Benefit agent containing delivery particle

Patent metadata

Field	Value
Publication number	US-9969961-B2
Application number	US-201414460380-A
Country	US
Kind code	B2
Filing date	Aug 15, 2014
Priority date	Jun 11, 2007
Publication date	May 15, 2018
Grant date	May 15, 2018

Abstract

The present invention relates to benefit agent containing delivery particles, compositions comprising said particles, and processes for making and using the aforementioned particles and compositions. When employed in compositions, for example, cleaning or fabric care compositions, such particles increase the efficiency of benefit agent delivery, there by allowing reduced amounts of benefit agents to be employed. In addition to allowing the amount of benefit agent to be reduced, such particles allow a broad range of benefit agents to be employed.

First claim

What is claimed is:

1. A composition comprising:
a.) benefit agent delivery particles comprising a core material that comprises perfume and a shell that comprises the reaction product of an aldehyde with an amine, said shell at least partially surrounding said core material:
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%;

said benefit agent delivery particles' core material comprising a perfume composition that comprises, based on total perfume composition weight, 40% perfume materials having a C log P of less than 4.0 and at least 15% perfume materials having a C log P of less than 3.0;
b.) a protease and an amylase;
c.) boric acid;
d.) hydrogenated castor oil; and
e.) a material selected from the group consisting of citric acid, a fatty acid and mixtures thereof.

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 30 nm to about 250 nm.

4. The composition of claim 1 , wherein said benefit agent delivery particles' core material further comprises a material selected from the group consisting of a 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 benefit agent delivery particles' shell comprises melamine formaldehyde.

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

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

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

9. The composition of claim 1 wherein said benefit agent delivery particles' core material comprises:
a.) a perfume composition having a C log P of less than 4.5;
b.) a perfume composition comprising, based on total perfume composition weight, 35% perfume materials having a C log P of less than 3.5;
c.) a perfume composition comprising, based on total perfume composition weight, 40% perfume materials having a C log P of less than 4.0 and at least 1% perfume materials having a C log P of less than 2.0;
d.) a perfume composition comprising, based on total perfume composition weight, at least 1% butanoate esters and at least 1% of pentanoate esters;
e.) 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;
f.) a perfume composition comprising, based on total perfume composition weight, at least 1% of an aldehyde comprising an alkyl chain moiety;
g.) a perfume composition comprising, based on total perfume composition weight, at least 2% of a butanoate ester;
h.) a perfume composition comprising, based on total perfume composition weight, at least 1% of a pentanoate ester;
i.) 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;
j.) 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;
k.) a perfume compositions comprising, based on total perfume composition weight, at least 2% of a material selected from the group consisting of 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;
l.) a perfume composition comprising, based on total perfume composition weight, at least 0.1% of tridec-2-enonitrile, mandaril, or mixtures thereof;
m.) a perfume composition comprising, based on total perfume composition weight, at least 2% of a material selected from the group consisting of 3,7-dimethyl-6-octene nitrile, 2-cyclohexylidene-2-phenylacetonitrile and mixtures thereof;
n.) 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;
o.) a perfume composition comprising, based on total perfume composition weight, at least 3% of an ester comprising an allyl moiety;
p.) 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; bicyclo[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, 3,7dimethyl-; 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;
q.) 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;
r.) a perfume composition comprising, based on total perfume composition weight, less than 10% perfumes having a C log P greater than 5.0;
s.) a perfume composition comprising geranyl palmitate; or
t.) a perfume composition comprising a first and an option

Assignees

• Procter & Gamble

Inventors

• Smets Johan
• Dihora Jiten Odhavji
• Pintens An
• Guinebretiere Sandra Jacqueline
• Druckrey Adam Keith
• Sands Peggy Dorothy
• Yan Nianxi

Classifications

• A61P29/00

  Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID] · CPC title

• A61K8/11

  Encapsulated compositions · CPC title

• B01J13/02

  Making microcapsules or microballoons {(for medical preparations A61K9/50)} · CPC title

• C11D17/0039

  Coated compositions or coated components in the compositions, (micro)capsules · CPC title

• Y10T428/2987

  Addition polymer from unsaturated monomers only · CPC title