A dispenser comprising a first reservoir in liquid communication with a first pump; a second reservoir in liquid communication with a second pump; exit orifice; and an actuator; wherein the first and second pumps are in liquid communication with the exit orifice; wherein the second pump is in liquid
A dispenser comprising a first reservoir in liquid communication with a first pump; a second reservoir in liquid communication with a second pump; exit orifice; and an actuator; wherein the first and second pumps are in liquid communication with the exit orifice; wherein the second pump is in liquid communication with the exit orifice; wherein said first and second pumps are in communication with the actuator; wherein the first reservoir comprises a first composition, comprising a volatile solvent and a first fragrance; wherein the second reservoir comprises a second composition, comprising a carrier and a plurality of microcapsules; wherein the exit orifice dispenses a first dose of the first composition and a second dose of the second composition; wherein the microcapsules have a volume weighted fracture strength from about 0.1 Mpa to about 25 Mpa, and a median volume-weighted particle size from about 2 microns to about 80 microns.
대표청구항▼
1. A dispenser comprising: a first reservoir in liquid communication with a first pump;a second reservoir in liquid communication with a second pump;a swirl chamber;at least one exit orifice; andan actuator;wherein the first pump is in liquid communication with said swirl chamber, which is in liquid
1. A dispenser comprising: a first reservoir in liquid communication with a first pump;a second reservoir in liquid communication with a second pump;a swirl chamber;at least one exit orifice; andan actuator;wherein the first pump is in liquid communication with said swirl chamber, which is in liquid communication with the at least one exit orifice;wherein the second pump is in liquid communication with said swirl chamber, which is in liquid communication with the at least one exit orifice;wherein said first and second pumps are in communication with the actuator;wherein the first reservoir comprises a first composition, said first composition comprising a volatile solvent and a first fragrance;wherein the second reservoir comprises a second composition, said second composition comprising a carrier and a plurality of microcapsules said microcapsules not exceeding, 10% by weight of said second composition;wherein the at least one exit orifice dispenses a first dose of the first composition and a second dose of the second composition;wherein the microcapsules have a volume weighted fracture strength from about 0.1 Mpa to about 25 Mpa, from about 0.5 Mpa to about 25 Mpa, from about 0.5 Mpa to about 20 Mpa, from about 0.5 Mpa to about 15 Mpa, from about 0.5 to about 10 Mpa, or from about 1.0 to about 8.0 Mpa; andwherein the microcapsules have a median volume-weighted particle size of from about 2 microns to about 80 microns, from about 10 microns to about 30 microns, or from about 10 microns to about 20 microns. 2. The dispenser of claim 1, wherein the second composition further comprises a second fragrance encapsulated within at least some of the microcapsules. 3. The dispenser of claim 2, wherein the first fragrance and the second fragrance vary in chemical make-up. 4. The dispenser of claim 2, wherein the second fragrance has a ClogP of less than 4.5. 5. The dispenser of claim 2, wherein the microcapsules further comprise an oil soluble material that has a ClogP of 4.5 or greater. 6. The dispenser of claim 5, wherein the oil soluble material comprises a material selected from the group consisting of mono, di- and tri-esters of C4-C24 fatty acids and glycerine; isopropryl myristate; soybean oil; hexadecanoic acid; methyl ester; isododecane; and combinations thereof. 7. The dispenser of claim 5, wherein the microcapsules comprise a material selected from the group consisting of polyacrylates; polyethylenes; polyamides; polystyrenes; polyisoprenes; polycarbonates; polyesters; polyureas; polyurethanes; polyolefins; polysaccharides; epoxy resins; vinyl polymers; urea cross-linked with formaldehyde or 3lutaraldehyde; melamine cross-linked with formaldehyde; gelatin-polyphosphate coacervates optionally cross-linked with 4lutaraldehyde; gelatin-gum Arabic coacervates; cross-linked silicone fluids; polyamine reacted with polyisocyanates; acrylate monomers polymerized via free radical polymerization; silk; wool; gelatine; cellulose; proteins; and combinations thereof. 8. The dispenser of claim 5, wherein the microcapsules comprise a polyacrylate material. 9. The dispenser of claim 5, wherein the microcapsules comprise a reaction product of a first mixture in the presence of a second mixture comprising an emulsifier, the first mixture comprising a reaction product of i) an oil soluble or dispersible amine with ii) a multifunctional acrylate or methacrylate monomer or oligomer, an oil soluble acid and an initiator, the emulsifier comprising a water soluble or water dispersible acrylic acid alkyl acid copolymer, an alkali or alkali salt, and optionally a water phase initiator. 10. The dispenser of claim 9, wherein said amine is a diethylaminoethyl methacrylate, dimethylaminoethyl methacrylate, or tertiarybutyl aminoethyl methacrylate. 11. The dispenser of claim 1, wherein the first composition and second composition are dispensed from the dispenser at a volume ratio of from about 10:1 to about 1:10, about 5:1 to about1:5, from about 3:1 to about 1:3, or from about 2:1 to about 1:1 of the first composition to the second composition. 12. The dispenser of claim 1, wherein the first dose and the second dose have a combined volume of from about 30 microliters to 300 microliters, from about 50 microliters to 140 microliters, or from about 70 microliters to 130 microliters. 13. The dispenser of claim 1, wherein the volatile solvent comprises ethanol. 14. A dispenser comprising: a first reservoir in liquid communication with a first pump;a second reservoir in liquid communication with a second pump;a swirl chamber;at least one exit orifice; andan actuator;wherein the first pump is in liquid communication with said swirl chamber which is in liquid communication with the at least one exit orifice;wherein the second pump is in liquid communication with said swirl chamber which is in liquid communication with the at least one exit orifice;wherein said first and second pumps are in communication with the actuator;wherein the first reservoir comprises the first composition, the first composition comprising ethanol and a first fragrance;wherein the second reservoir comprises the second composition, the second composition comprising water; a suspending agent; and a plurality of microcapsules comprising a polyacrylate, at least some of which encapsulate a second perfume which may be the same or different from the first perfume said microcapsules not exceeding 7% by weight of said second composition;wherein the at least one exit orifice dispenses a dose of the first composition and a dose of the second composition at about the same time; andwherein the first composition and second composition are dispensed from the dispenser at a volume ratio of about 2:1 to about 1:1;wherein the volume weighted fracture strength of the majority of microcapsules is from about 1.0 to about 8.0 Mpa; andwherein the median volume weight size of the microcapsules is about 10 to about 20 microns. 15. The dispenser of claim 14, wherein the first dose and the second dose have a combined volume of from about 30 microliters to 300 microliters, from about 50 microliters to 140 microliters, or from about 70 microliters to 130 microliters.
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이 특허에 인용된 특허 (18)
Corba Robert E. (Caledonia WI) Miller Allen D. (Mt. Pleasant WI) Musiel D. James (Racine WI) Martin Frederick H. (Mt. Pleasant WI) Bohrer Stephanie (Racine WI) Miller Jack E. (Houston TX), Assembly for simultaneous dispensing of multiple fluids.
Nottingham John R. (Hunting Valley OH) McCarthy Richard O. (Strongsville OH) Stanca Nick E. (Westlake OH), Dual chamber sprayer with metering assembly.
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