US3032399A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of metal borides
Assignee: Callery Chemical Co
•
Filing: 1959-03-10
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Granted: 1962-05-01
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Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Hoke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:52
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/02; C01B35/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING A METAL BORIDE WHICH COMPRISES REACTING AN ALKALI METAL BOROHYDRIDE WITH A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALIDES, OXIDES, AND OXY-ION SALTS OF METALS IN GROUPS IIIA, IVB, VB, VIB, VIIB AND VIII AT A TEMPERATURE SUBSTANTIALLY ABOVE 300*F. IN THE ABSENCE OF WATER AS A SOLVENT, IN A CLOSED SYSTEM, AND IN THE PRESENCE OF AN INERT GAS, AND THEN LEACHING THE CRUDE REACTION PRODUCT WITH AN AQUEOUS MEDIUM TO RECOVER THE METAL BORIDE THUS FORMED.
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING A METAL BORIDE WHICH COMPRISES REACTING AN ALKALI METAL BOROHYDRIDE WITH A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF HALIDES, OXIDES, AND OXY-ION SALTS OF METALS IN GROUPS IIIA, IVB, VB, VIB, VIIB AND VIII AT A TEMPERATURE SUBSTANTIALLY ABOVE 300*F. IN THE ABSENCE OF WATER AS A SOLVENT, IN A CLOSED SYSTEM, AND IN THE PRESENCE OF AN INERT GAS, AND THEN LEACHING THE CRUDE REACTION PRODUCT WITH AN AQUEOUS MEDIUM TO RECOVER THE METAL BORIDE THUS FORMED.
References Cited (Backward Citations)
US2657975A
Cited
US2888326A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-30 | 1965-10-30 | 1966-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-30 | 1969-10-30 | 1970-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-30 | 1973-10-30 | 1974-05-01 | $7700.00 | Window Closed / Lapsed |