# US 7,407,650 B2 · Fragrance compositions > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,407,650 B2 - Document ID: US7407650B2 - Status: Granted - Kind: B2 - Application number: 10/422,876 - Filed: 2003-04-24 - Published: 2007-02-15 - Granted: 2008-08-05 - Earliest claimed: 2000-11-03 - Assignees: The Procter & Gamble Company - Inventors: Gabor Heltovics; Jerome Anthony Janszen; Jill Maureen Mattila; Lynette Anne Makins Holland; Jane Margaret Warwick - Web page: https://patentgrep.com/patent/US7407650B2 ## CPC - A61K 8/11: Encapsulated compositions - A61Q 13/00: Formulations or additives for perfume preparations (essential oils or perfumes per se C11B9/00) - A61K: PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES (devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms A61J3/00; chemical aspects of, or use of materials for deodorisation of air, for disinfection or sterilisation, or for bandages, dressings, absorbent pads or surgical articles A61L; soap compositions C11D) - A61Q: SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS ## Abstract The present invention relates to a composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) one or more perfume raw materials with a high odour impact which have an odour detection threshold of less than, or equal to about 50 parts per billion (ii) less than about 4%, by weight of the fragrance oil, of top note perfume raw materials where in the top note perfume raw materials have a boiling point of less than 250° C. at 1 atmosphere pressure (b) an entrapment material which is selected from the group consisting of polymers; capsules, microcapsules, and nanocapsules; liposomes; film formers; absorbents; cyclic oligosaccharides and mixtures thereof; wherein the perfume raw material and the entrapment material exist in an associated form on the substrate and wherein the weight ratio of high odour impact perfume raw materials which have an odour detection threshold of less than, or equal to, about 50 parts per billion to entrapment material within the associated form falls in the range of about 1:20 to about 20:1. ## Claims ### Claim 1 A composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) one or more perfume raw materials with a high odour impact which have an odor detection threshold of less than, or equal to about 50 parts per billion (ii) less than about 4%, by weight of the fragrance oil, of top note perfume raw materials where in the top note perfume raw materials have a boiling point of less than 250° C. at 1 atmosphere pressure; (b) an entrapment material which is not pre-associated with the fragrance oil prior to inclusion into the composition and which is selected from the group consisting of polymers; capsules, microcapsules, and nanocapsules; liposomes; film formers; absorbents; cyclic oligosaccharides and mixtures thereof; (c) greater than about 50%, by weight, of a volatile solvent; and (d) from about 5% to about 20% water, by weight of the composition; wherein the perfume raw material and the entrapment material exist in an associated form on the substrate and wherein the weight ratio of high odour impact perfume raw materials which have an odour detection threshold of less than, or equal to, about 50 parts per billion to entrapment material within the associated form falls in the range of about 1:20 to about 20:1. ### Claim 2 (depends on 1) A composition according to claim 1 wherein the weight ratio of the high odour impact perfume raw materials to the entrapment material within the associated form is in the range of from about 1:10 to about 10:1. ### Claim 3 (depends on 1) A composition according to claim 1 wherein the composition comprises from about 0.01% to about 99%, by weight, of the fragrance oil. ### Claim 4 (depends on 1) A composition according to claim 1 wherein the fragrance oil comprises from about 0.1% to about 99%, by weight of the fragrance oil, of high odour impact perfume raw materials which have an odour detection threshold of less than, or equal to, 50 parts per billion. ### Claim 5 (depends on 1) A composition according to claim 1 wherein the high odour impact perfume raw materials have an odour detection threshold of less than, or equal to about 40 parts per billion. ### Claim 6 (depends on 1) A composition according to claim 1 wherein the entrapment material is selected from the group consisting of pro-perfumers, absorbents, cyclic oligosaccharides and mixtures thereof. ### Claim 7 (depends on 1) A composition according to claim 1 comprising from about 0.1% to about 95%, by weight, of said entrapment material. ### Claim 8 (depends on 1) A composition according to claim 1 wherein the volatile solvent has a boiling point, at 1 atmosphere pressure, of less than about 150° C. ### Claim 9 (depends on 1) A composition according to claim 1 wherein the volatile solvent is selected from the group consisting of ethers, straight or branched chain alcohols and diols, volatile silicones, propellants, and mixtures thereof. ### Claim 10 (depends on 1) A composition according to claim 1 wherein the volatile solvent is ethanol. ### Claim 11 (depends on 1) A composition according to claim 1 wherein the composition is a fine fragrance composition. ### Claim 12 A composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) one or more perfume raw materials with a high odour impact which have an odour detection threshold of less than, or equal to about 50 parts per billion (ii) less than about 4%, by weight of the fragrance oil, of top note perfume raw materials where in the top note perfume raw materials have a boiling point of less than 250° C. at 1 atmosphere pressure (b) an entrapment material which is not pre-associated with the fragrance oil prior to inclusion into the composition and which is selected from the group consisting of polymers; capsules, microcapsules, and nanocapsules; liposomes; film formers; absorbents; cyclic oligosaccharides and mixtures thereof; and (c) from about 5% to about 20% water, by weight of the composition; wherein the perfume raw material and the entrapment material exist in an associated form on the substrate, wherein the weight ratio of high odour impact perfume raw materials which have an odor detection threshold of less than, or equal to, about 50 parts per billion to entrapment material within the associated form falls in the range of about 1:20 to about 20:1 and wherein the high odour impact raw material, or mixture of raw materials, remain detectable on the substrate for greater than about 2 hours, preferably greater than about 4 hours, more preferably greater than about 6 hours after the composition has been applied to the substrate. ### Claim 13 (depends on 1) A method of fragrancing a substrate comprising: (i) applying the composition of claim 1 to said substrate; and (ii) allowing said composition to dry. ### Claim 14 A method for fragrancing a substrate, the method comprising the step of applying a composition to the substrate, the composition comprising: (a) a fragrance oil wherein the fragrance oil comprises: (i) one or more perfume raw materials with a high odour impact which have an odor detection threshold of less than, or equal to about 50 parts per billion (ii) less than about 4%, by weight of the fragrance oil, of top note perfume raw materials where in the top note perfume raw materials have a boiling point of less than 250° C. at 1 atmosphere pressure; (b) an entrapment material which is not pre-associated with the fragrance oil prior to inclusion into the composition and which is selected from the group consisting of polymers; capsules, microcapsules, and nanocapsules; liposomes; film formers; absorbents; cyclic oligosaccharides and mixtures thereof; and (c) greater than about 50%, by weight, of a volatile solvent; wherein the perfume raw material and the entrapment material exist in an associated form on the substrate and wherein the weight ratio of high odour impact perfume raw materials which have an odour detection threshold of less than, or equal to, about 50 parts per billion to entrapment material within the associated form falls in the range of about 1:20 to about 20:1; whereupon after application to the substrate, at least some of the fragrance oil and the entrapment material form a reversible physical or chemical association. ### Claim 15 (depends on 14) The method of claim 14, wherein the entrapment material comprises cyclic oligosaccharides selected from the group consisting of α-cyclodextrin, β-cyclodextrin, methyl-α-cyclodextrin, methyl-β-cyclodextrin, and mixtures thereof.