US3617218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic synthesis of metallic hydrides
Assignee: United States Department of Health and Human Services
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Filing: 1968-11-13
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Granted: 1971-11-02
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Expires: 1988-11-13
Abstract
Abstract This invention relates to the catalytic, low temperature (e.g., room temperature) production of sodium hydride and other metallic hydrides from the metal and molecular hydrogen using as catalysts an electron acceptor such as naphthalene and a suitable compound of a transition metal such as titanium tetraisopropoxide.
Inventors
- 👤 Eugene E Van Tamelen
- 👤 Robert B Fechter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:06
CPC Classifications
C; C01; C01B; C01B6/00; C01B6/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
The method of claim 1 wherein the alkali metal is sodium.
Claim 2
Dependent Claim
11 words
The method of claim 2 wherein said reactive compound is naphthalene.
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) | 1974-11-01 | 1975-05-03 | 1975-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-01 | 1979-05-03 | 1979-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-01 | 1983-05-03 | 1983-11-02 | $7700.00 | Window Closed / Lapsed |