US2908699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing cyanoalkylsilanes employing hydrocarbyl phosphorous halide catalysts
Assignee: Union Carbide Corp
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Filing: 1955-12-23
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Granted: 1959-10-13
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Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 Victor B Jex
- 👤 John E Mcmahon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:03
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
10 words
A PROCESS FOR REACTING A SILANE, REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2721873A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |