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US 5,435,844 AGranted
Cellulose sponge using non-woody pulp as raw material and method of producing the same
AssigneeNihon Kotsu Sangyo Kabushiki Kaisha
InventorKoji Sasaya
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Abstract
Cellulose sponge using non-woody pulp as raw material and a method of producing the same. According to the present invention, cellulose sponge can be produced without using wood pulp, with using vegetable cellulose of low plants, shrub, or the like to contribute to the prevention of the forest destruction and provide the way to use the waste material.
Claims9
A cellulose sponge comprising a body, said body formed from a non-woody pulp.
A method of producing cellulose sponge using non-woody pulp as raw material, characterized in that said method comprises the steps of:
- dissolving at least one kind of stem, leaves or seed skin of low plants or shrubs as a raw material to extract vegetable cellulose therefrom;
- mixing said vegetable cellulose with an expanding agent to expand a mixture therefrom;
- expanding said mixture and coagulating said mixture.
Dependencies are inferred from the claim text.