US3395986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of boron phosphide
Assignee: Monsanto Co
•
Filing: 1958-03-03
•
Granted: 1968-08-06
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Gruber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:59
CPC Classifications
C; C01; C01B; C01B25/00; C01B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
PROCESS FOR THE PRODUCTION OF BORON PHOSPHIDE WHICH COMPRISES HEATING A MIXTURE OF A PHOSPHIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, COPPER, TITANIUM, CHROMIUM, MANGANESE, VANADIUM, ZIRCONIUM, MOLYBDENUM, TANTALUM AND THORIUM PHOSPHIDES WITH A BORIDE SELECTED FROM THE GROUP CONSISTING OF IRON, MAGNESIUM, ALUMINUM, COPPER, TITANIUM, ZIRCONIUM AND VANADIUM BORIDES IN A MOLTEN METAL MATRIX COMPRISING AT LEAST ONE OF THE GROUP CONSISTING OF METALLIC ALUMINUM, MAGNESIUM, COPPER, TITANIUM, CHROMIUM, MANGANESE, VANADIUM, ZIRCONIUM, MOLYBDENUM, TANTALUM, THORIUM, IRON, NICKEL, LEAD, TIN, ANTIMONY, BISMUTH AND ZINC AT A TEMPERTURE OF FROM 1,800*F. TO 3,300*F.
Claim 2
Dependent Claim
94 words
PROCESS FOR THE PRODUCTION OF BORON PHOSPHIDE WHICH COMPRISES HEATING A MIXTURE OF A PHOSPHIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, MAGNESIUM, COPPER, TITANIUM, CHROMIUM, MANGANESE, VANADIUM, ZIRCONIUM, MOLYBDENUM, TANTALUM AND THORIUM PHOSPHIDES WITH A BORIDE SELECTED FROM THE GROUP CONSISTING OF IRON, MAGNESIUM, ALUMINUM, COPPER, TITANIUM, ZIRCONIUM AND VANADIUM BORIDES IN A MOLTEN METAL MATRIX COMPRISING AT LEAST ONE OF THE GROUP CONSISTING OF METALLIC ALUMINUM, MAGNESIUM, COPPER, TITANIUM, CHROMIUM, MANGANESE, VANADIUM, ZIRCONIUM, MOLYBDENUM, TANTALUM, THORIUM, IRON, NICKEL, LEAD, TIN, ANTIMONY, BISMUTH AND ZINC AT A TEMPERTURE OF FROM 1,800*F. TO 3,300*F.
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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) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |