Patent US2566347A successfully refreshed from Google Patents.
US2566347A
Expired / Lapsed
US
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Silicon acylates
Assignee: Ellis Foster Co
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Filing: 1946-04-17
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Granted: 1951-09-04
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Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 Charles A Mackenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:00
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
THE METHOD OF MAKING REACTION PRODUCTS INCLUDING SILICON TETRAACYLATE WHICH COMPRISES CONTACTING AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND REFLUXING BUT BELOW THAT OF DECOMPOSITION OF THE TETRAACYLATE, SILICOCHLOROFORM WITH A COMPOUND SELECTED FROM ACIDS HAVING THE FORMULA RCOOH WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND MONOCYCLIC ARYL RADICALS, AND SALTS OF SAID ACIDS IN THE PRESENCE OF AN ORGANIC LIQUID SOLVENT FOR AT LEAST ONE OF THE REACTANTS.
Claim 2
Independent Claim
73 words
THE METHOD OF MAKING REACTION PRODUCTS INCLUDING SILICON TETRAACYLATE WHICH COMPRISES CONTACTING AT A TEMPERATURE BETWEEN ROOM TEMPERATURE AND REFLUXING BUT BELOW THAT OF DECOMPOSITION OF THE TETRAACYLATE, SILICOCHLOROFORM WITH A COMPOUND SELECTED FROM ACIDS HAVING THE FORMULA RCOOH WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALKYL AND MONOCYCLIC ARYL RADICALS, AND SALTS OF SAID ACIDS IN THE PRESENCE OF AN ORGANIC LIQUID SOLVENT FOR AT LEAST ONE OF THE REACTANTS.
References Cited (Backward Citations)
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Cited
US2017000A
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US2150507A
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US2253128A
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US2397727A
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US2397287A
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US2405988A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |