Patent US2642447A successfully refreshed from Google Patents.
US2642447A
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Preparation of organosilicon compounds
Assignee: Libbey Owens Ford Glass Co
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Filing: 1950-01-06
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Granted: 1953-06-16
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Expires: 1970-01-06
Abstract
No abstract record available.
Inventors
- 👤 Edwin P Plueddemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:41
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD THAT COMPRISES PREPARING A BETAGAMMA-ALKENYLHALOSILANE BY REACTING AT A TEMPERATURE FROM 275* C. TO 400* C. (1) A SILANE WHOSE MOLECULE CONSISTS OF A SILICON ATOM TO WHICH ARE ATTACHED FOUR MONOVALENT RADICALS CONSISTING OF (A) FROM ONE TO TWO HYDROGENS, (B) FROM ONE TO THREE HALOGENS EACH HAVING AN ATOMIC WEIGHT BETWEEN 35 AND 80, AND (C) NOT MORE THAN ONE RADICAL OF THE CLASS CONSISTING OF PHENYL AND SATURATED HYDROCARBON RADICALS HAVING FROM ONE TO SIX CARBON ATOMS WITH (2) A SUBSTANCE HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
90 words
A METHOD THAT COMPRISES PREPARING A BETAGAMMA-ALKENYLHALOSILANE BY REACTING AT A TEMPERATURE FROM 275* C. TO 400* C. (1) A SILANE WHOSE MOLECULE CONSISTS OF A SILICON ATOM TO WHICH ARE ATTACHED FOUR MONOVALENT RADICALS CONSISTING OF (A) FROM ONE TO TWO HYDROGENS, (B) FROM ONE TO THREE HALOGENS EACH HAVING AN ATOMIC WEIGHT BETWEEN 35 AND 80, AND (C) NOT MORE THAN ONE RADICAL OF THE CLASS CONSISTING OF PHENYL AND SATURATED HYDROCARBON RADICALS HAVING FROM ONE TO SIX CARBON ATOMS WITH (2) A SUBSTANCE HAVING THE GENERAL FORMULA
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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |