US2813878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing epoxidized oils and the like
Assignee: Archer Daniels Midland Co
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Filing: 1955-11-04
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Granted: 1957-11-19
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Expires: 1975-11-04
Abstract
No abstract record available.
Inventors
- 👤 Arvi W Wahlroos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:01
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN THE PROCESS FOR THE EPOXIDATION OF ORGANIC COMPOUNDS CONTAINING A LONG-CHAIN UNSATURATED ALIPHATIC GROUP SELECTED FROM THE GROUP CONSISTING OF ACIDS, ESTERS AND AMIDES BY HEATING SUCH COMPOUND IN THE PRESENCE OF A CATALYTIC AMOUNT OF SULFURIC ACID TOGETHER WITH ABOUTT ONE-HALF A MOLE OF ACETIC ACID FOR EACH MOLE OF UNSATURATION OF SAID COMPOUND AND ABOUT ONE MOLE OF HYDROGEN PEROXIDE FOR EACH MOLE OF UNSATURATION OF SUCH COMPOUND, THE STEPS OF REMOVING WATER AND WATER SOLUBLE BODIES FROM THE REACTED PRODUCT BY GRAVITY SEPARATION AND USING SUCH AQUEOUS LAYER FOR TREATING ADDITIONAL QUANTITIES OF THE UNSATURATED ORGANIC COMPOUND WITHOUT RESTORING THE PEROXIDE CONTENT TO ITS ORIGINAL PROPORTION RELATIVE TO THE ACETIC ACID.
Claim 2
Dependent Claim
115 words
IN THE PROCESS FOR THE EPOXIDATION OF ORGANIC COMPOUNDS CONTAINING A LONG-CHAIN UNSATURATED ALIPHATIC GROUP SELECTED FROM THE GROUP CONSISTING OF ACIDS, ESTERS AND AMIDES BY HEATING SUCH COMPOUND IN THE PRESENCE OF A CATALYTIC AMOUNT OF SULFURIC ACID TOGETHER WITH ABOUTT ONE-HALF A MOLE OF ACETIC ACID FOR EACH MOLE OF UNSATURATION OF SAID COMPOUND AND ABOUT ONE MOLE OF HYDROGEN PEROXIDE FOR EACH MOLE OF UNSATURATION OF SUCH COMPOUND, THE STEPS OF REMOVING WATER AND WATER SOLUBLE BODIES FROM THE REACTED PRODUCT BY GRAVITY SEPARATION AND USING SUCH AQUEOUS LAYER FOR TREATING ADDITIONAL QUANTITIES OF THE UNSATURATED ORGANIC COMPOUND WITHOUT RESTORING THE PEROXIDE CONTENT TO ITS ORIGINAL PROPORTION RELATIVE TO THE ACETIC ACID.
References Cited (Backward Citations)
US2567930A
Cited
US2485160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |