Patent US3092648A successfully refreshed from Google Patents.
US3092648A
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Improvements in the preparation of aluminum hydride containing materials
Assignee: Studiengesellschaft Kohle gGmbH
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Filing: 1957-01-07
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Granted: 1963-06-04
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Expires: 1977-01-07
Abstract
No abstract record available.
Inventors
- 👤 Koster Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/06; C07F5/061; C07F5/064; C01; C01B; C01B6/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
PROCESS FOR THE PREPARATION OF A MATERIAL SUBSTANTIALLY EQUIVALENT TO ALUMINUM HYDRIDE AS A REACTANT AND ESSENTIALLY CONSISTING OF AIH3 AND DIALKYL ALUMINUM HALIDE, WHICH COMPRISES REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HALIDES AND MONO-ALKYL ALUMINUM DIHALIDES WITH A STOICHIOMETRIC AMOUNT OF A MONOMERIC DIALKYL ALUMINUM HYDRIDE BASED ON THE APPLICABLE ONE OF THE EQUATIONS
Claim 2
Dependent Claim
59 words
PROCESS FOR THE PREPARATION OF A MATERIAL SUBSTANTIALLY EQUIVALENT TO ALUMINUM HYDRIDE AS A REACTANT AND ESSENTIALLY CONSISTING OF AIH3 AND DIALKYL ALUMINUM HALIDE, WHICH COMPRISES REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM HALIDES AND MONO-ALKYL ALUMINUM DIHALIDES WITH A STOICHIOMETRIC AMOUNT OF A MONOMERIC DIALKYL ALUMINUM HYDRIDE BASED ON THE APPLICABLE ONE OF THE EQUATIONS
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |