Patent US2664429A successfully refreshed from Google Patents.
US2664429A
Expired / Lapsed
US
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Method for manufacturing polymerized fatty acids
Assignee: Emery Oleochemicals LLC
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Filing: 1949-08-15
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Granted: 1953-12-29
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Expires: 1969-08-15
Abstract
No abstract record available.
Inventors
- 👤 Charles G Goebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:11
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/62; C08F20/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
THE METHOD OF REMOVING POLYUNSATURATED COMPONENTS AS DIMR ACIDS FROM A MIXTURE OF FATTY ACIDS CONTAINING OLYUNSATURATED FATTY ACIDS, SAID PROCESS COMPRISING ESTABLISHING A FLOWING STREAM OF SAID MIXED FATTY ACIDS, ADDING TO SAID FLOWING STREAM SUBSTANTIALLY FROM ONE TO FIVE PER CENT WATER; HEATING SAID FLOWING STREAM TO A TEMPERATURE OF FROM SUBSTANTIALLY 350* TO 400* C., WHILE MAINTAINING A PRESSURE SUFFICIENT TO RETAIN SAID WATER IN SOLUTION IN THE FATTY ACIDS TO INHIBIT DECARBOXYLATION OF SAID FATTY ACIDS, HOLDING SAID STREAM OF FATTY ACIDS AT SAID POLYMERIZING TEMPERATURE FOR A PERIOD OF SUBSTANTIALLY TWENTY MINUTES TO AN HOUR, COOLING SAID STREAM OF FATTY ACIDS TO SUBSTANTIALLY 260* TO 360* C., RELEASING THE PRESSURE ON SAID STREAM OF FATTY ACIDS AND FLASH DISTILLING THE UNPOLYMERIZED COMPONENTS AS DISTILLATE AND RECOVERING THE POLYMERIZED COMPONENTS AS A RESIDUE.
Claim 2
Independent Claim
137 words
THE METHOD OF REMOVING POLYUNSATURATED COMPONENTS AS DIMR ACIDS FROM A MIXTURE OF FATTY ACIDS CONTAINING OLYUNSATURATED FATTY ACIDS, SAID PROCESS COMPRISING ESTABLISHING A FLOWING STREAM OF SAID MIXED FATTY ACIDS, ADDING TO SAID FLOWING STREAM SUBSTANTIALLY FROM ONE TO FIVE PER CENT WATER; HEATING SAID FLOWING STREAM TO A TEMPERATURE OF FROM SUBSTANTIALLY 350* TO 400* C., WHILE MAINTAINING A PRESSURE SUFFICIENT TO RETAIN SAID WATER IN SOLUTION IN THE FATTY ACIDS TO INHIBIT DECARBOXYLATION OF SAID FATTY ACIDS, HOLDING SAID STREAM OF FATTY ACIDS AT SAID POLYMERIZING TEMPERATURE FOR A PERIOD OF SUBSTANTIALLY TWENTY MINUTES TO AN HOUR, COOLING SAID STREAM OF FATTY ACIDS TO SUBSTANTIALLY 260* TO 360* C., RELEASING THE PRESSURE ON SAID STREAM OF FATTY ACIDS AND FLASH DISTILLING THE UNPOLYMERIZED COMPONENTS AS DISTILLATE AND RECOVERING THE POLYMERIZED COMPONENTS AS A RESIDUE.
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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) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |