Patent US2886582A successfully refreshed from Google Patents.
US2886582A
Expired / Lapsed
US
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Process for the modification of alkyl silanes
Assignee: Individual
•
Filing: 1954-01-13
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Granted: 1959-05-12
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Expires: 1974-01-13
Abstract
No abstract record available.
Inventors
- 👤 Kautsky Hans Wilhelm
- 👤 Fritz Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:01
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0896; C07F7/0803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR MODIFYING A HALOGEN-FREE ALKYL SILANE CONTAINING AT LEAST ONE SI-H BOND TO PRODUCE A HIGHER MOLECULAR WEIGHT LIQUID ORGANIC SILANE CONTAINING AN SI-SI BOND WHICH CONSISTS IN THERMALLY DECOMPOSING AN ETHYL SILANE WITHIN A REACTION ZONE MAINTAINED AT A PRESSURE OF ATMOSPHERIC AND BELOW ATMOSPHERIC, EFFECTING SAID DECOMPOSITION OVER A 1 TO 40 MINUTE TIME PERIOD AND A TEMPERATURE RANGING FROM 400-480*C., QUICKLY COOLING THE RESULTING REACTION PRODUCTS AND RECOVERING THEREFROM SAID HIGHER MOLECULAR WEIGHT LIQUID COMPOUND.
Claim 2
Dependent Claim
80 words
A PROCESS FOR MODIFYING A HALOGEN-FREE ALKYL SILANE CONTAINING AT LEAST ONE SI-H BOND TO PRODUCE A HIGHER MOLECULAR WEIGHT LIQUID ORGANIC SILANE CONTAINING AN SI-SI BOND WHICH CONSISTS IN THERMALLY DECOMPOSING AN ETHYL SILANE WITHIN A REACTION ZONE MAINTAINED AT A PRESSURE OF ATMOSPHERIC AND BELOW ATMOSPHERIC, EFFECTING SAID DECOMPOSITION OVER A 1 TO 40 MINUTE TIME PERIOD AND A TEMPERATURE RANGING FROM 400-480*C., QUICKLY COOLING THE RESULTING REACTION PRODUCTS AND RECOVERING THEREFROM SAID HIGHER MOLECULAR WEIGHT LIQUID COMPOUND.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |