US3177236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing cyanoalkylsilicon compounds
Assignee: Union Carbide Corp
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Filing: 1962-12-04
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Granted: 1965-04-06
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Expires: 1982-12-04
Abstract
No abstract record available.
Inventors
- 👤 Victor B Jex
- 👤 Robert Y Mixer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:43
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0801
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS FOR PRODUCING A CYANOALKYLSILICON COMPOUND WHICH COMPRISES REACTING (1) AN IONIC METAL CYANIDE OF TH CLASS CONSISTING OF THE ALKALI METAL CYANIDES AND THE ALKALINE EARTH METAL CYANIDES AND (2) A HALOALKYLSILICON COMPOUND OF THE CLASS CONSISTING OF THE HALOALKYLPOLYSILOXANES AND THE HALOALKYLHYDROCARBYLOXYSILANES, SAID HALOALKYLSILICON COMPOUND BEING FREE OF HALOGEN SUBSTITUTION ON THE BETA CARBON ATOM OF THE HALOALKYL GROUP THEREOF, IN A DIALKYL ACYLAMIDE AS A SOLVENT TO DISPLACE THE HALOGEN ATOM OF THE HALOALKYL GROUP WITH THE CYANO GROUP OF THE IONIC METAL CYANIDE TO PRODUCE THE CYANOALKYLSILICON COMPOUND AND AN IONIC METAL HALIDE.
Claim 2
Dependent Claim
98 words
A PROCESS FOR PRODUCING A CYANOALKYLSILICON COMPOUND WHICH COMPRISES REACTING (1) AN IONIC METAL CYANIDE OF TH CLASS CONSISTING OF THE ALKALI METAL CYANIDES AND THE ALKALINE EARTH METAL CYANIDES AND (2) A HALOALKYLSILICON COMPOUND OF THE CLASS CONSISTING OF THE HALOALKYLPOLYSILOXANES AND THE HALOALKYLHYDROCARBYLOXYSILANES, SAID HALOALKYLSILICON COMPOUND BEING FREE OF HALOGEN SUBSTITUTION ON THE BETA CARBON ATOM OF THE HALOALKYL GROUP THEREOF, IN A DIALKYL ACYLAMIDE AS A SOLVENT TO DISPLACE THE HALOGEN ATOM OF THE HALOALKYL GROUP WITH THE CYANO GROUP OF THE IONIC METAL CYANIDE TO PRODUCE THE CYANOALKYLSILICON COMPOUND AND AN IONIC METAL HALIDE.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |