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US2729659A Expired / Lapsed US ⏱️ 0.0 years remaining

Lard oil and oleo oil

Assignee: Individual
•
Filing: 1952-06-17
•
Granted: 1956-01-03
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Expires: 1972-06-17
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Abstract

No abstract record available.

Inventors

  • 👤 Waldo C Ault
  • 👤 Steward G Morris

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 18:55
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C11C3/123

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 144 words
A PROCESS FOR THE PREPARATION OF RELATIVELY LOW TITER GLYCERIDE FRACTIONS FROM A MATERIAL SELECTED FROM THE CLASS CONSISTING OF ANIMAL FATS AND OILS, COMPRISING SELECTIVELY HYDROGENATING SAID MATERIAL AT A TEMPERATURE OF ABOUT FROM 300* TO 350* F. REDUCE SUBSTANTIALLY ALL OF THE POLYUNSATURATED COMPONENT FATTY ACIDS CONTAINED THEREIN TO EITHER SATURATED OR MONOETHENOIC COMPONENTS WITHOUT SIGNIFICANTLY AFFECTING THE MONOETHENOIC COMPONENT FATTY ACIDS ORIGINALLY PRESENT THEREIN AND THEN SEPARATING THE LOW TITER GLYCERIDE FRACTIONS FROM THE LESS SOLUBLE, HIGHER TITER GPYCERIDE FRACTIONS OF THE GLYCERIDE MIXTURE SO OBTAINED BY CAUSING THE CRYSTALLIZATION OF THE LATTER FRACTIONS AS A SOLID PHASE AND RECOVERING THE LOW TITER COMPONENTS AS A LIQUID, SAID LOW TITER COMPONENTS HAVING INCREASED RESISTANCE TO RANCIDITY WITH RESULTING IMPROVED RESISTANCE TO THE DEVELOPMENT OF UNDESIRABLE ODORS AND GUMMY, STICKLY POLYMERIZATION PRODUCTS, AND HAVING ALSO, IMPROVED RESISTANCE TO OIL AND FLAVOR DETERIORATION.
Claim 2
Dependent Claim 144 words
A PROCESS FOR THE PREPARATION OF RELATIVELY LOW TITER GLYCERIDE FRACTIONS FROM A MATERIAL SELECTED FROM THE CLASS CONSISTING OF ANIMAL FATS AND OILS, COMPRISING SELECTIVELY HYDROGENATING SAID MATERIAL AT A TEMPERATURE OF ABOUT FROM 300* TO 350* F. REDUCE SUBSTANTIALLY ALL OF THE POLYUNSATURATED COMPONENT FATTY ACIDS CONTAINED THEREIN TO EITHER SATURATED OR MONOETHENOIC COMPONENTS WITHOUT SIGNIFICANTLY AFFECTING THE MONOETHENOIC COMPONENT FATTY ACIDS ORIGINALLY PRESENT THEREIN AND THEN SEPARATING THE LOW TITER GLYCERIDE FRACTIONS FROM THE LESS SOLUBLE, HIGHER TITER GPYCERIDE FRACTIONS OF THE GLYCERIDE MIXTURE SO OBTAINED BY CAUSING THE CRYSTALLIZATION OF THE LATTER FRACTIONS AS A SOLID PHASE AND RECOVERING THE LOW TITER COMPONENTS AS A LIQUID, SAID LOW TITER COMPONENTS HAVING INCREASED RESISTANCE TO RANCIDITY WITH RESULTING IMPROVED RESISTANCE TO THE DEVELOPMENT OF UNDESIRABLE ODORS AND GUMMY, STICKLY POLYMERIZATION PRODUCTS, AND HAVING ALSO, IMPROVED RESISTANCE TO OIL AND FLAVOR DETERIORATION.

References Cited (Backward Citations)

US2443063A Cited
US2457611A Cited
US2631157A Cited
US2636888A Cited
US2645652A Cited
US2627467A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-01-02 1959-07-04 1960-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-01-02 1963-07-04 1964-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-01-02 1967-07-04 1968-01-03 $7700.00 Window Closed / Lapsed

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