US3050366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of silane by the use of a zinc catalyst
Assignee: EIDP Inc
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Filing: 1959-07-15
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Granted: 1962-08-21
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Expires: 1979-07-15
Abstract
No abstract record available.
Inventors
- 👤 Owen E Ringwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:55
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/04; C01B33/043; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0896
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A PROCESS FOR SUBSTITUTING HYDROGEN FOR SILICONBONDED HALOGEN ATOMS IN A HALOGEN-SUBSTITUTED SILANE COMPRISING CONTACTING AN ALKALINOUS METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDRIDE AND CALCIUM HYDRIDE WITH SAID SILANE UNDER NON-CONTAMINATING CONDITIONS AND IN THE PRESENCE OF AN ETHER REACTION MEDIUM SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, ETHYLENEGLYCOLDIMETHYL ETHERE, DIETHYLENEGLYCOLDIMETHYL ETHER, TRIETHYLENEGLYCOLDIMETHYL ETHER, TETERAETHYLENEGLYCOLDIMETHYL ETHER, DIETHYL ETHER, 1,4-DIOXANE, DIPOPYL EHER, DIISOPROPYL ETHER, AND DICHLORODIETHYL EHTER, AND IN THE PRESENCE OF A ZINC CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC HALIDES, ZINC METAL, ZINC ALLOYS, ZINC CARBOXYLATES, ZINC CARBONATE, ZINC OXIDE, ZINC ALKYLS, AND ZINC HYDRIDE.
Claim 2
Dependent Claim
101 words
A PROCESS FOR SUBSTITUTING HYDROGEN FOR SILICONBONDED HALOGEN ATOMS IN A HALOGEN-SUBSTITUTED SILANE COMPRISING CONTACTING AN ALKALINOUS METAL HYDRIDE SELECTED FROM THE GROUP CONSISTING OF SODIUM HYDRIDE AND CALCIUM HYDRIDE WITH SAID SILANE UNDER NON-CONTAMINATING CONDITIONS AND IN THE PRESENCE OF AN ETHER REACTION MEDIUM SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURAN, ETHYLENEGLYCOLDIMETHYL ETHERE, DIETHYLENEGLYCOLDIMETHYL ETHER, TRIETHYLENEGLYCOLDIMETHYL ETHER, TETERAETHYLENEGLYCOLDIMETHYL ETHER, DIETHYL ETHER, 1,4-DIOXANE, DIPOPYL EHER, DIISOPROPYL ETHER, AND DICHLORODIETHYL EHTER, AND IN THE PRESENCE OF A ZINC CATALYST SELECTED FROM THE GROUP CONSISTING OF ZINC HALIDES, ZINC METAL, ZINC ALLOYS, ZINC CARBOXYLATES, ZINC CARBONATE, ZINC OXIDE, ZINC ALKYLS, AND ZINC HYDRIDE.
References Cited (Backward Citations)
FR1181025A
Cited
FR1182797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |