US2721873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of silanes with unsaturated aliphatic compounds
Assignee: Ellis Foster Co
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Filing: 1952-03-11
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Granted: 1955-10-25
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Expires: 1972-03-11
Abstract
No abstract record available.
Inventors
- 👤 Charles A Mackenzie
- 👤 Spialter Leonard
- 👤 Schoffman Milton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:32
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF MAKING HYDROCARBON SUBSTITUTED SILANES WHICH COMPRISES REACTING A SILANE CONTAINING AT LEAST ONE SI-H GROUP AND ALL OTHER VALENCES ATTACHED TO SILICON BEING SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON, MONOVALENT HYDROCARBON GROUPS AND A SILICON CONTAINING RADICAL IN WHICH LATTER THE SILICON VALENCES ARE ALL SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON GROUPS, WITH AN UNSATURATED ALIPHATIC COMPOUND.
Claim 2
Independent Claim
73 words
THE METHOD OF MAKING HYDROCARBON SUBSTITUTED SILANES WHICH COMPRISES REACTING A SILANE CONTAINING AT LEAST ONE SI-H GROUP AND ALL OTHER VALENCES ATTACHED TO SILICON BEING SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROCARBON, MONOVALENT HYDROCARBON GROUPS AND A SILICON CONTAINING RADICAL IN WHICH LATTER THE SILICON VALENCES ARE ALL SATISFIED BY A RADICAL SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON GROUPS, WITH AN UNSATURATED ALIPHATIC COMPOUND.
References Cited (Backward Citations)
FR961878A
Cited
US2537763A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-24 | 1959-04-25 | 1959-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-24 | 1963-04-25 | 1963-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-24 | 1967-04-25 | 1967-10-25 | $7700.00 | Window Closed / Lapsed |