUNGSTEN AND ALLOYS THEROF FROM THE CORRESPONDING METAL SULFIDE, COMPRISING HEATING THE METAL SULFIDE WITH A METAL SELECTED FROM THE GROUP CONSISTING OF TIN, LEAD AND ALLOYS THEREOF IN A NON-OXIDIZING ATMOSPHERE AND AT A TEMPERATURE ABOVE 1100*C. TO PRODUCE THE CORRESPONDING METAL AND ADDING TO THE REDUCTION ZONE IN A FORM WHICH CIVES A RESULTANT ALLOY UPON REDUCTION, AN OXYGEN BEARING COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF NI, CR, ZR, TI, CO, TA, TH, W, HF, AL, CB, BE, IR AND THE RARE EARTHS IN WHICH CONSISTING OF OXIDE, ZIRCONATE, TITANATE, ALUMINATE, ALUMINITE AND CARBONATE OF THE METAL.
Claim 2
Dependent Claim
125 words
IN THE METHOD OF PRODUCING A METAL COMPOSITION FORMED OF A BASE METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL, MOLYBDENUM, TUNGSTEN AND ALLOYS THEROF FROM THE CORRESPONDING METAL SULFIDE, COMPRISING HEATING THE METAL SULFIDE WITH A METAL SELECTED FROM THE GROUP CONSISTING OF TIN, LEAD AND ALLOYS THEREOF IN A NON-OXIDIZING ATMOSPHERE AND AT A TEMPERATURE ABOVE 1100*C. TO PRODUCE THE CORRESPONDING METAL AND ADDING TO THE REDUCTION ZONE IN A FORM WHICH CIVES A RESULTANT ALLOY UPON REDUCTION, AN OXYGEN BEARING COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF NI, CR, ZR, TI, CO, TA, TH, W, HF, AL, CB, BE, IR AND THE RARE EARTHS IN WHICH CONSISTING OF OXIDE, ZIRCONATE, TITANATE, ALUMINATE, ALUMINITE AND CARBONATE OF THE METAL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |