US3096149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of metal borides
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-07-16
•
Granted: 1963-07-02
•
Expires: 1979-07-16
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:41
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/02; C01B35/04; C30; C30B; C30B29/00; C30B29/10; C30B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
PROCESS FOR THE PRODUCTION OF A SINGLE CRYSTAL FORMED OF METAL BORIDES SELECTED FROM THE GROUP CONSISTING OF THE BORIDES OF TITANIUM, ZIRCONIUM, MOLYBEDUM, TUNGSTEN, CHROMOUM, SILICON, COLUMBIUM, VANADIUM AND TANTALUM, WHICH COMPRISES MELTING TOGETHER A PREFORMED FERROALLOY OF THE DESIRED METAL IN A MOLTEN MATRIX WITH APPROXIMATELY STOICHIOMETRICAL AMOUNTS OF PREFORMED TERROBORON RELATIVE TO THE METAL IN SAID FERROALLOY, COOLING THE SAID MOLTEN MATRIX AT A RATE OF FROM 1* TO 100*C./MIN. TO CRYSTALLIZE THE DESIRED METAL BORIDE, AND THEREAFTER ISOLATING THE SAID METAL BORIDE HAVING A CRYSTAL SIZE RANGING FRO, AT LEAST 0.1 MICRON TO MORE THAN 1/8 INCH ON AT LEAST ONE AXIS.
Claim 2
Dependent Claim
106 words
PROCESS FOR THE PRODUCTION OF A SINGLE CRYSTAL FORMED OF METAL BORIDES SELECTED FROM THE GROUP CONSISTING OF THE BORIDES OF TITANIUM, ZIRCONIUM, MOLYBEDUM, TUNGSTEN, CHROMOUM, SILICON, COLUMBIUM, VANADIUM AND TANTALUM, WHICH COMPRISES MELTING TOGETHER A PREFORMED FERROALLOY OF THE DESIRED METAL IN A MOLTEN MATRIX WITH APPROXIMATELY STOICHIOMETRICAL AMOUNTS OF PREFORMED TERROBORON RELATIVE TO THE METAL IN SAID FERROALLOY, COOLING THE SAID MOLTEN MATRIX AT A RATE OF FROM 1* TO 100*C./MIN. TO CRYSTALLIZE THE DESIRED METAL BORIDE, AND THEREAFTER ISOLATING THE SAID METAL BORIDE HAVING A CRYSTAL SIZE RANGING FRO, AT LEAST 0.1 MICRON TO MORE THAN 1/8 INCH ON AT LEAST ONE AXIS.
References Cited (Backward Citations)
GB457760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |