METHOD FOR PRODUCING HYDROGEL MICROCAPSULES, KIT FOR PRODUCING CAPSULES, AND USE THEREFOR
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United States of America Patent
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Issued Date -
Jun 2, 2022
app pub date -
Mar 12, 2020
filing date -
Mar 12, 2020
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Abstract
A method for producing a capsule, including cooling a suspension so as to gel a thermoresponsive polymer including a core 8 formed from a gel of an ionically-bonded polymer and form a shell (17) of a hydrogel, the suspension being obtained by suspending, in oil (10), a sol (9) of the thermoresponsive polymer, and then using a chelating agent to solate the core so as to hollow out the inside.
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