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US3684520A Expired / Lapsed US ⏱️ 0.0 years remaining

Fractionation of leafy green crops

Assignee: United States Department of Agriculture
•
Filing: 1969-12-09
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Granted: 1972-08-15
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Expires: 1989-12-09
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Abstract

Abstract PROCESSES FOR FRACTIONATING ALFALFA AND OTHER LEAFY GREEN CROPS TO PROVIDE PRODUCTS USEFUL IN ANIMAL FEEDING. EXAMPLE: FRESH GREEN ALFALFA-PREFERABLY PRETREATED WITH AMMONIA AND AN ANTIOXIDANT SUCH AS ETHYOXYQUIN-IS PRESSED, YIELDING A PRESS CAKE AND A JUICE. THE FORMER IS DRIED: THE LATTER IS FURTHER TREATED AS BY HEATING WITH INCORPORATION OF A FIXED GAS, YIELDING A CURD RICH IN PROTEINS AND CAROTENOIDS. D R A W I N G

Inventors

  • 👤 Emanuel M Bickoff
  • 👤 Roland R Spencer
  • 👤 George O Kohler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 16:42
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/006; A23J1/007; A23K; A23K10/00; A23K10/30

Claims Analysis

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References Cited (Backward Citations)

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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) 1975-08-15 1976-02-14 1976-08-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-08-15 1980-02-14 1980-08-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-08-15 1984-02-14 1984-08-15 $7700.00 Window Closed / Lapsed

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