Patent US2851473A successfully refreshed from Google Patents.
US2851473A
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Processes for the reaction of silanic hydrogen-bonded compounds with unsaturated hydrocarbons
Assignee: Union Carbide Corp
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Filing: 1955-12-23
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Granted: 1958-09-09
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Expires: 1975-12-23
Abstract
No abstract record available.
Inventors
- 👤 George H Wagner
- 👤 Jr William G Whitehead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:15
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN A PROCESS FOR THE PRODUCTION OF ORGANOSILICON COMPOUNDS THAT COMPRISES REACTING AN UNSATURATED ORGANIC COMPOUND CONTAINING AT LEAST ONE NON-AROMATIC MULTIPLE CARBON TO CARBON BOND WITH A SILANE CONTAINING AT LEAST ONE SILANIC HYDROGEN BOND, THE IMPROVEMENT THAT COMPRISES CATALYZING THE REACTION WITH PLATINUM-GAMMA ALUMINA.
Claim 2
Dependent Claim
46 words
IN A PROCESS FOR THE PRODUCTION OF ORGANOSILICON COMPOUNDS THAT COMPRISES REACTING AN UNSATURATED ORGANIC COMPOUND CONTAINING AT LEAST ONE NON-AROMATIC MULTIPLE CARBON TO CARBON BOND WITH A SILANE CONTAINING AT LEAST ONE SILANIC HYDROGEN BOND, THE IMPROVEMENT THAT COMPRISES CATALYZING THE REACTION WITH PLATINUM-GAMMA ALUMINA.
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) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |