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Laundry Treatment with Core-Shell Particles

February 4, 2013

US Patent No. 8,158,571 B2; Conopco Inc., Englewood Cliffs, NJ, has patented a laundry treatment composition that contains an anionic and/or nonionic surfactant, and further comprising core-shell particles. The particles are comprised of, bound to the shell, a non-cationic, polyester-substantive deposition aid, which is a phthalate containing polymer, wherein the binding is achieved by covalently linking or co-polymerizing a phthalate-containing polymer to the shell, and in the core, a perfume.
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