US3072703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of organo and inorgano phosphorus complexes suitable for sulfating and sulfonating organic compounds
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1959-04-01
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Granted: 1963-01-08
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Expires: 1979-04-01
Abstract
No abstract record available.
Inventors
- 👤 Albin F Turbak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:14
CPC Classifications
C; C01; C01B; C01B25/00; C07; C07B; C07B45/00; C07B45/02; C07C; C07C303/00; C07C303/02; C07C303/04; C07C303/06; C07C303/24; C07F; C07F7/00; C07F7/28; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/28; C08; C08F; C08F8/00; C08F8/44; C08F2800/00; C08F2800/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR THE PRODUCTION OF COMPOSITIONS OF MATTER WHICH COMPRISES COMBINING A SUBSTANCE CONTAINING AVAILABLE SULFUR TROIXIDE SELECTED FROM THE GROUP CONSISTING OF SULFUR TRIOXIDE, CHLOROSULFONIC ACID AND OLEUM WITH LESS THAN AN EQUIMOLAR AMOUNT, BASED ON AVAILABLE SULFUR TRIOXIDE, OF AN ORGANIC PHOSPHOROUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PENTAVALENT PHOSPHOROUS COMPOUNDS CONTAINING A PHOSPHORYL FUNCTION AND TRIVALENT PHOSPHORUS COMPOUNDS CONTAINING A FREE ELECTRON PAIR FUNCTION, SAID COMPOSITION CONSTITUTING A SULFUR TRIOXIDE-PHOSPHORUS COMPOUND COMPLEX CONTAINING FROM ONE TO TWELVE MOLES OF SULFUR TRIOXIDE PER MOL OF PHOSPHORUS COMPOUND WHICH COMPLEX IS CAPABLE OF SULFATING AND SULFONATING ORGANIC COMPOUNDS AT TEMPERATURES UP TO ABOUT 100* C. WITHOUT CHARRING.
Claim 2
Dependent Claim
110 words
A PROCESS FOR THE PRODUCTION OF COMPOSITIONS OF MATTER WHICH COMPRISES COMBINING A SUBSTANCE CONTAINING AVAILABLE SULFUR TROIXIDE SELECTED FROM THE GROUP CONSISTING OF SULFUR TRIOXIDE, CHLOROSULFONIC ACID AND OLEUM WITH LESS THAN AN EQUIMOLAR AMOUNT, BASED ON AVAILABLE SULFUR TRIOXIDE, OF AN ORGANIC PHOSPHOROUS COMPOUND SELECTED FROM THE GROUP CONSISTING OF PENTAVALENT PHOSPHOROUS COMPOUNDS CONTAINING A PHOSPHORYL FUNCTION AND TRIVALENT PHOSPHORUS COMPOUNDS CONTAINING A FREE ELECTRON PAIR FUNCTION, SAID COMPOSITION CONSTITUTING A SULFUR TRIOXIDE-PHOSPHORUS COMPOUND COMPLEX CONTAINING FROM ONE TO TWELVE MOLES OF SULFUR TRIOXIDE PER MOL OF PHOSPHORUS COMPOUND WHICH COMPLEX IS CAPABLE OF SULFATING AND SULFONATING ORGANIC COMPOUNDS AT TEMPERATURES UP TO ABOUT 100* C. WITHOUT CHARRING.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |