US2999022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid shortening method
Assignee: Anderson Clayton and Co
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Filing: 1957-03-26
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Granted: 1961-09-05
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Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Emory T Payne
- 👤 Robert A Seybert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:45
CPC Classifications
A; A23; A23D; A23D9/00; A23D9/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
IN A PROCESS OF PREPARING A LIQUID SHORTENING COMPRISED OF A STABLE SUSPENSION OF DISCRETE PARTICLES OF SOLID FATS IN OIL IN A TEMPERATURE RANGE OF FROM ABOUT 60* F. TO ABOUT 110*F., THE IMPROVEMENT COMPRISING THE FIRST STEP OF MELTING ALL THE SOLID FATS AND CRYSAL NUCLEI CONTAINED IN A BASE OIL, SAID SOLID FATS AND CRYSAL NUCLEI BEING IN AN AMOUNT SUFFICIENT FOR PREPARING SAID LIQUID SHORTENING, THE SECOND STEP OF COOLING THE BASE OIL TO A TEMPERATURE SLIGHTLY ABOVE THE ALPHA MELTING POINT OF THE FATS AND MAINTAINING THE LIQUID SHORTENING AT SAID TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO FORM ALL CRYSTALS INTO RELATIVELY SMALL BETA PRIME CRYSTALS AND BETA CRYSTALS, THE THIRD STEP OF HEATING THE BASE OIL TO A TEMPERATURE SLIGHTLY ABOVE THE BETA PRIME MELTING POINT OF SAID BETA PRIME CRYSTALS AND MAINTAINING THE BASE OIL AT SAID LAST-MENTIONED TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO CONVERT SUBSTANTIALLY ALL SAID BETA PRIME CRYSTALS TO BETA CRYSTALS OF SUBSTANTIALLY THE SAME SIZE AS SAID BETA PRIME CRYSTALS, AND AGITATING SAID BASE OIL DURING SAID SECOND AND THIRD STEPS AT A RATE SUFFICIENT TO FORM SAID CRYSTALS AS AFORESAID.
Claim 2
Dependent Claim
196 words
IN A PROCESS OF PREPARING A LIQUID SHORTENING COMPRISED OF A STABLE SUSPENSION OF DISCRETE PARTICLES OF SOLID FATS IN OIL IN A TEMPERATURE RANGE OF FROM ABOUT 60* F. TO ABOUT 110*F., THE IMPROVEMENT COMPRISING THE FIRST STEP OF MELTING ALL THE SOLID FATS AND CRYSAL NUCLEI CONTAINED IN A BASE OIL, SAID SOLID FATS AND CRYSAL NUCLEI BEING IN AN AMOUNT SUFFICIENT FOR PREPARING SAID LIQUID SHORTENING, THE SECOND STEP OF COOLING THE BASE OIL TO A TEMPERATURE SLIGHTLY ABOVE THE ALPHA MELTING POINT OF THE FATS AND MAINTAINING THE LIQUID SHORTENING AT SAID TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO FORM ALL CRYSTALS INTO RELATIVELY SMALL BETA PRIME CRYSTALS AND BETA CRYSTALS, THE THIRD STEP OF HEATING THE BASE OIL TO A TEMPERATURE SLIGHTLY ABOVE THE BETA PRIME MELTING POINT OF SAID BETA PRIME CRYSTALS AND MAINTAINING THE BASE OIL AT SAID LAST-MENTIONED TEMPERATURE FOR A PERIOD OF TIME SUFFICIENT TO CONVERT SUBSTANTIALLY ALL SAID BETA PRIME CRYSTALS TO BETA CRYSTALS OF SUBSTANTIALLY THE SAME SIZE AS SAID BETA PRIME CRYSTALS, AND AGITATING SAID BASE OIL DURING SAID SECOND AND THIRD STEPS AT A RATE SUFFICIENT TO FORM SAID CRYSTALS AS AFORESAID.
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) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |