Patent US3047607A successfully refreshed from Google Patents.
US3047607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boron containing phosphorus esters and process for preparation
Assignee: Gulf Research and Development Co
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Filing: 1959-06-11
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Granted: 1962-07-31
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Expires: 1979-06-11
Abstract
No abstract record available.
Inventors
- 👤 Helen I Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:28
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A PROCESS COMPRISING REACTING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF PARTIALLY ESTERIFIED ORTHOPHOSPHORIC ACID ESTERS AND THE THIO ANALOGUES THEREOF THAT CONTAIN 1 TO 2 ORGANIC SUBSTITUENTS PER MOLECULE, AT LEAST ONE OF WHICH IS A HYDROCARBON RADICAL CONTAINING 5 TO 22 CARBON ATOMS AND THE OTHER OF WHICH, WHEN PRESENT, IS A HYDROCARBON RADICAL CONTAINING 1 TO 22 CARBON ATOMS, EACH OF SAID HYDROCARBON RADICALS BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, AND ALKENYL RADICALS AND MONOVALENT MONO- AND DINUCLEAR AROMATIC RADICALS, WITH A BORYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, BORIC OXIDE AND AN ANHYDRIDE OF BORIC OXIDE AND AN ALIPHATIC MONOCARBOXYLIC ACID, IN THE RANGE OF ABOUT 0.5 TO ABOUT 6 MOLES OF PHOSPHORIC ACID ESTER PER MOLE OF BORYLATING AGENT UNDER CONDITONS CONDUCIVE TO ANHYDRIDE FORMATION BETWEEN THE BORYLATING AGENT AND THE PHOSPHORIC ACID ESTER.
Claim 2
Dependent Claim
150 words
A PROCESS COMPRISING REACTING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF PARTIALLY ESTERIFIED ORTHOPHOSPHORIC ACID ESTERS AND THE THIO ANALOGUES THEREOF THAT CONTAIN 1 TO 2 ORGANIC SUBSTITUENTS PER MOLECULE, AT LEAST ONE OF WHICH IS A HYDROCARBON RADICAL CONTAINING 5 TO 22 CARBON ATOMS AND THE OTHER OF WHICH, WHEN PRESENT, IS A HYDROCARBON RADICAL CONTAINING 1 TO 22 CARBON ATOMS, EACH OF SAID HYDROCARBON RADICALS BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL, CYCLOALKYL, AND ALKENYL RADICALS AND MONOVALENT MONO- AND DINUCLEAR AROMATIC RADICALS, WITH A BORYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF BORIC ACID, BORIC OXIDE AND AN ANHYDRIDE OF BORIC OXIDE AND AN ALIPHATIC MONOCARBOXYLIC ACID, IN THE RANGE OF ABOUT 0.5 TO ABOUT 6 MOLES OF PHOSPHORIC ACID ESTER PER MOLE OF BORYLATING AGENT UNDER CONDITONS CONDUCIVE TO ANHYDRIDE FORMATION BETWEEN THE BORYLATING AGENT AND THE PHOSPHORIC ACID ESTER.
References Cited (Backward Citations)
US2648696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |