US2762824A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of silicon compounds
Assignee: Ethyl Corp
•
Filing: 1953-06-16
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Granted: 1956-09-11
•
Expires: 1973-06-16
Abstract
No abstract record available.
Inventors
- 👤 Herbert C Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:51
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/121; C07F7/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE MANUFACTURE OF A HYDROCARBON SILICON HALIDE COMPRISING REACTING A HYDROCARBONALUMINUM HALIDE WITH SILICON TETRAFLUORIDE AT A TEMPERATURE BETWEEN ABOUT 190*C. AND ABOUT 600*C., THE MOLECULAR RATIO OF SILICON TETRAFLUORIDE TO THE HYDROCARBONALUMINUM HALIDE BEING BETWEEN ABOUT 1 AND 3.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE MANUFACTURE OF A HYDROCARBON SILICON HALIDE COMPRISING REACTING A HYDROCARBONALUMINUM HALIDE WITH SILICON TETRAFLUORIDE AT A TEMPERATURE BETWEEN ABOUT 190*C. AND ABOUT 600*C., THE MOLECULAR RATIO OF SILICON TETRAFLUORIDE TO THE HYDROCARBONALUMINUM HALIDE BEING BETWEEN ABOUT 1 AND 3.
References Cited (Backward Citations)
US2403370A
Cited
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 |