US3099690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organic phosphorus compounds from phosphorus, an alkyl halide, and anorgano-magnesium halide
Assignee: Wyeth Holdings LLC
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Filing: 1962-07-24
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Granted: 1963-07-30
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Expires: 1982-07-24
Abstract
No abstract record available.
Inventors
- 👤 Michael M Rauhut
- 👤 Andrew M Semsel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:30
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/505
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A METHOD WHICH COMPRISES (A) BRINGING INTO REACTIVE CONTACT, IN THE PRESENCE OF AN INERT ORGANIC SOLVENT, ELEMENTAL PHOSPHORUS, AN ALKYL HALIDE AND AN ORGANOMANGNESIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF MONO-NUCLEAR ARYL MAGNESIUM HALIDE, DI-NUCLEAR ARYL MAGNESIUM HALIDE, SUBSTITUTED MONO-NUCLEAR ARYL MAGNESIUM HAIDE, SUBSTITUTED DI-NUCLEAR ARYL MAGNESIUM HALIDE, ALKYL MAGNESIUM HALIDE, AND CYCLOALKYL MAGNESIUM HALIDE, SAID SUBSTITUENTS FOR THE MONO- AND DI-NUCLEAR ARYL MAGNESIUM MOIETIES, ALKYL MAGNESIUM MOIETIES AND CYCLOALKYL MAGNESIUM MOIETIES BEING SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND LOWER ALKOXY, AND SAID ALKYL MOIETIES OF THE ORGANOMAGNESIUM HALIDE REACTANT HEREINABOVE HAVING FROM 1 TO 12 CARBON ATOMS, AND (B) RECOVERING THE RESULTING CORRESPONDING ORGANOPHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSITING OF TERTIARY ARYLALKYL PHOSPHINE, TETIRARY ALKYL PHOSPHINE, AND TERTIARY CYCLOALKYL PHOSPHINE, TETRA-SUBSTIUTED PHOSPHONIUM SALTS THEREOF, AND TETRALKYLCYCLOTETRAPHOSPHINE.
Claim 2
Independent Claim
132 words
A METHOD WHICH COMPRISES (A) BRINGING INTO REACTIVE CONTACT, IN THE PRESENCE OF AN INERT ORGANIC SOLVENT, ELEMENTAL PHOSPHORUS, AN ALKYL HALIDE AND AN ORGANOMANGNESIUM HALIDE SELECTED FROM THE GROUP CONSISTING OF MONO-NUCLEAR ARYL MAGNESIUM HALIDE, DI-NUCLEAR ARYL MAGNESIUM HALIDE, SUBSTITUTED MONO-NUCLEAR ARYL MAGNESIUM HAIDE, SUBSTITUTED DI-NUCLEAR ARYL MAGNESIUM HALIDE, ALKYL MAGNESIUM HALIDE, AND CYCLOALKYL MAGNESIUM HALIDE, SAID SUBSTITUENTS FOR THE MONO- AND DI-NUCLEAR ARYL MAGNESIUM MOIETIES, ALKYL MAGNESIUM MOIETIES AND CYCLOALKYL MAGNESIUM MOIETIES BEING SELECTED FROM THE GROUP CONSISTING OF HALOGEN AND LOWER ALKOXY, AND SAID ALKYL MOIETIES OF THE ORGANOMAGNESIUM HALIDE REACTANT HEREINABOVE HAVING FROM 1 TO 12 CARBON ATOMS, AND (B) RECOVERING THE RESULTING CORRESPONDING ORGANOPHOSPHORUS COMPOUND SELECTED FROM THE GROUP CONSITING OF TERTIARY ARYLALKYL PHOSPHINE, TETIRARY ALKYL PHOSPHINE, AND TERTIARY CYCLOALKYL PHOSPHINE, TETRA-SUBSTIUTED PHOSPHONIUM SALTS THEREOF, AND TETRALKYLCYCLOTETRAPHOSPHINE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |