Patent US3043857A successfully refreshed from Google Patents.
US3043857A
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Preparation of hydrides of the fourth and fifth group elements
Assignee: Kali Chemie AG
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Filing: 1957-10-30
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Granted: 1962-07-10
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Expires: 1977-10-30
Abstract
No abstract record available.
Inventors
- 👤 Jenkner Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:56
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0896; C01; C01B; C01B25/00; C01B25/06; C01B33/00; C01B33/04; C01B33/043; C01B6/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A PROCESS FOR THE PREPARATION OF HYDROGEN COMPOUNDS OF SILICON, GERMANIUM, AND TIN, COMPRISING REACTING A HALIDE OF SAID COMPOUNDS, SAID HALIDE CONTAINING AS ONLY REACTIVE GROUPS HALOGEN DIRECTLY BOUND TO SAID METAL IN AN INERT LIQUID ORGANIC DILUENT AT A TEMPERATURE OF ABOUT -20 TO +150*C. WITH SODIUM HYDRIDE IN THE PRESENCE OF AT LEAST 1 MOL PERCENT, CALCULATED ON SAID SODIUM HYDRIDE, OF AN ACTIVATOR COMPRISING A COMPOUND OF THE FORMULA MERXR''Y, WHEREIN ME IS A MEMBER OF THE GROUP CONSISTING OF BORON, GALLIUM, ALUMINUM, Y BEING AN INTEGER FROM 1 TO 3 AND X+Y=3, R IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKOXY, AND PHENOXY, AND R'' IS A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKOXY AND PHENOXY AND ISOLATING THE OBTAINED HYDRIDE.
Claim 2
Dependent Claim
134 words
A PROCESS FOR THE PREPARATION OF HYDROGEN COMPOUNDS OF SILICON, GERMANIUM, AND TIN, COMPRISING REACTING A HALIDE OF SAID COMPOUNDS, SAID HALIDE CONTAINING AS ONLY REACTIVE GROUPS HALOGEN DIRECTLY BOUND TO SAID METAL IN AN INERT LIQUID ORGANIC DILUENT AT A TEMPERATURE OF ABOUT -20 TO +150*C. WITH SODIUM HYDRIDE IN THE PRESENCE OF AT LEAST 1 MOL PERCENT, CALCULATED ON SAID SODIUM HYDRIDE, OF AN ACTIVATOR COMPRISING A COMPOUND OF THE FORMULA MERXR''Y, WHEREIN ME IS A MEMBER OF THE GROUP CONSISTING OF BORON, GALLIUM, ALUMINUM, Y BEING AN INTEGER FROM 1 TO 3 AND X+Y=3, R IS A MEMBER OF THE GROUP CONSISTING OF HYDROGEN, LOWER ALKYL, LOWER ALKOXY, AND PHENOXY, AND R'' IS A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYL, LOWER ALKOXY AND PHENOXY AND ISOLATING THE OBTAINED 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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |