US3030403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making cyanoalkylsilanes
Assignee: Union Carbide Corp
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Filing: 1959-12-30
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Granted: 1962-04-17
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Roscoe A Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:13
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A PROCESS FOR PREPARING A CYANOALKYLSILANE WHEREIN THE CYANO GROUP IS INTERCONNECTED TO SILICON THROUGH AT LEAST TWO CARBON ATOMS, WHICH COMPRISES REACTING AN ALKENE NITRILE WITH A SILANE HAVING ONE SILICON-BONDED HYDROGEN ATOM AND THREE SILICON-BONDED HYDROLYZABLE GROUPS SELECTED FROM THE CLASS CONSISTING OF ALKOXY GROUPS, ARYLOXY GROUPS, ACETOXY GROUPS AND HALOGEN IN THE PRESENCE OF A SILYL AMINE CATALYST OF THE FORMULA:
Claim 2
Dependent Claim
64 words
A PROCESS FOR PREPARING A CYANOALKYLSILANE WHEREIN THE CYANO GROUP IS INTERCONNECTED TO SILICON THROUGH AT LEAST TWO CARBON ATOMS, WHICH COMPRISES REACTING AN ALKENE NITRILE WITH A SILANE HAVING ONE SILICON-BONDED HYDROGEN ATOM AND THREE SILICON-BONDED HYDROLYZABLE GROUPS SELECTED FROM THE CLASS CONSISTING OF ALKOXY GROUPS, ARYLOXY GROUPS, ACETOXY GROUPS AND HALOGEN IN THE PRESENCE OF A SILYL AMINE CATALYST OF THE FORMULA:
References Cited (Backward Citations)
US2716638A
Cited
US2900363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |