BENEFIT AGENT CONTAINING DELIVERY PARTICLE

1 . A composition comprising:

benefit agent delivery particles comprising a core material and a shell, said shell at least partially surrounding said core material; wherein:

i. at least 75% of said benefit agent delivery particles having a fracture strength of from about 0.2 MPa to about 10 MPa; and

ii. said particles having a benefit agent leakage of from 0% to about 30% wherein said benefit agent delivery particles have wall materials which comprises a resin selected from the group consisting of a reaction product of an aldehyde with an amine.

2 . The composition of claim 1 , wherein at least 75% of said benefit agent delivery particles have a particle size of from about 1 microns to about 80 microns.

3 . The composition of claim 1 , wherein at least 75% of said benefit agent delivery particles have a particle wall thickness of from about 60 nm to about 250 nm.

4 . The composition of claim 1 , wherein said benefit agent delivery particles has core material which comprises a material selected from the group consisting of a perfume raw material and/or a material selected from the group consisting of vegetable oil, esters of vegetable oils, esters, straight or branched chain hydrocarbons, partially hydrogenated terphenyls, dialkyl phthalates, alkyl biphenyls, alkylated naphthalene, petroleum spirits, aromatic solvents, silicone oils, and mixtures thereof.

5 . The composition of claim 1 , wherein said core material is selected from caster oil, coconut oil, cottonseed oil, grape oil, rapeseed, soybean oil, corn oil, palm oil, linseed oil, safflower oil, olive oil, peanut oil, coconut oil, palm kernel oil, castor oil, lemon oil and mixtures thereof, dibutyl adipate, dibutyl phthalate, butyl benzyl adipate, benzyl octyl adipate, tricresyl phosphate, trioctyl phosphate and mixtures thereof, straight or branched chain hydrocarbons having a boiling point of greater than about 80° C., monoisopropylbiphenyl, dipropylnaphthalene, kerosene, mineral oil, benzene, and toluene.

6 . The composition of claim 1 , wherein said aldehyde comprises formaldehyde, and said amine comprises melamine, urea, benzoguanamine, glycoluril, or mixtures thereof.

7 . The composition of claim 6 , wherein said melamine comprises methylol melamine, methylated methylol melamine, imino melamine or mixtures thereof.

8 . The composition of claim 6 , wherein said urea comprises dimethylol urea, methylated dimethylol urea, urea-resorcinol, or mixtures thereof.

9 . The composition of claim 1 , wherein said benefit agent delivery particles comprise, based on total benefit agent delivery particle weight, at least 1 weight %.

10 . The composition of claim 1 , wherein said benefit agent delivery particles have core material which comprises, based on total core material weight, at least about 20 wt % benefit agent.

11 . The composition of claim 1 , wherein said benefit agent comprises a perfume composition, said particles comprising, based on total particle weight, from about 20 weight % to about 95 weight % of said perfume composition.

12 . The composition of claim 1 , wherein said benefit agent delivery particles has core material which comprises:

a.) a perfume composition having a Clog P of less than 4.5;

b.) a perfume composition comprising, based on total perfume composition weight, 60% perfume materials having a Clog P of less than 4.0;

c.) a perfume composition comprising, based on total perfume composition weight, 35% perfume materials having a Clog P of less than 3.5;

d.) a perfume composition comprising, based on total perfume composition weight, 40% perfume materials having a Clog P of less than 4.0 and at least 1% perfume materials having a Clog P of less than 2.0;

e.) a perfume composition comprising, based on total perfume composition weight, 40% perfume materials having a Clog P of less than 4.0 and at least 15% perfume materials having a Clog P of less than 3.0;

f.) a perfume composition comprising, based on total perfume composition weight, at least 1% butanoate esters and at least 1% of pentanoate esters;

g.) a perfume composition comprising, based on total perfume composition weight, at least 2% of an ester comprising an allyl moiety and at least 10% of another perfume comprising an ester moiety;

h.) a perfume composition comprising, based on total perfume composition weight, at least 1% of an aldehyde comprising an alkyl chain moiety;

i.) a perfume composition comprising, based on total perfume composition weight, at least 2% of a butanoate ester;

j.) a perfume composition comprising, based on total perfume composition weight, at least 1% of a pentanoate ester;

k.) a perfume composition comprising, based on total perfume composition weight, at least 3% of an ester comprising an allyl moiety and 1% of an aldehyde comprising an alkyl chain moiety;

l.) a perfume composition comprising, based on total perfume composition weight, at least 25% of a perfume comprising an ester moiety and 1% of an aldehyde comprising an alkyl chain moiety;

m.) a perfume compositions comprising, based on total perfume composition weight, at least 2% of a material selected from 4-(2,6,6-trimethyl-1-cyclohexenyl)-3-buten-2-one, 4-(2,6,6-trimethyl-2-cyclohexenyl)-3-buten-2-one and 3-buten-2-one,3-methyl-4-(2,6,6-trimethyl-1-cyclohexen-2-yl)- and mixtures thereof;

n.) a perfume composition comprising, based on total perfume composition weight, at least 0.1% of tridec-2-enonitrile, and mandaril, and mixtures thereof;

o.) a perfume composition comprising, based on total perfume composition weight, at least 2% of a material selected from 3,7-dimethyl-6-octene nitrile, 2-cyclohexylidene-2-phenylacetonitrile and mixtures thereof;

p.) a perfume composition comprising, based on total perfume composition weight, at least 80% of one or more perfumes comprising a moiety selected from the group consisting of esters, aldehydes, ionones, nitriles, ketones and combinations thereof;

q.) a perfume composition comprising, based on total perfume composition weight, at least 3% of an ester comprising an allyl moiety; a perfume composition comprising, based on total perfume composition weight, at least 20% of a material selected from the group consisting of: 1-methylethyl-2-methylbutanoate; ethyl-2-methyl pentanoate; 1,5-dimethyl-1-ethenylhexyl-4-enyl acetate; p-metnh-1-en-8-yl acetate; 4-(2,6,6-trimethyl-2-cyclohexenyl)-3-buten-2-one; 4-acetoxy-3-methoxy-1-propenylbenzene; 2-propenyl cyclohexanepropionate; bicyclo[2.2.1]hept-5-ene-2-carboxylic acid,3-(1-methylethyl)-ethyl ester; bycyclo [2.2.1]heptan-2-ol, 1,7,7-trimethyl-, acetate; 1,5-dimethyl-1-ethenylhex-4-enylacetate; hexyl 2-methyl propanoate; ethyl-2-methylbutanoate; 4-undecanone; 5-heptyldihydro-2(3h)-furanone; 1,6-nonadien-3-ol,3,7-dimethyl-; 3,7-dimethylocta-1,6-dien-3-o; 3-cyclohexene-1-carboxaldehyde,dimethyl-; 3,7-dimethyl-6-octene nitrile; 4-(2,6,6-trimethyl-1-cyclohexenyl)-3-buten-2-one; tridec-2-enonitrile; patchouli oil; ethyl tricycle [5.2.1.0]decan-2-carboxylate; 2,2-dimethyl-cyclohexanepropanol; hexyl ethanoate, 7-acetyl,1,2,3,4,5,6,7,8-octahydro-1,1,6,7-tetramethyl naphtalene; allyl-cyclohexyloxy acetate; methyl nonyl acetic aldehyde; 1-spiro[4,5]dec-7-en-7-yl-4-pentenen-1-one; 7-octen-2-ol,2-methyl-6-methylene-,dihydro; cyclohexanol,2-(1,1-dimethylethyl)-, acetate; hexahydro-4,7-methanoinden-5(6)-yl propionatehexahydro-4,7-methanoinden-5(6)-yl propionate; 2-methoxynaphtalene; 1-(2,6,6-trimethyl-3-cyclohexenyl)-2-buten-1-one; 1-(2,6,6-trimethyl-2-cyclohexenyl)-2-buten-1-one; 3,7-dimethyloctan-3-ol; 3-buten-2-one,3-methyl-4-(2,6,6-trimethyl-1-cyclohexen-2-yl)-; hexanoic acid, 2-propenyl ester; (z)-non-6-en-1-al; 1-decyl aldehyde; 1-octanal; 4-t-butyl-α-methylhydrocinnamaldehyde; alpha-hexylcinnamaldehyde; ethyl-2,4-hexadienoate; 2-propenyl 3-cyclohexanepropanoate; and mixtures thereof;

r.) a perfume composition comprising, based on total perfume composition weight, at least 20% of a material selected from the group consisting of: 1-methylethyl-2-methylbutanoate; ethyl-2-methyl pentanoate; 1,5-dimethyl-1-ethenylhex-4-enyl acetate; p-menth-1-en-8-yl acetate; 4-(2,6,6-trimethyl-2-cyclohexenyl)-3-buten-2-one; 4-acetoxy-3-methoxy-1-propenylbenzene; 2-propenyl cyclohexanepropionate; bicyclo[2.2.1]hept-5-ene-2-carboxylic acid,3-(1-methylethyl)-ethyl ester; bycyclo [2.2.1]heptan-2-ol, 1,7,7-trimethyl-, acetate; 1,5-dimethyl-1-ethenylhex-4-enyl acetate; hexyl 2-methyl propanoate; ethyl-2-methylbutanoate, 4-undecanolide; 5-heptyldihydro-2(3h)-furanone; 5-hydroxydodecanoic acid; decalactones; undecalactones, 1,6-nonadien-3-ol,3,7-dimethyl-; 3,7-dimethylocta-1,6-dien-3-ol; 3-cyclohexene-1-carboxaldehyde,dimethyl-; 3,7-dimethyl-6-octene nitrile; 4-(2,6,6-trimethyl-1-cyclohexenyl)-3-buten-2-one; tridec-2-enonitrile; patchouli oil; ethyl tricycle [5.2.1.0]decan-2-carboxylate; 2,2-dimethyl-cyclohexanepropanol; allyl-cyclohexyloxy acetate; methyl nonyl acetic aldehyde; 1-spiro[4,5]dec-7-en-7-yl-4-pentenen-1-one; 7-octen-2-ol,2-methyl-6-methylene-,dihydro, cyclohexanol,2-(1,1-dimethylethyl)-, acetate; hexahydro-4,7-methanoinden-5(6)-yl propionatehexahydro-4,7-methanoinden-5(6)-yl propionate; 2-methoxynaphtalene; 1-(2,6,6-trimethyl-3-cyclohexenyl)-2-buten-1-one; 1-(2,6,6-trimethyl-2-cyclohexenyl)-2-buten-1-one; 3,7-dimethyloctan-3-ol; 3-buten-2-one,3-methyl-4-(2,6,6-trimethyl-1-cyclohexen-2-yl)-; hexanoic acid, 2-propenyl ester; (z)-non-6-en-1-al; 1-decyl aldehyde; 1-octanal; 4-t-butyl-α-methylhydrocinnamaldehyde; ethyl-2,4-hexadienoate; 2-propenyl 3-cyclohexanepropanoate; and mixtures thereof;

s.) a perfume composition comprising, based on total perfume composition weight, at least 5% of a material selected from the group consisting of 3-cyclohexene-1-carboxaldehyde,dimethyl-; 3-buten-2-one,3-methyl-4-(2,6,6-trimethyl-1-cyclohexen-2-yl)-; patchouli oil; Hexanoic acid, 2-propenyl ester; 1-Octanal; 1-decyl aldehyde; (z)-non-6-en-1-al; methyl nonyl acetic aldehyde; ethyl-2-methylbutanoate; 1-methylethyl-2-methylbutanoate; ethyl-2-methyl pentanoate; 4-hydroxy-3-ethoxybenzaldehyde; 4-hydroxy-3-methoxybenzaldehyde; 3-hydroxy-2-methyl-4-pyrone; 3-hydroxy-2-ethyl-4-pyrone and mixtures thereof;

t.) a perfume composition comprising, based on total perfume composition weight, less than 10% perfumes having a Clog P greater than 5.0;

u.) a perfume composition comprising geranyl palmitate; or

v.) a perfume composition comprising a first and an optional second material, said first material having:

(i) a Clog P of at least 2;

(ii) a boiling point of less than about 280° C.; and second optional second material, when present, having

(i) a Clog P of less than 2.5; and

(ii) a ODT of less than about 100 ppb.

13 . The composition of claim 1 , further comprising a material selected from the group consisting of a formaldehyde scavenger, a structurant, an anti-agglomoration agent and mixtures thereof.

14 . The composition of claim 1 , further comprising a formaldehyde scavenger.

15 . The composition of claim 1 , said composition comprising a structurant, said structurant comprising a material selected from the group consisting of polysaccharides, modified celluloses, modified proteins, inorganic salts, quaternized polymeric materials, imidazoles; nonionic polymers having a pKa less than 6.0, polyurethanes, and mixtures thereof.

16 . The composition of claim 1 , wherein said particles are coated with a leakage control agent coating material.

17 . A benefit agent delivery particle comprising a core material and a shell, said shell at least partially surrounding said core material; wherein

i. said benefit agent delivery particle has a fracture strength of from about 0.2 MPa to about 10 MPa; and

ii. said particle has a benefit agent leakage of from 0% to about 30%.

18 . The benefit agent delivery particle of claim 17 , wherein said benefit agent delivery particle has a particle size of from about 1 microns to about 80 microns.