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US 4,957,558 AGranted
Temporary solidifier for playing with sand
OwnerHiroshi Ueda, Tomonao Uedainventors
Life of this patent
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Abstract
A temporary solidifier for playing with sand or the like together with added water to form a work having a desired shape is disclosed. The temporary solidifier consists of a combination of adequate quantities of a glue and a revolsing enzyme and is added to the sand or the like.
Claims4
A solidified work having a shape and composed of silica or sand that is held together by a suitable quantity of water and a small quantity of an adhesive, the improvement comprising that said solidified work also includes a resolving enzyme in an amount sufficient to decompose the adhesive.
Dependencies are inferred from the claim text.