US2631121A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hypochlorite sweetening process
Assignee: Standard Oil Development Co
•
Filing: 1949-08-13
•
Granted: 1953-03-10
•
Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Norman F Linn
- 👤 Arthur K Scott
- 👤 Walter H Rupp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:27
CPC Classifications
C; C10; C10G; C10G27/00; C10G27/02; C10G19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A SWEETENING PROCESS IN WHICH HYDROCARBONS ARE CONTRACTED IN SWEETENING ZONE WITH A SWEETENING SOLUTION HAVING A HYPOCHLORITE CONTENT OF ABOUT 1 TO 12 GRAMS PER LITER, A SODIUM HYDROXIDE CONTENT OF ABOUT 100 TO 300 GRAMS PER LITER, AND A SODIUM CHLORIDE CONTENT OF ABOUT 50 TO 100 GRAMS PER LITER, SAID SWEETENING SOLUTION BEING MAINTAINED TO HAVE THIS COMPOSITION BY SUBSTANTIALLY CONSTANT RECIRCULATION THROUGH THE SAID SWEETENING ZONE, WHILE WITHDRAWING CONSTANTSPENT SWEETENING SOLUTION SUBSTANTIALLY CONSTANTLY CHARACTERIZED BY CONTAINING ABOUT 100 GRAMS PER LITER OF SODIUM CHLORIDE, AND WHILE INTRODUCING FRESH SWEETENING SOLUTION SUBSTANTIALLY CONSTANTLY TO THE SAID SWEETENING ZONE, SAID FRESH SWEETENING SOLUTION HAVING ABOUT 1 TO 12 GRAMS OF HYPOCHLORITE PER LITER, A SODIUM, HYDROXIDE CONTENT OF ABOUT 100 TO 300 GRAMS PER LITER, AND A SODIUM CHLORIDE CONTENT OF ABOUT 50 GRAMS PER LITER.
Claim 2
Dependent Claim
138 words
A SWEETENING PROCESS IN WHICH HYDROCARBONS ARE CONTRACTED IN SWEETENING ZONE WITH A SWEETENING SOLUTION HAVING A HYPOCHLORITE CONTENT OF ABOUT 1 TO 12 GRAMS PER LITER, A SODIUM HYDROXIDE CONTENT OF ABOUT 100 TO 300 GRAMS PER LITER, AND A SODIUM CHLORIDE CONTENT OF ABOUT 50 TO 100 GRAMS PER LITER, SAID SWEETENING SOLUTION BEING MAINTAINED TO HAVE THIS COMPOSITION BY SUBSTANTIALLY CONSTANT RECIRCULATION THROUGH THE SAID SWEETENING ZONE, WHILE WITHDRAWING CONSTANTSPENT SWEETENING SOLUTION SUBSTANTIALLY CONSTANTLY CHARACTERIZED BY CONTAINING ABOUT 100 GRAMS PER LITER OF SODIUM CHLORIDE, AND WHILE INTRODUCING FRESH SWEETENING SOLUTION SUBSTANTIALLY CONSTANTLY TO THE SAID SWEETENING ZONE, SAID FRESH SWEETENING SOLUTION HAVING ABOUT 1 TO 12 GRAMS OF HYPOCHLORITE PER LITER, A SODIUM, HYDROXIDE CONTENT OF ABOUT 100 TO 300 GRAMS PER LITER, AND A SODIUM CHLORIDE CONTENT OF ABOUT 50 GRAMS PER LITER.
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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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |