US2865939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthesis of alkylhalosilanes
Assignee: EIDP Inc
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Filing: 1956-07-10
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Granted: 1958-12-23
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Expires: 1976-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Ernest L Little
- 👤 Miller C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:30
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF PRODUCING ORGANOHALOSILANES WHICH CONSISTS OF REACTING, AT A TEMPERATURE OF AT LEAST 225*C. AND A PRESSURE OF AT LEAST 150 ATMOSPHERES, (1) AN OLEFINIC HYDROCARBON HAVING A SINGLE POINT OF ETHYLENIC UNSATURATION, (2) THE SILICIDE OF A MEMBER OF THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS, AND (3) A COMPOUND OF THE FORMULA MXNR4-N WHERE M IS AN ELEMENT OF THE GROUP CONSISTING OF SILICON, TITANIUM, ZIRCONIUM GERMANIUM AND TIN X IS A HALOEN OF ATOMIC NUMBER, 17 TO 53, INCLUSIVE, R IS A HYDROCARBON RADICAL HAVING 1-6 CARBON ATOMS, AND N IS AN INTEGER FROM 1 TO 4, INCLUSIVE.
Claim 2
Independent Claim
106 words
THE METHOD OF PRODUCING ORGANOHALOSILANES WHICH CONSISTS OF REACTING, AT A TEMPERATURE OF AT LEAST 225*C. AND A PRESSURE OF AT LEAST 150 ATMOSPHERES, (1) AN OLEFINIC HYDROCARBON HAVING A SINGLE POINT OF ETHYLENIC UNSATURATION, (2) THE SILICIDE OF A MEMBER OF THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS, AND (3) A COMPOUND OF THE FORMULA MXNR4-N WHERE M IS AN ELEMENT OF THE GROUP CONSISTING OF SILICON, TITANIUM, ZIRCONIUM GERMANIUM AND TIN X IS A HALOEN OF ATOMIC NUMBER, 17 TO 53, INCLUSIVE, R IS A HYDROCARBON RADICAL HAVING 1-6 CARBON ATOMS, AND N IS AN INTEGER FROM 1 TO 4, INCLUSIVE.
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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |