Patent US3641273A successfully refreshed from Google Patents.
US2963503A
Expired / Lapsed
US
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Process for producing phosphorus-containing organosilicon compounds
Assignee: Union Carbide Corp
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Filing: 1958-12-23
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Granted: 1960-12-06
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Expires: 1978-12-23
Abstract
No abstract record available.
Inventors
- 👤 James G Marsden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:19
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF PHOSPHORUS CONTAINING ORGANOSILICON COMPOUNDS IN WHICH THE PHOSPHORUS IS INTERCONNECTED TO SILICON THROUGH A DIVALENT SATURATED HYDROCARBON GROUP SELECTED FROM THE CLASS CONSISTING OF SATURATED ALIPHATIC AND ALICYCLIC HYDROCARBON GROUPS WHICH COMPRISES (1) FORMING A MIXTURE OF A FREE RADICAL FORMING CATALYST AND AN ORGANOSILICON COMPOUND CONTAINING AT LEAST ONE SILICON ATOM AND AT LEAST ONE SILICON-BONDED ETHYLENICALLY UNSATURATED GROUP SELECTED FROM THE CLASS CONSISTING OF THEYLENICALLY UNSATURATED ALIPHATIC AND ALICYCLIC HYDROCARBON GROUPS, EACH SILICON ATOM BEING BONDED TO FORM 1 TO 3 CARBON ATOMS, EACH OF SAID OXYGEN ATOMS BEING BONDED TO AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF SILICON AND CARBON OF A MONOVALENT HYDROCARBON GROUP AND EACH REMAINING UNFILLED VALENCE OF EACH SILICON ATOM BEING SATISFIED BY A GROUP SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON GROUP AND HALOGENATED MONOVALENT HYDROCARBON GROUPS AND ADDING SAID MIXTURE TO (2) A PHOSPHORUS COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
156 words
AN IMPROVED PROCESS FOR THE PRODUCTION OF PHOSPHORUS CONTAINING ORGANOSILICON COMPOUNDS IN WHICH THE PHOSPHORUS IS INTERCONNECTED TO SILICON THROUGH A DIVALENT SATURATED HYDROCARBON GROUP SELECTED FROM THE CLASS CONSISTING OF SATURATED ALIPHATIC AND ALICYCLIC HYDROCARBON GROUPS WHICH COMPRISES (1) FORMING A MIXTURE OF A FREE RADICAL FORMING CATALYST AND AN ORGANOSILICON COMPOUND CONTAINING AT LEAST ONE SILICON ATOM AND AT LEAST ONE SILICON-BONDED ETHYLENICALLY UNSATURATED GROUP SELECTED FROM THE CLASS CONSISTING OF THEYLENICALLY UNSATURATED ALIPHATIC AND ALICYCLIC HYDROCARBON GROUPS, EACH SILICON ATOM BEING BONDED TO FORM 1 TO 3 CARBON ATOMS, EACH OF SAID OXYGEN ATOMS BEING BONDED TO AN ELEMENT SELECTED FROM THE CLASS CONSISTING OF SILICON AND CARBON OF A MONOVALENT HYDROCARBON GROUP AND EACH REMAINING UNFILLED VALENCE OF EACH SILICON ATOM BEING SATISFIED BY A GROUP SELECTED FROM THE CLASS CONSISTING OF MONOVALENT HYDROCARBON GROUP AND HALOGENATED MONOVALENT HYDROCARBON GROUPS AND ADDING SAID MIXTURE TO (2) A PHOSPHORUS COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2843615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |