US3332971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting cobaltous acetate or cobaltous propionate to the cobaltous salt of 2-ethylhexanoic acid or the cobaltous salt of naphthenic acids
Assignee: Gulf Research and Development Co
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Filing: 1963-05-02
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Granted: 1967-07-25
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Expires: 1983-05-02
Abstract
No abstract record available.
Inventors
- 👤 Harry J Elder
- 👤 Bernard H Gwynn
- 👤 John V Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:42
CPC Classifications
C; C07; C07F; C07F15/00; C07F15/06; C07F15/065; C07C; C07C51/00; C07C51/41; C07C51/412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A PROCESS FOR CNVERTING A COBALT COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTOUS ACETATE AND COBALTOUS PROPIONATE TO A COBALTOUS SALT SELECTED FROM THE GROUP CONSISTING OF THE COBALTOUS SALT OF 2-ETHYLHEXANOIC ACID AND THE COBALTOUS SALT OF NAPHTHENIC ACIDS WHICH CONSISTS IN THE STEPS OF REACTING A COBALT COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTOUS ACETATE AND COBALTOUS PROPIONATE WITH A SALT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALT OF 2ETHYLHEXANOIC ACID AND THE ALKALI METAL SALT OF NAPHTHENIC ACICS IN AN AQUEOUS SOLUTION WHILE MAINTAINING THE PH OF SAID AQUEOUS SOLUTION THROUGHOUT THE REACTION PERIOD WITHIN A RANGE OF ABOUT 6.5 TO ABOUT 7.5 AND SIMULTANEOUSLY TAKING UP, WHILE VIGOROUSLY STIRRING, THE COBALTOUS SALTS SO FORMED IN A LIQUID HYDROCARBON.
Claim 2
Dependent Claim
127 words
A PROCESS FOR CNVERTING A COBALT COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTOUS ACETATE AND COBALTOUS PROPIONATE TO A COBALTOUS SALT SELECTED FROM THE GROUP CONSISTING OF THE COBALTOUS SALT OF 2-ETHYLHEXANOIC ACID AND THE COBALTOUS SALT OF NAPHTHENIC ACIDS WHICH CONSISTS IN THE STEPS OF REACTING A COBALT COMPOUND SELECTED FROM THE GROUP CONSISTING OF COBALTOUS ACETATE AND COBALTOUS PROPIONATE WITH A SALT SELECTED FROM THE GROUP CONSISTING OF THE ALKALI METAL SALT OF 2ETHYLHEXANOIC ACID AND THE ALKALI METAL SALT OF NAPHTHENIC ACICS IN AN AQUEOUS SOLUTION WHILE MAINTAINING THE PH OF SAID AQUEOUS SOLUTION THROUGHOUT THE REACTION PERIOD WITHIN A RANGE OF ABOUT 6.5 TO ABOUT 7.5 AND SIMULTANEOUSLY TAKING UP, WHILE VIGOROUSLY STIRRING, THE COBALTOUS SALTS SO FORMED IN A LIQUID HYDROCARBON.
References Cited (Backward Citations)
US2751403A
Cited
US2822409A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |