US2721166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of distillates with hypochlorite solution
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-10-23
•
Granted: 1955-10-18
•
Expires: 1972-10-23
Abstract
No abstract record available.
Inventors
- 👤 Harold W Earhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:19
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/02; C10G27/00; C10G27/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
135 words
A METHOD FOR TREATING A SOUR HYDROCARBON DISTILLATE BOILING BELOW 750* F. WHICH COMPRISES CONTACTING SAID DISTILLATE WITH AN AQUEOUS HYPOCHLORITE SOLUTION WHEREBY ACIDIC CHLORINATED COMPOUNDS ARE FORMED, SEPARATING SAID CONTACTED DISTILLATE FROM SAID HYPOCHLORITE SOLUTION, TREATING SAID CONTACTED DISTILLATE WITH A SOLUTION CONSISTING OF WATER, ALKALI METAL HYDROXIDE AND AN ALKALI METAL MERCAPIDE SELECTED FROM THE GROUP CONSISTING OF AROMATIC MERCAPTIDES AND ALIPHATIC MERCAPTIDES HAVING NO MORE THAN 4 CARBON ATOMS IN THE MOLECULE FOR A SUFFICIENT LENGTH OF TIME TO CONVERT ACIDIC CHLORINATED COMPOUNDS IN SAID CONTACTED DISTILLATE AND TO FORM DISULFIDES IN SAID TREATED DISTILLATE AND IN SAID SOLUTION ALKALI METAL CHLORIDE, SEPARATING SAID TREATED DISTILLATE FROM SAID AQUEOUS SOLUTION CONTAINING ALKALI METAL CHLORIDE AND EMPLOYING SAID SEPARATED SOLUTION TO CONTACT ADDITIONAL QUANTITIES OF SAID HYPOCHLORITE TREATED DISTILLATE CONTAINING ACIDIC CHLORINATED COMPOUNDS
References Cited (Backward Citations)
US2581117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |