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US3767424A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of selective separation of konjac flour from the tubers of amorphophallus konjac

Assignee: Shimizu Manzo Shoten KK
•
Filing: 1971-09-14
•
Granted: 1973-10-23
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Expires: 1991-09-14
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Abstract

Abstract A method of extracting konjac flour from the tubers of Amorphophallus konjac, wherein, in producing konjac flour by the wet comminution of the tubers of Amorphophallus konjac, the konjac flour separated after the comminution operation is submitted to further polishing to remove the tachiko (dust from Amorphophallus konjac) which adheres to the surface of the konjac flour.

Inventors

  • 👤 M Shimizu
  • 👤 H Shimahara

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 10:15
CPC Classifications
A; A23; A23L; A23L19/00; A23L19/10; A23L19/115

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 14 words
The method of claim 1 wherein said liquid medium is a water-miscible organic solvent.
Claim 2
Dependent Claim 11 words
The method of claim 1 wherein said liquid medium is water.
Claim 3
Dependent Claim 40 words
The method of claim 1 wherein the konjac flour to be dried contains or has adhered thereto the water-miscible organic solvent at a concentration of at least 30 percent by volume and the drying temperature ranges between 50* and 130*C.
Claim 4
Dependent Claim 28 words
The method of claim 1 wherein said pulverizing medium contains a salt selected from the group consisting of the sodium and potassium salt of sulphurous and hyposulfurous acid.
Claim 5
Dependent Claim 16 words
The method of claim 1 wherein the konjac flour is separated with a centrifugal settling apparatus.
Claim 6
Dependent Claim 19 words
The method of claim 1 wherein the konjac flour is separated by means of a difference in specific gravities.
Claim 7
Dependent Claim 51 words
The method of claim 2 wherein the konjac flour prior to its drying is washed in a water-miscible organic solvent of such concentration and amount that the final concentration of the solvent is at least 50 percent, and the konjac flour is dried at a temperature ranging between 50* and 130*C.

References Cited (Backward Citations)

US2584893A Cited
US3287138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-22 1977-04-23 1977-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-22 1981-04-23 1981-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-22 1985-04-23 1985-10-23 $7700.00 Window Closed / Lapsed

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