US2550091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercaptan removal from hydrocarbons
Assignee: Standard Oil Co
•
Filing: 1948-08-11
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Granted: 1951-04-24
•
Expires: 1968-08-11
Abstract
No abstract record available.
Inventors
- 👤 James E Seebold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:55
CPC Classifications
C; C10; C10G; C10G19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A PROCESS FOR REMOVING MERCAPTANS FROM A MERCAPTAN-CONTAINING LOWER ALIPHATIC ALCOHOL OBTAINED BY DISTILLATION FROM A CAUSTIC-ALKALI SOLUTION SPENT IN DESULFURIZING A SOUR PETROLEUM HYDROCARBON WHICH COMPRISES FRACTIONALLY DISTILLING SAID MERCAPTAN-CONTAINING LOWER ALIPHATIC ALCOHOL IN CONTACT WITH AN OXIDIZING GAS STREAM
Claim 2
Dependent Claim
41 words
A PROCESS FOR REMOVING MERCAPTANS FROM A MERCAPTAN-CONTAINING LOWER ALIPHATIC ALCOHOL OBTAINED BY DISTILLATION FROM A CAUSTIC-ALKALI SOLUTION SPENT IN DESULFURIZING A SOUR PETROLEUM HYDROCARBON WHICH COMPRISES FRACTIONALLY DISTILLING SAID MERCAPTAN-CONTAINING LOWER ALIPHATIC ALCOHOL IN CONTACT WITH AN OXIDIZING GAS STREAM
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) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |