Particles for malodor reduction

Patent metadata

Field	Value
Publication number	US-9714401-B2
Application number	US-201514886855-A
Country	US
Kind code	B2
Filing date	Oct 19, 2015
Priority date	Oct 19, 2015
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

A composition including a plurality of particles, wherein the particles include: about 30% to about 95% by weight of a carrier; about 0.1% to about 30% by weight of a perfume; and about 0.00025% to about 30% by weight of a malodor agent; wherein the malodor agent comprises one or more malodor reduction materials having a Blocker Index of less than 3 or a Blocker Index average of 3 to about 0.001; and wherein each of the particles has a mass between about 0.1 mg to about 5 g.

First claim

What is claimed:

1. A composition comprising a plurality of particles, wherein said particles comprise:
about 30% to about 95% by weight of a carrier;
about 0.1% to about 30% by weight of a perfume; and
about 0.00025% to about 30% by weight of a malodor agent;
wherein said malodor agent comprises one or more malodor reduction materials having a Blocker Index of less than 3 or a Blocker Index average of 3 to about 0.001; and
wherein each of said particles has a mass between about 0.1 mg to about 5 g.

2. The composition according to claim 1 , wherein said carrier is selected from the group consisting of water soluble organic alkali metal salt, water soluble inorganic alkaline earth metal salt, water soluble organic alkaline earth metal salt, water soluble carbohydrate, water soluble silicate, water soluble urea, starch, clay, water insoluble silicate, citric acid carboxymethyl cellulose, fatty acid, fatty alcohol, glyceryl diester of hydrogenated tallow, glycerol, polyethylene glycol, and combinations thereof.

3. The composition according to claim 1 , wherein said carrier is selected from the group consisting of polyvinyl alcohol, modified polyvinyl alcohol, polyvinyl pyrrolidone, polyvinyl alcohol/polyvinyl pyrrolidone, polyvinyl alcohol/polyvinyl amine, partially hydrolyzed polyvinyl acetate, polyalkylene oxide, polyethylene glycol, acrylamide, acrylic acid, cellulose, alkyl cellulosics, methyl cellulose, ethyl cellulose, propyl cellulose, cellulose ethers, cellulose esters, cellulose amides, polyvinyl acetates, polycarboxylic acids and salts, polyaminoacids or peptides, polyamides, polyacrylamide, copolymers of maleic/acrylic acids, polysaccharides, starch, modified starch, gelatin, alginates, xyloglucans, hemicellulosic polysaccharides, xylan, glucuronoxylan, arabinoxylan, mannan, glucomannan, galactoglucomannan, natural gums, pectin, xanthan, carrageenan, locus bean, arabic, tragacanth, polyacrylates, sulfonated polyacrylates, water-soluble acrylate copolymers, alkylhydroxy cellulosics, methylcellulose, carboxymethylcellulose sodium, modified carboxy-methylcellulose, dextrin, ethylcellulose, propylcellulose, hydroxyethyl cellulose, hydroxypropyl methylcellulose, maltodextrin, polymethacrylates, polyvinyl alcohol copolymers, hydroxypropyl methyl cellulose, and mixtures thereof.

4. The composition according claim 1 , wherein said carrier is water soluble.

5. The composition according to claim 1 , wherein said perfume comprises encapsulated perfume.

6. The composition according to claim 5 , wherein said carrier is polyethylene glycol having a weight average molecular weight from about 2000 to about 13000.

7. The composition according to claim 1 , wherein at least a portion of said malodor agent is unencapsulated.

8. The composition according to claim 1 , wherein at least a portion of said malodor agent is encapsulated.

9. The composition according to claim 1 , wherein said particles comprise occlusions of gas.

10. The composition according to claim 9 , wherein said perfume comprises unencapsulated perfume.

11. The composition according to claim 10 , wherein each of said particles has a volume and said occlusions of gas within said particles comprise between about 0.5% to about 50% by volume of said particles.

12. The composition according to claim 11 , wherein said occlusions of gas have an effective diameter between about 1 micron to about 2000 microns.

13. The composition according to claim 12 , wherein said occlusions of gas are spherical occlusions of gas.

14. The composition according to claim 1 , wherein said malodor reduction materials have a Fragrance Fidelity Index of from about 3 to about 0.001.

15. The composition according to claim 1 , wherein said malodor agent comprises one or more malodor reduction materials having a log P greater than 3 and said one or more malodor reduction materials are selected from the group consisting of 2-ethylhexyl (Z)-3-4-methoxyphenyl)acrylate; 2,4-dimethyl-2-(5,5,8,8-tetramethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-1,3-dioxolane; 1,1-dimethoxynon-2-yne; 3-methoxy-7,7-dimethyl-10-methylenebicyclo[4.3.1]decane; methoxycyclododecane; 1,1-dimethoxycyclododecane; (Z)-tridec-2-enenitrile; (2-hydroxy-4-methoxyphenyl)(phenyl)methanone; 2,4a,5,8a-tetramethyl-1,2,3,4,4a,7,8,8a-octahydronaphthalen-1-yl formate; 1,8-dioxacycloheptadec an-9-one; 4-(tert-pentyl)cyclohexan-1-one; 2-methoxy-1,1′-biphenyl; 3a,5,6,7,8,8b-hexahydro-2,2,6,6,7,8,8-heptamethyl-4H-indeno(4,5-d)-1,3-dioxole; 7-isopropyl-8,8-dimethyl-6,10-dioxaspiro[4.5]decane; octyl furan-2-carboxylate; octyl acetate; 2-heptyl-4-methyl-1,3-dioxolane; octanal; 1,1-dimethoxyoctane; 7-methyl-3-methyleneocta-1,6-diene; 2-methyl-6-methyleneoct-7-en-2-yl acetate; tetradecanal; tetradecanenitrile; 2,2,6,8-tetramethyl-1,2,3,4,4a,5,8,8a-octahydronaphthalen-1-ol; 2-((1S,5R)-6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethyl acetate; (4R,4aS,6R)-4,4a-dimethyl-6-(prop-1-en-2-yl)-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one; nonan-1-ol; nonanal; 12-methyl-14-tetradec-9-enolide; N-ethyl-2-isopropyl-5-methylcyclohexane-1-carboxamide; 2-methoxynaphthalene; (E)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol; (Z)-3,7-dimethylocta-2,6-dien-1-ol; methyl (E)-non-2-enoate; 10-isopropyl-2,7-dimethyl-1-oxaspiro[4.5]deca-3,6-diene; 2-(2-(4-methylcyclohex-3-en-1-yl)propyl)cyclopentan-1-one; (E)-4-(2,2,3,6-tetramethylcyclohexyl)but-3-en-2-one; (4-(4-methylpent-3-en-1-yl)cyclohex-3-en-1-yl)methyl acetate; 2-(tert-butyl)-4,5,6-trimethyl-1,3-phenylene dinitrite; 1,7-dioxacycloheptadecan-8-one; 1-(4-(tert-butyl)-2,6-dimethyl-3,5-dinitrophenyl)ethan-1-one; 1-(tert-butyl)-2-methoxy-4-methyl-3,5-dinitrobenzene; 3-methylcyclopentadecan-1-one; (E)-3-methylcyclopentadec-4-en-1-one; 1-(4-isopropylcyclohexyl)ethan-1-ol; (E)-dec-5-enoic acid; methyl non-2-ynoate; 2-methyldecanal; 6,6-dimethoxy-2,5,5-trimethylhex-2-ene; methyl stearate; 1,1-dimethoxy-2-methylundecane; undecan-2-one; 2-methylundecanal; methyl tetradecanoate; methyl (9Z,12Z)-octadeca-9,12-dienoate; methyl palmitate; 1-methyl-2-phenoxybenzene; 1-allyl-4-methoxybenzene; 1-(naphthalen-2-yl)ethan-1-one; methyl oct-2-ynoate; methyl 2,6,6-trimethylcyclohex-2-ene-1-carboxylate; 7-isopropyl-10-methyl-1,5-dioxaspiro[5.5]undecan-3-ol; 3-(3-(tert-butyl)phenyl) -2-methylpropanal; (E)-4-(4,8-dimethylnona-3,7-dien-1-yl)pyridine; (E)-trideca-3,12-dienenitrile; 2,2-dimethyl-3-(m-tolyl)propan-1-ol; 8-isopropyl-6-methylbicyclo[2.2.2]oct-5-ene-2-carbaldehyde; (S)-1-methyl-4-(prop-1-en-2-yl)cyecyclohex-1-ene; 3,7-dimethylocta-1,6-dien-3-yl octanoate; 3,7-dimethylocta-1,6-dien-3-yl isobutyrate; 3,7-dimethylocta-1,6-dien-3-yl benzoate; 3,7-dimethylocta-1,6-dien-3-yl 2-aminobenzoate; (2Z,6E)-3,7-dimethylnona-2,6-dienenitrile; 3-(4-methylcyclohex-3-en-1-yl)butanal; (2,5-dimethyl-1,3-dihydroinden-2-yl)methanol; 3-(4-(tert-butyl)phenyl)-2-methylpropanal; dodecan-1-ol; dodecyl acetate; dodecanoic acid; 5-hexyl-5-methyldihydrofuran-2(3H)-one; dodecanal; 4-(1-ethoxyvinyl)-3,3,5,5-tetramethylcyclohexan-1-one; ((3S,3aR,6R,8aS)-7,7-dimethyl-8-methyleneoctahydro-1H-3a,6-methanoazulen-3-yl)methanol; 5-(sec-butyl)-2-(2,4-dimethylcyclohex-3-en-1-yl)-5-methyl-1,3-dioxane; (1-methyl-2-((1,2,2-trimethylbicyclo[3.1.0]hexan-3-yl)methyl)cyclopropyllmethanol; 2-propylheptanenitrile; 2-hexylcyclopentan-1-one; 2,6,9,10-tetramethyl-1-oxaspiro(4.5)deca-3,6-diene; isopropyl palmitate; isopropyl tetradecanoate; isopropyl dodecanoate; (E)-cyclohexadec-8-en-1-one; (2S,5S)-2-isopropyl-5-methylcyclohexan-1-one; 2-hexylcyclopent-2-en-1-one; (2S,5S)-2-isopropyl-5-methylcyclohexan-1-one; 4-(4-methylpent-3-en-1-yl)cyclohex-3-ene-1-carbaldehyde; (Z)-1-(benzyloxy)-2-methoxy-4-(prop-1-en-1-yl)benze

Assignees

• Procter & Gamble

Inventors

• Frankenbach Gayle Marie

Classifications

• A61L9/01

  Deodorant compositions {(compositions released by contact with a liquid A61L9/05)} · CPC title

• C11D3/0068 Primary

  Deodorant compositions · CPC title

• A61L2/23

  Solid materials, e.g. granules, powders, blocks or tablets · CPC title

• C11D3/505

  encapsulated or adsorbed on a carrier, e.g. zeolite or clay · CPC title

• C11D3/50

  Perfumes · CPC title