US2762825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of substituted silanes by the grignard reaction with halogen-free di-silanes and silicon hydrides
Assignee: Individual
•
Filing: 1953-02-03
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Granted: 1956-09-11
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Expires: 1973-02-03
Abstract
No abstract record available.
Inventors
- 👤 Kautsky Hans Wilhelm
- 👤 Siebel Doris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:40
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
METHOD FOR THE PREPARATION OF ALKYLATED AND ARYLATED SILANES AND SILOXANES, WHICH COMPRISES CONTACTING A SUBSTANTIALLY-REACTIVE HALOGEN-FREE SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON OXYHYDRIDES CONTAINING AN SI-H BOND AND SILICON OXYHYDRIDES CONTAINING AN SI-SI BOND WITH A GRIGNARD REAGENT SELECTED FROM THE GROUP CONSISTING OF ARYL AND ALKYL GRIGNARDS, IN A PHASE RANGING FROM LIQUID TO SOLID PHASE, WHEREBY THE GRIGNARD REAGENT REACTS WITH SAID BONDS, AND RECOVERING THE SILICON REACTION PRODUCT FORMED.
Claim 2
Dependent Claim
76 words
METHOD FOR THE PREPARATION OF ALKYLATED AND ARYLATED SILANES AND SILOXANES, WHICH COMPRISES CONTACTING A SUBSTANTIALLY-REACTIVE HALOGEN-FREE SILICON COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON OXYHYDRIDES CONTAINING AN SI-H BOND AND SILICON OXYHYDRIDES CONTAINING AN SI-SI BOND WITH A GRIGNARD REAGENT SELECTED FROM THE GROUP CONSISTING OF ARYL AND ALKYL GRIGNARDS, IN A PHASE RANGING FROM LIQUID TO SOLID PHASE, WHEREBY THE GRIGNARD REAGENT REACTS WITH SAID BONDS, AND RECOVERING THE SILICON REACTION PRODUCT FORMED.
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) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |