Patent US2867887A successfully refreshed from Google Patents.
Patent US3143577A successfully refreshed from Google Patents.
US3143577A
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Preparation of a halogen containing organo-magnesium material
Assignee: National Research Development Corp UK
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Filing: 1960-04-27
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Granted: 1964-08-04
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Expires: 1980-04-27
Abstract
No abstract record available.
Inventors
- 👤 Bryce-Smith Derek
- 👤 Blues Ernest Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:52
CPC Classifications
C; C08; C08F; C08F4/00; C08F4/06; C08F4/12; C07; C07F; C07F3/00; C07F3/02; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS FOR THE PREPARATION OF A HALOGEN CONTAINING ORGANO-MAGNESIUM MATERIAL WHICH PROCESS COMPRISES CONTACTING AN ORGANIC HALIDE SELECTED FROM THE CLASS CONSISTING OF ARYL-, ALKARYL-, ARALKYL- AND PRIMARY AND SECONDARY ALKYL- SATURATED HYDROCARBON MONOHALIDES AND SATURATED ALKOXYARYL MONOHALIDES AND METALLIC MAGNESIUM TOGETHER IN THE PRESENCE OF A METAL ALCOHOLATE SELECTED FROM THE CLASS CONSISTING OF MAGNESIUM AND ALUMINUM ALCOHOLATES OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, ETHANOL, ISOPROPANOL, TERTIARY BUTANOL, LAURYL ALCOHOL, ETHYLENE GLYCOL, PHENOL, 2-ETHOXY ETHANOL, 2-METHOXY ETHANOL AND DIACETONYL ALCOHOL, THE AMOUNT OF ALCOHOLATE PRESENT IN THE SOLUTION AND THE TEMPERATURE BEING SUCH THAT THE ALCOHOLATE CATALYSES CONSUMPTION OF THE HALIDE BY REACTION WITH THE MAGNESIUM TO YIELD A HALOMAGNESIUM DERIVATIVE OF THE HALIDE AS A REACTION PRODUCT WHICH IS STABLE IN THE REACTION MIXTURE.
Claim 2
Dependent Claim
131 words
A PROCESS FOR THE PREPARATION OF A HALOGEN CONTAINING ORGANO-MAGNESIUM MATERIAL WHICH PROCESS COMPRISES CONTACTING AN ORGANIC HALIDE SELECTED FROM THE CLASS CONSISTING OF ARYL-, ALKARYL-, ARALKYL- AND PRIMARY AND SECONDARY ALKYL- SATURATED HYDROCARBON MONOHALIDES AND SATURATED ALKOXYARYL MONOHALIDES AND METALLIC MAGNESIUM TOGETHER IN THE PRESENCE OF A METAL ALCOHOLATE SELECTED FROM THE CLASS CONSISTING OF MAGNESIUM AND ALUMINUM ALCOHOLATES OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF METHANOL, ETHANOL, ISOPROPANOL, TERTIARY BUTANOL, LAURYL ALCOHOL, ETHYLENE GLYCOL, PHENOL, 2-ETHOXY ETHANOL, 2-METHOXY ETHANOL AND DIACETONYL ALCOHOL, THE AMOUNT OF ALCOHOLATE PRESENT IN THE SOLUTION AND THE TEMPERATURE BEING SUCH THAT THE ALCOHOLATE CATALYSES CONSUMPTION OF THE HALIDE BY REACTION WITH THE MAGNESIUM TO YIELD A HALOMAGNESIUM DERIVATIVE OF THE HALIDE AS A REACTION PRODUCT WHICH IS STABLE IN THE REACTION MIXTURE.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |