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REDUCED PERMEABILITY MICROCAPSULES
专利权人:
Trucapsol LLC
发明人:
Praveen BACHAWALA
申请号:
US16282993
公开号:
US20190275490A1
申请日:
2019.02.22
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Disclosed is a composition including controlled release particles, wherein each of the controlled release particles includes: (a) a core including at least one hydrophobic active ingredient; and (b) a wall at least partially surrounding the core and including: (i) an outer layer including a copolymer of polyacrylamide and polyacrylate; (ii) an intermediate layer under the outer layer and including a polyurea; (iii) an inner layer under the intermediate layer and including an acrylate copolymer; and optionally (iv) an optional outer layer above the outer layer and including a quaternary amine containing moiety, wherein the inner layer is a mesh and the controlled release particles are effective to retain the at least one hydrophobic active ingredient upon exposure to water and effective to release the at least one hydrophobic active ingredient in response to friction. A method for preparing the composition is also disclosed.
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