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AssigneeBASF SE
InventorsEkkehard Jahns, Dieter Boeckh, Werner Bertleff, Peter Neumann
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Described are microcapsule formulations comprising microcapsules having a core of a hydrophobic material, which encloses at least one fragrance or perfume, and a capsule shell which is obtainable by either i) free-radical polymerization of ethylenically unsaturated monomers comprising: from 30 to 100% by weight of one or more C1-C24 alkyl esters of acrylic and/or methacrylic acid, from 0 to 70% by weight of a bi- or polyfunctional monomer, from 0 to 40% by weight of other monomers; or ii) acid-induced condensation of melamine-formaldehyde precondensates and/or their C1-C4 alkyl ethers. Also described are laundry detergent or cleaning product compositions which comprise the microcapsules.
A microcapsule formulation comprising microcapsules having a core of a hydrophobic material, which encloses at least one fragrance or perfume, and a capsule shell which is obtainable by either
A formulation as claimed in any of the preceding claims, wherein the hydrophobic material is liquid at 20° C.
A formulation as claimed in any of the preceding claims, wherein the capsule shell is obtainable by polymerizing from 30 to 95% by weight of one or more C1-C24 alkyl esters of acrylic and/or methacrylic acid,
A laundry detergent composition for textiles or cleaning product composition for nontextile surfaces, such as skin or hair, comprising a microcapsule formulation as claimed in any of the preceding claims.
Dependencies are inferred from the claim text.