METHOD OF ENCAPSULATION AND IMMOBILIZATION
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United States of America Patent
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Issued Date -
Nov 26, 2015
app pub date -
Aug 6, 2015
filing date -
Jun 29, 2011
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Abstract
A method for encapsulating a material, the steps include choosing a material to encapsulate; placing the material into a material solvent to form a material solution; forming a primary emulsion of the material solution in an immiscible liquid medium that is immiscible with the material solvent, wherein the material solution is the disperse phase and the immiscible liquid medium is the continuous phase of the primary emulsion, wherein the immiscible liquid medium contains an encapsulating agent dissolved therein, the encapsulating agent capable of being crosslinked, polymerized, gelled, hardened or solidified; adding the primary emulsion as droplets into a crosslinking medium, wherein the crosslinking medium is immiscible with the continuous phase immiscible liquid medium of the primary emulsion, and thereafter activating the crosslinking, polymerizing, gelling, hardening or solidifying of the encapsulating agent to envelope the material in a crosslinked, polymerized, gelled, hardened or solidified matrix forming the droplets into beads.
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