Process for preparing a layered hydrogel product
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United States of America Patent
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Jun 23, 1992
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N/A
app pub date -
Jul 9, 1990
filing date -
Jul 9, 1990
priority date (Note) -
Expired
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Abstract
Process for preparing a layered hydrogel product is provided by separately or simultaneously pouring into a mold of a desired shape an aqueous solution (I) containing at least one gelling agent, and an aqueous solution (II) containing xanthan gum and at least one thickening agent including locust bean gum, tara gum, cassia gum and glucomannan, and cooling the resulting material to give a layered hydrogen product.
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