Patent US3293292A successfully refreshed from Google Patents.
US3293292A
Expired / Lapsed
US
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Butane oxidation
Assignee: Union Oil Company of California
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Filing: 1966-04-22
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Granted: 1966-12-20
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Expires: 1986-04-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth L Olivier
- 👤 William D Schaeffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:20
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE OXIDATION OF NORMAL BUTANE TO ACETIC ACID WHICH COMPRISES CONTACTING A HYDROCARBON CONSISTING ESSENTIALLY OF NORMAL BUTANE WITH OXYGEN IN A LIQUID PHASE REACTION ZONE IN THE PRESENCE OF AN ORGANIC REACTION SOLVENT INERT TO SAID OXIDATION CONTAINING CATALYTIC AMOUNTS OF BROMINE BETWEEN ABOUT 0.005 AND ABOUT 0.10 MOLAL OF A COBALT SALT SOLUBLE IN SAID REACTION SOLVENT AND BETWEEN ABOUT 0.005 AND ABOUT 0.10 MOLAL OF A MANGANESE SALT SOLUBLE IN SAID ORGANIC REACTION SOLVENT AT A TEMPERATURE BETWEEN ABOUT 150* AND 450* F. AND SUFFICIENT PRESSURE TO MAINTAN SAID ORGANIC REACTION SOLVENT IN LIQUID PHASE.
Claim 2
Dependent Claim
98 words
THE OXIDATION OF NORMAL BUTANE TO ACETIC ACID WHICH COMPRISES CONTACTING A HYDROCARBON CONSISTING ESSENTIALLY OF NORMAL BUTANE WITH OXYGEN IN A LIQUID PHASE REACTION ZONE IN THE PRESENCE OF AN ORGANIC REACTION SOLVENT INERT TO SAID OXIDATION CONTAINING CATALYTIC AMOUNTS OF BROMINE BETWEEN ABOUT 0.005 AND ABOUT 0.10 MOLAL OF A COBALT SALT SOLUBLE IN SAID REACTION SOLVENT AND BETWEEN ABOUT 0.005 AND ABOUT 0.10 MOLAL OF A MANGANESE SALT SOLUBLE IN SAID ORGANIC REACTION SOLVENT AT A TEMPERATURE BETWEEN ABOUT 150* AND 450* F. AND SUFFICIENT PRESSURE TO MAINTAN SAID ORGANIC REACTION SOLVENT IN LIQUID PHASE.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |