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US3845222A Expired / Lapsed US ⏱️ 0.0 years remaining

Texturizing process for single cell protein

Assignee: Standard Oil Co
•
Filing: 1972-03-01
•
Granted: 1974-10-29
•
Expires: 1992-03-01
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Abstract

Abstract 1. A PROCESS FOR IMPARTING TEXTURE TO MOCROBIAL CELLS COMPRISING THE STEPS OF: (A) HEATING AN AQUEOUS PASTE OF MICROBIAL CELL MATERIAL TO A TEMPERAUTRE WITHIN THE RANGE OF FROM ABOUT 150* TO ABOUT 400* F. FOR A TIME PERIOD WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 300 SECONDS, SAID PASTE CONTAINING FROM ABOUT 10 TO 50 WT. PERCENT WATER; (B) SIMULTANEOUS APPLYING A SHEARING FORCE TO SAID CELL PASTE, THE SHEARING FORCE CORRESPONDING TO A SHEAR RATE OF ABOUT 10 TO 60 R.P.M. AND A TORQUE OF ABOUT 200 TO ABOUT 2,000 METER-GRAMS; (C) EXTRUDING THE HEATED AND SHEARED CELL PASTE THROUGH A DIE TO PROVIDE A SHAPED EXTRUDATE; AND (D) EXPOSING SHAPED EXTRUDATE TO AN OXYGEN-CONTAINING GAS STREAM TO PRODUCE A PRODUCT WHICH IS CHEWY, CRUNCHY, CRIPSY AND RESISTS DISPERSION IN WATER

Inventors

  • 👤 S Tannenbaum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:28
CPC Classifications
A; A23; A23J; A23J3/00; A23J3/22; A23J3/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 134 words
A PROCESS FOR IMPARTING TEXTURE TO MOCROBIAL CELLS COMPRISING THE STEPS OF: (A) HEATING AN AQUEOUS PASTE OF MICROBIAL CELL MATERIAL TO A TEMPERAUTRE WITHIN THE RANGE OF FROM ABOUT 150* TO ABOUT 400* F. FOR A TIME PERIOD WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 300 SECONDS, SAID PASTE CONTAINING FROM ABOUT 10 TO 50 WT. PERCENT WATER; (B) SIMULTANEOUS APPLYING A SHEARING FORCE TO SAID CELL PASTE, THE SHEARING FORCE CORRESPONDING TO A SHEAR RATE OF ABOUT 10 TO 60 R.P.M. AND A TORQUE OF ABOUT 200 TO ABOUT 2,000 METER-GRAMS; (C) EXTRUDING THE HEATED AND SHEARED CELL PASTE THROUGH A DIE TO PROVIDE A SHAPED EXTRUDATE; AND (D) EXPOSING SHAPED EXTRUDATE TO AN OXYGEN-CONTAINING GAS STREAM TO PRODUCE A PRODUCT WHICH IS CHEWY, CRUNCHY, CRIPSY AND RESISTS DISPERSION IN WATER
Claim 2
Dependent Claim 134 words
A PROCESS FOR IMPARTING TEXTURE TO MOCROBIAL CELLS COMPRISING THE STEPS OF: (A) HEATING AN AQUEOUS PASTE OF MICROBIAL CELL MATERIAL TO A TEMPERAUTRE WITHIN THE RANGE OF FROM ABOUT 150* TO ABOUT 400* F. FOR A TIME PERIOD WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 300 SECONDS, SAID PASTE CONTAINING FROM ABOUT 10 TO 50 WT. PERCENT WATER; (B) SIMULTANEOUS APPLYING A SHEARING FORCE TO SAID CELL PASTE, THE SHEARING FORCE CORRESPONDING TO A SHEAR RATE OF ABOUT 10 TO 60 R.P.M. AND A TORQUE OF ABOUT 200 TO ABOUT 2,000 METER-GRAMS; (C) EXTRUDING THE HEATED AND SHEARED CELL PASTE THROUGH A DIE TO PROVIDE A SHAPED EXTRUDATE; AND (D) EXPOSING SHAPED EXTRUDATE TO AN OXYGEN-CONTAINING GAS STREAM TO PRODUCE A PRODUCT WHICH IS CHEWY, CRUNCHY, CRIPSY AND RESISTS DISPERSION IN WATER

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-10-28 1978-04-29 1978-10-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-10-28 1982-04-29 1982-10-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-10-28 1986-04-29 1986-10-29 $7700.00 Window Closed / Lapsed

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