IMPROVEMENTS IN OR RELATING TO ORGANIC COMPOUNDS
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Aug 9, 2022
filing date -
Aug 9, 2022
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Abstract
Disclosed is an encapsulated composition comprising at least one core-shell microcapsule. The at least one core-shell microcapsule comprises a core containing at least one perfume ingredient and a shell surrounding the core. The shell comprises a thermosetting resin formed by reaction of a polyfunctional amine comprising at least one amino group with at least one polyfunctional isocyanate. The shell further comprises a cationic polymer comprising quaternary ammonium groups. The shell further comprises a polymeric stabilizer comprising fully or partially dissociated carboxylic acid groups. The nominal molar ratio of the amino groups and the quaternary ammonium groups to the carboxylic acid groups is from 0.9 to 1.1, preferably from 0.95 to 1.08, more preferably from 1.00 to 1.06.
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