Patent US3008975A successfully refreshed from Google Patents.
US3008975A
Expired / Lapsed
US
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Process for preparing silicon esters from halosilanes
Assignee: Union Carbide Corp
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Filing: 1958-06-24
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Granted: 1961-11-14
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Expires: 1978-06-24
Abstract
No abstract record available.
Inventors
- 👤 Clement F Schubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:42
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04; C07F7/06; C07F7/08; C07F7/18; C07F7/1804; C07F7/1872; C07F7/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
10 words
A PROCESS FOR PRODUCING SILICON ESTERS OF THE GENERAL FORMULA
Claim 2
Dependent Claim
10 words
A PROCESS FOR PRODUCING SILICON ESTERS OF THE GENERAL FORMULA
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) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |