US2812342A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of structurally modified acids and products produced thereby
Assignee: Emery Oleochemicals LLC
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Filing: 1955-04-29
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Granted: 1957-11-05
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Expires: 1975-04-29
Abstract
No abstract record available.
Inventors
- 👤 Robert M Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:12
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/347; C07C51/36
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
104 words
IN THE METHOD OF PRODUCING STRUCTURALLY MODIFIES LIQUID ACIDS BY HEATING UNSTATURED FATTY ACIDS OF 18CARBON CHAIN LENGTHS TO POLYMERIZE A SUBSTANTIAL PORTION THEREOF AND DISTILLING THE UNPOLYMERIZED ACIDS TO REMOVE THEM FROM THE POLYMERIZED ACIDS, THE IMPROVEMENT WHICH COMPRISES TREATING THE DISTILLED UNPOLYMERIZED ACIDS WITH HYDROGEN UNDER PRESSURE IN THE PRESENCE OF AN HYDROGENATION CATALYST TO REDUCE THE IODINE VALUE TO THE RANGE OF ABOUT 3-10, DISSOLVING THE HYDROGENATED ACIDS IN A SOLVENT, CHILLING THE SOLVENT TO PRECIPITATE THE SOLID SATURATED ACIDS, REMOVING THEM BY FILTRATION AND RECOVERING SATURATED 18-CARBON FATTY ACIDS WHICH ARE LIQUID AT ROOM TEMPERATURE BY EVAPORATION OF THE SOLVENT.
Claim 2
Dependent Claim
104 words
IN THE METHOD OF PRODUCING STRUCTURALLY MODIFIES LIQUID ACIDS BY HEATING UNSTATURED FATTY ACIDS OF 18CARBON CHAIN LENGTHS TO POLYMERIZE A SUBSTANTIAL PORTION THEREOF AND DISTILLING THE UNPOLYMERIZED ACIDS TO REMOVE THEM FROM THE POLYMERIZED ACIDS, THE IMPROVEMENT WHICH COMPRISES TREATING THE DISTILLED UNPOLYMERIZED ACIDS WITH HYDROGEN UNDER PRESSURE IN THE PRESENCE OF AN HYDROGENATION CATALYST TO REDUCE THE IODINE VALUE TO THE RANGE OF ABOUT 3-10, DISSOLVING THE HYDROGENATED ACIDS IN A SOLVENT, CHILLING THE SOLVENT TO PRECIPITATE THE SOLID SATURATED ACIDS, REMOVING THEM BY FILTRATION AND RECOVERING SATURATED 18-CARBON FATTY ACIDS WHICH ARE LIQUID AT ROOM TEMPERATURE BY EVAPORATION OF THE SOLVENT.
Claim 3
Dependent Claim
35 words
A NEW COMPOSITION OF MATTER COMPRISISNG STRUCTURALLY MODIFIED FATTY ACIDS HAVING A IODINE VALUE OF SUBSTANTIALLY 3 TO 10, AND A TITRE BELOW 15*C., SAID ACIDS BEING THE PRODUCTS OF THE PROCESS OF CLAIM 1.
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) | 1960-11-04 | 1961-05-06 | 1961-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-04 | 1965-05-06 | 1965-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-04 | 1969-05-06 | 1969-11-05 | $7700.00 | Window Closed / Lapsed |