Patent US2765329A successfully refreshed from Google Patents.
US2765329A
Expired / Lapsed
US
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Process for the preparation of alkyl-aluminum hydrides
Assignee: EIDP Inc
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Filing: 1945-11-03
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Granted: 1956-10-02
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Expires: 1965-11-03
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard Vernon Lindsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:47
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
THE PROCESS WHICH COMPRISES BRINGING AN ALKYLALUMINUM HALIDE WHEREIN THE HALOGEN IS OF ATOMIC WEIGHT BETWEEN 30 AND 130 IN CONTACT, IN THE ABSENCE OF AIR AND MOISTURE, IN AN INERT ANHYDROUS LIQUID DILUENT WITH AN ALKALI METAL HYDRIDE.
Claim 2
Dependent Claim
39 words
THE PROCESS WHICH COMPRISES BRINGING AN ALKYLALUMINUM HALIDE WHEREIN THE HALOGEN IS OF ATOMIC WEIGHT BETWEEN 30 AND 130 IN CONTACT, IN THE ABSENCE OF AIR AND MOISTURE, IN AN INERT ANHYDROUS LIQUID DILUENT WITH AN ALKALI METAL HYDRIDE.
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) | 1959-10-02 | 1960-04-02 | 1960-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-02 | 1964-04-02 | 1964-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-02 | 1968-04-02 | 1968-10-02 | $7700.00 | Window Closed / Lapsed |