US2868827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing triorganophosphates
Assignee: Union Carbide Corp
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Filing: 1956-09-06
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Granted: 1959-01-13
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Expires: 1976-09-06
Abstract
No abstract record available.
Inventors
- 👤 Michael J O'connor
- 👤 William K Detweiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:18
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A PROCESS FOR PRODUCING TRIORGANO-PHOSPHATES THAT ARE REPRESENTED BY THE FORMULA, (R"O)3PO WHEREIN R"O IS A GROUP SELECTED FROM THE GROUP CONSISTING OF PHENOXY GROUPS CONTAINING FROM 0 TO 3 ALKYL SUBSTITUENTS, SAID ALKYL SUBSTITUENTS CONTAINING FROM 1 TO 4 CARBON ATOMS, AND R''CH2O GROUPS WHEREIN R'' IS AN ALKYL GROUP CONTAINING FROM 3 TO 12 CARBON ATOMS, WHICH COMPRISES FORMING A MIXTURE OF AN ORGANIC HYDROXYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCHOLS THAT ARE REPRESENTED BY THE FORMULA R''CH2OH, AND PHENOLS CONTAINING FROM 0 TO 3 ALKYL SUBSTITUENTS, SAID ALKYL SUBSTITUENTS CONTAINING FROM 1 TO 4 CARBON ATOMS, PHOSPHORUS OXYCHLORIDE AND A CATALYTIC AMOUNT OF TITANIUM TETRACHLORIDE, SAID CATALYTIC AMOUNT BEING AT LEAST 0.01% OF THE COMBINED WEIGHTS OF SAID ORGANIC HYDROXYL COMPOUND, PHOSPHORUS OXYCHLORIDE AND TITANIUM TETRACHLORIDE AND HEATING THE MIXTURE TO CAUSE THE ORGANIC HYDROXYL COMPOUND AND THE PHOSPHORUS OXYCHLORIDE TO REACT TO PRODUCE A TRIORGANO-PHOSPHATE THAT IS REPRESENTED BY THE FORMULA (R"O)3PO.
Claim 2
Dependent Claim
158 words
A PROCESS FOR PRODUCING TRIORGANO-PHOSPHATES THAT ARE REPRESENTED BY THE FORMULA, (R"O)3PO WHEREIN R"O IS A GROUP SELECTED FROM THE GROUP CONSISTING OF PHENOXY GROUPS CONTAINING FROM 0 TO 3 ALKYL SUBSTITUENTS, SAID ALKYL SUBSTITUENTS CONTAINING FROM 1 TO 4 CARBON ATOMS, AND R''CH2O GROUPS WHEREIN R'' IS AN ALKYL GROUP CONTAINING FROM 3 TO 12 CARBON ATOMS, WHICH COMPRISES FORMING A MIXTURE OF AN ORGANIC HYDROXYL COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCHOLS THAT ARE REPRESENTED BY THE FORMULA R''CH2OH, AND PHENOLS CONTAINING FROM 0 TO 3 ALKYL SUBSTITUENTS, SAID ALKYL SUBSTITUENTS CONTAINING FROM 1 TO 4 CARBON ATOMS, PHOSPHORUS OXYCHLORIDE AND A CATALYTIC AMOUNT OF TITANIUM TETRACHLORIDE, SAID CATALYTIC AMOUNT BEING AT LEAST 0.01% OF THE COMBINED WEIGHTS OF SAID ORGANIC HYDROXYL COMPOUND, PHOSPHORUS OXYCHLORIDE AND TITANIUM TETRACHLORIDE AND HEATING THE MIXTURE TO CAUSE THE ORGANIC HYDROXYL COMPOUND AND THE PHOSPHORUS OXYCHLORIDE TO REACT TO PRODUCE A TRIORGANO-PHOSPHATE THAT IS REPRESENTED BY THE FORMULA (R"O)3PO.
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) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |