US2602770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for desulfurizing hydrocarbons using a mixture of boron trifluoride and an alkane sulfonic acid as reagent
Assignee: Standard Oil Co
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Filing: 1950-05-23
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Granted: 1952-07-08
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Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Carl E Johnson
- 👤 Arthur P Lien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:07
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/12; C10G21/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF DESULFURIZING A SULFUR-BEARING HYDROCARBON MATERIAL WHICH COMPRISES CONTACTING SAID MATERIAL WITH A BF3-HYDROCARBON SULFONIC ACID MIXTURE IN AN AMOUNT SUFFICIENT AT LEAST TO FORM A SEPARATE LIQUID PHASE, AND SEPARATING A REFINED HYDROCARBON MATERIAL AND AN EXTRACT PHASE COMPRISING BF3, HYDROCARBON SULFONIC ACID AND A SULFUR COMPOUND.
Claim 2
Independent Claim
50 words
THE METHOD OF DESULFURIZING A SULFUR-BEARING HYDROCARBON MATERIAL WHICH COMPRISES CONTACTING SAID MATERIAL WITH A BF3-HYDROCARBON SULFONIC ACID MIXTURE IN AN AMOUNT SUFFICIENT AT LEAST TO FORM A SEPARATE LIQUID PHASE, AND SEPARATING A REFINED HYDROCARBON MATERIAL AND AN EXTRACT PHASE COMPRISING BF3, HYDROCARBON SULFONIC ACID AND A SULFUR COMPOUND.
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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |