Abstract: The invention relates to the use of an ampholyte copolymer as a colloidal stabilizer in the preparation of aminoplast core-shell microcapsules containing an active material, wherein the ampholyte copolymer comprises: 2 to 99 mol % of cationic monomer having at least one quaternary ammonium group, 1 to 98 mol % of acrylic based monomer, 0 to 97 mol % of non-ionic monomer, and wherein the ampholyte copolymer has more cationic charges than anionic charges, wherein the cationic charges of the ampholyte copolymer are exclusively due to the at least one quaternary ammonium group of the cationic monomer.

Abstract: Encapsulated perfume composition comprising at least one aminoplast core-shell microcapsule dispersed in a suspending medium, the microcapsule comprising a perfume-containing core encapsulated in a shell, said shell comprising a network of cross-linked aminoplast resin, wherein 75-100% of the resin comprises 50-90%, preferably from 60-85%, of a terpolymer and from 10-50%, preferably from 10-25%, of a polymeric stabilizer; the terpolymer comprising: (a) from 20-35 wt %, preferably 22-30% by weight of moieties derived from at least one triamine, (b) from 30-60 wt %, preferably 40-55% by weight of moieties derived from at least one diamine, (c) from 20-35 wt %, preferably 22-30% by weight of moieties derived from the group consisting of alkylene and alkylenoxy moieties having 1 to 6 methylene units, preferably 1 to 4 methylene units and most preferably 1 methylene unit.

Abstract: An encapsulated perfume composition comprising at least one perfume-containing aminoplast core-shell microcapsule dispersed in an aqueous suspending medium, the microcapsule being characterized in that it bears a positive charge.

Abstract: An encapsulated perfume composition in the form of a slurry comprising one or more core-shell capsules, dispersed in an aqueous dispersing medium, wherein the core contains a perfume and the shell contains a polyurea resin, and wherein the capsules are in the form of a stable suspension having a viscosity of up to 3000 centipoise, and more particularly about 150 to 3000 centipoise when measured on a rheometer, using rotating disks at a shear rate of 21 s?1 at a temperature of 25° C.

Abstract: An encapsulated perfume composition wherein the shell contains a polyurea resin and the core contains a perfume comprising an aldehyde-containing perfume ingredient or ingredients, a non-aromatic cyclic perfume ingredient, and an alkyl salicylate and/or a 2,2,2-trisubstituted acetal,

Abstract: A microcapsule having an average particle size of from 7.5 to 50 microns. The microcapsule contains a core and a polymeric shell enclosing the core. The core contains a core material containing an emulsifiable fragrance. The polymeric shell contains, in polymerized form, a monomer blend containing: the specific monomer (i) in an amount of from 30% to 80% by weight over the combined weight of monomers (i) and (ii); and the specific monomer (ii) in an amount of 20% to 70% by weight over the combined weight of monomers (i) and (ii).

Abstract: A fragrance composition to be incorporated into the core of a core shell capsule, including: I) 60-100% by weight of at least 5 different fragrance compounds, each of the at least 5 different fragrance compounds possessing any of the structural features a) to g) defined in the specification, and II) 0-40% by weight of other benefit agents which possess any of the structural features a) to g), pro-fragrances, and solvents.

Abstract: The present invention relates to a process for the manufacture of a spray dried powder comprising: (a) forming a warm, stirred aqueous slurry comprising: inorganic salts, at least one binding agent and 0.001 to 20% by weight of capsules based on the weight of spray dried powder, said capsules containing benefit agents including at least perfume, and (b) spray drying the resultant slurry to form a spray dried powder, said capsules being such that: 1) more than 40% of the benefit agents remain encapsulated 60 minutes after dispersion thereof at 70° C. in the slurry as defined in the “slurry survival test” in a sealed vessel without agitation; and 2) more than 30% of the benefit agents added for 15 minutes to an ambient slurry as defined in the “spray dry test” survive spray drying through a laboratory scale spray drier.

Abstract: The present invention relates to a fragrance composition to be incorporated into the core of a core shell capsule comprising: I) 60-100% by weight of at least 5 fragrance compounds, 20-100% by weight of said fragrance compounds comprising at least 3 bulky molecules having a molecular weight of less than 325 atomic mass units, conforming to the following structures: a) molecules containing more than one ring, each ring having between 3 and 8 atoms of any of carbon, oxygen, nitrogen or sulfur in any ring and atoms being shared by any of the rings; b) molecules having at least two rings, each ring having between 3 and 8 atoms of any of carbon, oxygen, nitrogen or sulfur in which any rings share a common atom; c) molecules having at least two rings, each ring having between 3 and 8 atoms of any carbon, oxygen, nitrogen or sulfur in which any two rings share at least two adjacent common atoms; d) molecules containing a single alicyclic ring which contains at least 5 atoms, but no more than 8 atoms, of any of ca

Abstract: The invention relates to a core shell capsule containing in the core an oil or waxy solid, wherein the oil or waxy solid comprises: (1) 50-100% by weight of a perfume composition, which is a mixture of at least two perfume ingredients-selected from: a) aldehydes, including alpha beta unsaturated aldehydes, which constitute 0-20% by weight of the perfume composition; b) primary or secondary amines constituting 0-10% by weight of the perfume composition; c) perfume ingredients having ClogP>4.0, which constitute 0-25% by weight of the perfume composition; d) perfume ingredients having ClogP>5.0, which constitute 0-20% by weight of the perfume composition; and e) perfume ingredients having ClogP<2.0, which constitute 0-20% by weight of the perfume composition, and (2) 0-50% by weight of benefit agents other than perfume ingredients.

Abstract: The present invention relates to a process for the manufacture of a spray dried powder comprising: (a) forming a warm, stirred aqueous slurry comprising: inorganic salts, at least one binding agent and 0.001 to 20% by weight of capsules based on the weight of spray dried powder, said capsules containing benefit agents including at least perfume, and (b) spray drying the resultant slurry to form a spray dried powder, said capsules being such that: 1) more than 40% of the benefit agents remain encapsulated 60 minutes after dispersion thereof at 70° C. in the slurry as defined in the “slurry survival test” in a sealed vessel without agitation; and 2) more than 30% of the benefit agents added for 15 minutes to an ambient slurry as defined in the “spray dry test” survive spray drying through a laboratory scale spray drier.

Abstract: A pouch comprising perfume particles.