Patent US3793358A successfully refreshed from Google Patents.
US3793358A
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Process for manufacture of alkenylsilanes
Assignee: Wacker Chemie AG
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Filing: 1972-06-22
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Granted: 1974-02-19
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Expires: 1992-06-22
Abstract
Abstract A PROCESS FOR PREPARING ALKENYLSILANES BY REACTING ACETYLENE OR SUBSTITUTED ACETYLENE WITH A SILANE HAVING AT LEAST 1 SILICON BONDED HYDROGEN ATOM IN THE PRESENCE OF AN ADDITION CATALYST AND DISLYLETHANE AT A TEMPERATURE OF FROM ABOUT 120*C TO ABOUT 220*C. AT A PRESSURE OF FROM ABOUT 0.1 TO ABOUT 5 ATMOSPHERES GAUGE.
Inventors
- 👤 I Bauer
- 👤 S Nitzsche
- 👤 N Zeller
- 👤 W Graf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:46
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/0825; C07F7/0827; C07F7/0829; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |