US2598034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization of hydrocarbon gases
Assignee: Universal Oil Products Co
•
Filing: 1949-01-19
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Granted: 1952-05-27
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Expires: 1969-01-19
Abstract
No abstract record available.
Inventors
- 👤 Kenneth M Brown
- 👤 Clarence G Gerhold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:11
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C10G21/08; C07; C07C; C07C7/00; C07C7/11
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
A PROCESS FOR DESULFURIZING A HYDROCARBON GAS STREAM CONTAINING MERCAPTAN WHICH COMPRISES CONTACTING SAID GAS STREAM WITH A MERCAPTAN SOLVENT COMPRISES DISULFIDES, SEPARATING THE RESULTANT MERCAPTAN-CONTAINING SOLVENT FROM THE DESULFURIZED GAS, CONVERTING THE MERCAPTANS IN THE SOLVENT TO DISULFIDES, AND SUPPLYING AT LEAST A PORTION OF THE LATTER TO THE AFORESAID CONTACTING STEP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-27 | 1955-11-26 | 1956-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-27 | 1959-11-26 | 1960-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-27 | 1963-11-26 | 1964-05-27 | $7700.00 | Window Closed / Lapsed |