Patent US2731458A successfully refreshed from Google Patents.
US2731458A
Expired / Lapsed
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Alkylation of yellow phosphorus with olefins
Assignee: ExxonMobil Oil Corp
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Filing: 1952-12-30
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Granted: 1956-01-17
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Expires: 1972-12-30
Abstract
No abstract record available.
Inventors
- 👤 William E Garwood
- 👤 Lyle A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:05
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/50; C07F9/504
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
69 words
A PROCESS FOR PREPARING ORGANIC PHOSPHORUS-CONTAINING REACTION PRODUCTS HAVING THE PROPERTIES BOTH OF A TERTIARY PHOSPHINE AND OF A WEAK ACID AND HAVING PHOSPHORUS TO PHOSPHORUS LINKAGES, WHICH COMPRISES REACTING ETHYLENICALLY-UNSATURATED HYDROCARBON, YELLOW PHOSPHO-RUS, AND AN ORGANIC PEROXIDE, IN A MOLAR PROPORTION OF BETWEEN ABOUT 1:0.001:0.001, RESPECTIVELY, AND ABOUT 1:1:1, RESPECTIVELY, AT A TEMPERATURE OF BETWEEN ABOUT 20* C. AND ABOUT 250* C., AND IN THE ABSENCE OF OXYGEN.
Claim 2
Dependent Claim
69 words
A PROCESS FOR PREPARING ORGANIC PHOSPHORUS-CONTAINING REACTION PRODUCTS HAVING THE PROPERTIES BOTH OF A TERTIARY PHOSPHINE AND OF A WEAK ACID AND HAVING PHOSPHORUS TO PHOSPHORUS LINKAGES, WHICH COMPRISES REACTING ETHYLENICALLY-UNSATURATED HYDROCARBON, YELLOW PHOSPHO-RUS, AND AN ORGANIC PEROXIDE, IN A MOLAR PROPORTION OF BETWEEN ABOUT 1:0.001:0.001, RESPECTIVELY, AND ABOUT 1:1:1, RESPECTIVELY, AT A TEMPERATURE OF BETWEEN ABOUT 20* C. AND ABOUT 250* C., AND IN THE ABSENCE OF OXYGEN.
Claim 3
Dependent Claim
72 words
A PROCESS FOR PREPARING ORGANIC PHOSPHOROUS-CONTAINING REACTION PRODUCTS, WHICH COMPRISES REACTING ETHYLENICALLY-UNSATURATED HYDROCARBON, YELLOW PHOSPHORUS AND AN ORGANIC PEROXIDE, IN A MOLAR PROPORTION OF BETWEEN ABOUT 1:0.001:0.001, RESPECTIVELY, AND ABOUT 1:1:1, RESPECTIVELY AT A TEMPERATURE OF BETWEEN ABOUT 20* C. AND ABOUT 250* C., AND IN THE ABSENCE OF OXYGEN, TO PRODUCE A RESIDUAL PRODUCT, AND SULFURIZING SAID RESIDUAL PRODUCT AT A TEMPERATURE OF BETWEEN ABOUT 120* C. AND ABOUT 18* C.
Claim 4
Dependent Claim
72 words
A PROCESS FOR PREPARING ORGANIC PHOSPHOROUS-CONTAINING REACTION PRODUCTS, WHICH COMPRISES REACTING ETHYLENICALLY-UNSATURATED HYDROCARBON, YELLOW PHOSPHORUS AND AN ORGANIC PEROXIDE, IN A MOLAR PROPORTION OF BETWEEN ABOUT 1:0.001:0.001, RESPECTIVELY, AND ABOUT 1:1:1, RESPECTIVELY AT A TEMPERATURE OF BETWEEN ABOUT 20* C. AND ABOUT 250* C., AND IN THE ABSENCE OF OXYGEN, TO PRODUCE A RESIDUAL PRODUCT, AND SULFURIZING SAID RESIDUAL PRODUCT AT A TEMPERATURE OF BETWEEN ABOUT 120* C. AND ABOUT 18* C.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |