Patents

Kao Patents Method To Produce Hydrogel Particles

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By: Christine Esposito

Editor-in-Chief

US Patent No. 10,299,995 B2 (Shinobu Hiramatsu, Katsutake Uehiro, Masanori Orita, Kimikazu Fukuda); Kao Corporation, Tokyo, patented a method for producing hydrogel particles that is comprised of the following steps: dissolving a gel agent forming a non-crosslinked hydrogel in an aqueous solution, said aqueous solution of said gel agent having a gel point of 30°C or more; putting the aqueous solution into a liquid phase having a temperature of equal to or lower than the gel point, thereby solidi...

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