US2993751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkali metal derivatives of decaborane
Assignee: Callery Chemical Co
•
Filing: 1956-03-12
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Granted: 1961-07-25
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Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence J Edwards
- 👤 William V Hough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:39
CPC Classifications
C; C01; C01B; C01B6/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
AS A NEW COMPOSITION OF MATTER, AN ALKALI METAL DERIVATIVE OF DECABORANE HAVING THE GENERAL FORMULA MB10H13 WHERE M IS AN ALKALI METAL SELECTED FROM THE CLASS CONSISTING OF SODIUM, POTASSIUM AND LITHIUM.
Claim 2
Dependent Claim
33 words
AS A NEW COMPOSITION OF MATTER, AN ALKALI METAL DERIVATIVE OF DECABORANE HAVING THE GENERAL FORMULA MB10H13 WHERE M IS AN ALKALI METAL SELECTED FROM THE CLASS CONSISTING OF SODIUM, POTASSIUM AND LITHIUM.
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) | 1964-07-24 | 1965-01-23 | 1965-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-24 | 1969-01-23 | 1969-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-24 | 1973-01-23 | 1973-07-25 | $7700.00 | Window Closed / Lapsed |