Solid material comminution or disintegration – Processes – Cereal and other seeds or seed parts
Reexamination Certificate
1999-07-14
2001-06-12
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Processes
Cereal and other seeds or seed parts
C241S023000
Reexamination Certificate
active
06244528
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to a method and apparatus for producing fine powder from a grain or legume; particularly, producing a fine soybean powder used as an additive in milk, making of tofu or as an additive in other foods.
2. Related Art
Today's emphasis on good eating habits and particularly cutting down on meat and the like has encouraged people to turn to more fruits, grains, legumes, and vegetables in their diet. One particular legume that has become of more interest in recent years is soy beans. Soy beans have been used to make milk products, tofu and other products. Soy beans are high in nutritional value. However, although a number of processes are known for producing a fine soybean powder with the odor emitted and soybean fat removed, heretofore such processes have been expensive, did not totally deodorize the soy beans or did not remove a sufficiently high percentage of fat or undesirable enzymes. There is a need for a process for grinding soy beans and other legumes or grains, such as rice, corn, pinto beans, etc. to a fine powder without removing the functional and nutritional constituents of the soybeans while having the option to reduce or inactivate the enzymes as needed for the particular application. This is applicable to any other suitable grain or legume.
SUMMARY OF THE INVENTION
It is an object of this invention to grind legumes or grains to a fine powder removing undesired qualities of such legumes or grains while retaining the desired constituents of such legumes or grains.
It is a further object of this invention to carry out the foregoing object in the grinding of soy beans.
These and other objects are preferably accomplished by grinding raw grains or legumes, such as soy beans, under controlled temperature and humidity conditions in a mill to a particle size of between 5 to 25 microns, preferably about 15 microns.
REFERENCES:
patent: 3782968 (1974-01-01), Herzberg et al.
patent: 3965267 (1976-06-01), Davis
patent: 4076851 (1978-02-01), Tunoda
patent: 4463022 (1984-07-01), Sterner et al.
patent: 5115984 (1992-05-01), Satake
patent: 5185175 (1993-02-01), Loh et al.
patent: 5364471 (1994-11-01), Czuchajowska
Rettenmaier Josef Otto
Wallis Loren Paul
Oppenheimer Wolff & Donnelly LLP
Rosenbaum Mark
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