US2715057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyzed reaction between metallic hydrides and boric oxide
Assignee: EIDP Inc
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Filing: 1952-05-02
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Granted: 1955-08-09
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Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 Everett H Pryde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:09
CPC Classifications
C; C01; C01B; C01B6/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE PROCESS OF PRODUCING THE BOROHYDRIDE OF A METAL OF THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS WHICH COMPRISES REACTING THE HYDRIDE OF SAID METAL WITH BORIC ANHYDRIDE AT AROUND 200-350* C. IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ALKOXIDE OF SAID METAL, SAID ALKOXIDE HAVING THE GENERAL FORMULA M(OR)X WHERE M REPRESENTS THE METAL, R IS AN ORGANIC RADICAL CHOSEN FROM THE GROUP CONSISTING OF ALKYL RADICALS POSSESSING A
Claim 2
Dependent Claim
75 words
THE PROCESS OF PRODUCING THE BOROHYDRIDE OF A METAL OF THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS WHICH COMPRISES REACTING THE HYDRIDE OF SAID METAL WITH BORIC ANHYDRIDE AT AROUND 200-350* C. IN THE PRESENCE OF A CATALYTIC AMOUNT OF AN ALKOXIDE OF SAID METAL, SAID ALKOXIDE HAVING THE GENERAL FORMULA M(OR)X WHERE M REPRESENTS THE METAL, R IS AN ORGANIC RADICAL CHOSEN FROM THE GROUP CONSISTING OF ALKYL RADICALS POSSESSING A
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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |