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Patent US2966426A successfully refreshed from Google Patents.
US2966426A
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Process for the production of boron phosphide
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-03-03
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Granted: 1960-12-27
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Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Forrest V Williams
- 👤 Robert A Ruehrwein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:37
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/5154; C01; C01B; C01B25/00; C01B25/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A PROCESS FOR THE PRODUCTION OF CRYSTALLINE BORON PHOSPHIDE WHICH COMPRISES CONTACTING A BARON SQUARE SELECTED FROM THE GROUP CONSISTING OF BORON HALIDES, BORON HYDRIDES AND BORON ALKYLS WITH A PHOSPHORUS SOURCE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS HALIDES AND PHOSPHORUS HYDRIDES AT A TEMPERATURE OF AT LEAST 1,100*F. TO OBTAIN CRYSTALLINE BORON PHOSPHIDE.
Claim 2
Dependent Claim
55 words
A PROCESS FOR THE PRODUCTION OF CRYSTALLINE BORON PHOSPHIDE WHICH COMPRISES CONTACTING A BARON SQUARE SELECTED FROM THE GROUP CONSISTING OF BORON HALIDES, BORON HYDRIDES AND BORON ALKYLS WITH A PHOSPHORUS SOURCE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS HALIDES AND PHOSPHORUS HYDRIDES AT A TEMPERATURE OF AT LEAST 1,100*F. TO OBTAIN CRYSTALLINE BORON PHOSPHIDE.
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) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |