Patent US3119764A successfully refreshed from Google Patents.
US3119764A
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US
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Assignee: —
•
Filing: —
•
Granted: 1964-01-28
•
Expires: 1981-01-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:40
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/003; B; B01; B01D; B01D3/00; B01D3/14; B01D3/32; B01D3/322; B01D3/34; B01D3/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A METHOD OF REDUCING THE SULFUR CONTENT IN A BOTTOMS PRODUCT FROM A FRACTIONATION COLUMN, SAID FRACTIONATION COLUMN HAVING A FIRST SECTION AND A SECOND SECTION WITH VAPOR PHASE COMMUNICATION THEREBETWEEN, COMPRISING THE STEPS OF WITHDRAWING A PORTION OF LIQUID THEREIN CONTAINED FROM SAID FIRST SECTION AND FROM SAID FRACTIONATION COLUMN, HEATING THE THUS WITHDRAWN PORTION TO A TEMPERATURE AT WHICH SULFUR COMPOUNDS THEREIN WILL DECOMPOSE, THUS DECMPOSING SULFUR COMPOUNDS CONTAINED THEREIN; PASSING THE THUS HEATED PORTION INTO SAID SECOND SECTION, MAINTAINING SAID FIRST SECTION SUBSTANTIALLY
Claim 2
Independent Claim
86 words
A METHOD OF REDUCING THE SULFUR CONTENT IN A BOTTOMS PRODUCT FROM A FRACTIONATION COLUMN, SAID FRACTIONATION COLUMN HAVING A FIRST SECTION AND A SECOND SECTION WITH VAPOR PHASE COMMUNICATION THEREBETWEEN, COMPRISING THE STEPS OF WITHDRAWING A PORTION OF LIQUID THEREIN CONTAINED FROM SAID FIRST SECTION AND FROM SAID FRACTIONATION COLUMN, HEATING THE THUS WITHDRAWN PORTION TO A TEMPERATURE AT WHICH SULFUR COMPOUNDS THEREIN WILL DECOMPOSE, THUS DECMPOSING SULFUR COMPOUNDS CONTAINED THEREIN; PASSING THE THUS HEATED PORTION INTO SAID SECOND SECTION, MAINTAINING SAID FIRST SECTION SUBSTANTIALLY
References Cited (Backward Citations)
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Cited
US1936086A
Cited
US2050329A
Cited
US2357710A
Cited
US2398213A
Cited
US2534173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |