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US2664429A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for manufacturing polymerized fatty acids

Assignee: Emery Oleochemicals LLC
•
Filing: 1949-08-15
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Granted: 1953-12-29
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Expires: 1969-08-15
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Abstract

No abstract record available.

Inventors

  • 👤 Charles G Goebel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 00:02
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.

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

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