Patent US2958703A successfully refreshed from Google Patents.
US2958703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organometal compounds
Assignee: Phillips Petroleum Co
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Filing: 1955-11-28
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Granted: 1960-11-01
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Expires: 1975-11-28
Abstract
No abstract record available.
Inventors
- 👤 Nowlin Gene
- 👤 Harold D Lyons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:36
CPC Classifications
C; C07; C07F; C07F3/00; C07F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A CONTINUOUS PROCESS FOR THE PREPARATION OF AN ORGANOMETAL CORRESPONDING TO THE FORMULA MRX, WHEREIN M IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, BERYLLIUM, INDIUM, AND THALLIUM, R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL, A CYCLOALKY RADICAL, AN ARYL RADICAL AND COMBINATIONS OF TH RADICALS, AND X IS EQUAL TO THE VALENCE OF THE METAL M, WHICH COMPRISES CONTINUOUSLY INTRODUCING INTO A FIRST REACTION ZONE ONE OF SAID METALS M AND AN ORGANIC HALIDE CORRESPONDING TO THE FROMULA RX, WHWREIN R IS AS INDICATED ABOVE AND X IS A HALOGEN, THE AMOUNT OF SAID ORGANIC HALIDE SO INTRODUCED BEING IN EXCESS OF THAT TO BE REACTED WITH SAID METAL M IN SAID FIRST REACTION ZONE AND SAID EXCESS OF SAID ORGANIC HALIDE BEING SUFFICIENT FOR THE REACTION OCCURRING IN A SECOND REACTION AS HEREINAFTER DESCRIBED, REACTING SAID METAL M WITH SAID ORGANIC HALIDE IN SAID FIRST REACTION ZONE UNDER REACTION CONDITIONS SO AS TO PROVIDE REACTION MIXTURE COMPRISING AN ORGANOMETAL HALIDE OF ONE OF SAID METALS M AND SAID ORGANIC HALIDE, CONTINUOUSLY WITHDRAWING SAID REACTION MIXTURE FROM SAID FIRST REACTION ZONE, SEPARATING
Claim 2
Dependent Claim
192 words
A CONTINUOUS PROCESS FOR THE PREPARATION OF AN ORGANOMETAL CORRESPONDING TO THE FORMULA MRX, WHEREIN M IS A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, GALLIUM, BERYLLIUM, INDIUM, AND THALLIUM, R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALKYL RADICAL, A CYCLOALKY RADICAL, AN ARYL RADICAL AND COMBINATIONS OF TH RADICALS, AND X IS EQUAL TO THE VALENCE OF THE METAL M, WHICH COMPRISES CONTINUOUSLY INTRODUCING INTO A FIRST REACTION ZONE ONE OF SAID METALS M AND AN ORGANIC HALIDE CORRESPONDING TO THE FROMULA RX, WHWREIN R IS AS INDICATED ABOVE AND X IS A HALOGEN, THE AMOUNT OF SAID ORGANIC HALIDE SO INTRODUCED BEING IN EXCESS OF THAT TO BE REACTED WITH SAID METAL M IN SAID FIRST REACTION ZONE AND SAID EXCESS OF SAID ORGANIC HALIDE BEING SUFFICIENT FOR THE REACTION OCCURRING IN A SECOND REACTION AS HEREINAFTER DESCRIBED, REACTING SAID METAL M WITH SAID ORGANIC HALIDE IN SAID FIRST REACTION ZONE UNDER REACTION CONDITIONS SO AS TO PROVIDE REACTION MIXTURE COMPRISING AN ORGANOMETAL HALIDE OF ONE OF SAID METALS M AND SAID ORGANIC HALIDE, CONTINUOUSLY WITHDRAWING SAID REACTION MIXTURE FROM SAID FIRST REACTION ZONE, SEPARATING
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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |