US2514997A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing sulfur and its compounds from nonaromatic hydrocarbon fractions
Assignee: Standard Oil Development Co
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Filing: 1948-06-01
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Granted: 1950-07-11
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Expires: 1968-06-01
Abstract
No abstract record available.
Inventors
- 👤 Clyde M Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:10
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/12; C10G21/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A PROCESS FOR REMOVING SULFUR AND ITS COMPOUNDS FROM A NON-AROMATIC HYDROCARBON FRACTION CONTAINING THEM WHICH COMPRISES CONTACTING THE SULFUR-CONTAINING FRACTION WITH A POLY-OLEFIN GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE BETWEEN 400 AND 4,000 UNDER CONDITIONS TO FORM A RAFFINATE PHASE AND AN EXTRACT PHASE, AND RECOVERING SUBSTANTIALLY SULFUR-FREE HYDROCARBONS FROM SAID RAFFINATE PHASE.
Claim 2
Dependent Claim
56 words
A PROCESS FOR REMOVING SULFUR AND ITS COMPOUNDS FROM A NON-AROMATIC HYDROCARBON FRACTION CONTAINING THEM WHICH COMPRISES CONTACTING THE SULFUR-CONTAINING FRACTION WITH A POLY-OLEFIN GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE BETWEEN 400 AND 4,000 UNDER CONDITIONS TO FORM A RAFFINATE PHASE AND AN EXTRACT PHASE, AND RECOVERING SUBSTANTIALLY SULFUR-FREE HYDROCARBONS FROM SAID RAFFINATE PHASE.
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) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |