Patent US3184492A successfully refreshed from Google Patents.
US3184492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of sodium aluminum methoxy hydride
Assignee: F Hoffmann La Roche AG
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Filing: 1963-02-05
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Granted: 1965-05-18
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Cole Marc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:22
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/62; C07D213/63; C07D213/65; C07D213/66; C07D213/67; C07F; C07F5/00; C07F5/06; C07F5/069
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A PROCESS FOR THE PREPARATION OF SODIUM ALUMINUM METHOXY HYDRIDE COMPRISING REACTING TOGETHER SODIUM METHYLATE, ALUMINUM POWDER, AND HYDROGEN.
Claim 2
Dependent Claim
19 words
A PROCESS FOR THE PREPARATION OF SODIUM ALUMINUM METHOXY HYDRIDE COMPRISING REACTING TOGETHER SODIUM METHYLATE, ALUMINUM POWDER, AND HYDROGEN.
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) | 1968-05-17 | 1968-11-16 | 1969-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-17 | 1972-11-16 | 1973-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-17 | 1976-11-16 | 1977-05-18 | $7700.00 | Window Closed / Lapsed |