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US2961453A
Expired / Lapsed
US
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Production of organo-silanes
Assignee: Imperial Chemical Industries Ltd
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Filing: 1958-09-10
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Granted: 1960-11-22
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Expires: 1978-09-10
Abstract
No abstract record available.
Inventors
- 👤 Sleddon Geoffrey John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:51
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0825; C07F7/0827
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR THE PRODUCTION OF ALKYL SILANES COMPRISING REACTING TOGETHER A SILICEOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICAS, INORGANIC SILICATES, AND ORGANOPOLYSILOXANES IN WHICH THE ORGANIC RADICALS ARE MEMBERS SELECTED FROM THE GROUP CONSISTING OF METHYL AND PHENYL RADICALS, WITH AN ALKALI METAL HALIDE COMPLEX OF AN ORGANO ALUMINUM HALIDE HAVING THE GENERAL FORMULA MX.RALY2, WHEREIN M IS AN ALKALI METAL, R IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND ETHYL GROUPS, AND X AND Y ARE SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE.
Claim 2
Dependent Claim
91 words
A PROCESS FOR THE PRODUCTION OF ALKYL SILANES COMPRISING REACTING TOGETHER A SILICEOUS MATERIAL SELECTED FROM THE GROUP CONSISTING OF SILICAS, INORGANIC SILICATES, AND ORGANOPOLYSILOXANES IN WHICH THE ORGANIC RADICALS ARE MEMBERS SELECTED FROM THE GROUP CONSISTING OF METHYL AND PHENYL RADICALS, WITH AN ALKALI METAL HALIDE COMPLEX OF AN ORGANO ALUMINUM HALIDE HAVING THE GENERAL FORMULA MX.RALY2, WHEREIN M IS AN ALKALI METAL, R IS SELECTED FROM THE GROUP CONSISTING OF METHYL AND ETHYL GROUPS, AND X AND Y ARE SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, AND IODINE.
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) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |