WO2018085021A1 - Solid non-aqueous gel air odorizer - Google Patents

Solid non-aqueous gel air odorizer Download PDF

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Publication number
WO2018085021A1
WO2018085021A1 PCT/US2017/056445 US2017056445W WO2018085021A1 WO 2018085021 A1 WO2018085021 A1 WO 2018085021A1 US 2017056445 W US2017056445 W US 2017056445W WO 2018085021 A1 WO2018085021 A1 WO 2018085021A1
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WO
WIPO (PCT)
Prior art keywords
aqueous gel
solid non
gel air
air odorizer
odorizer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2017/056445
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English (en)
French (fr)
Inventor
Severine FERRIEUX
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dow Global Technologies LLC
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Dow Global Technologies LLC
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Filing date
Publication date
Application filed by Dow Global Technologies LLC filed Critical Dow Global Technologies LLC
Priority to EP17785144.1A priority Critical patent/EP3534972B1/en
Priority to JP2019520692A priority patent/JP7061117B2/ja
Priority to BR112019007819-3A priority patent/BR112019007819B1/pt
Priority to US16/340,236 priority patent/US10918756B2/en
Priority to CN201780064572.8A priority patent/CN109952116B/zh
Priority to AU2017355252A priority patent/AU2017355252A1/en
Publication of WO2018085021A1 publication Critical patent/WO2018085021A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/042—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating with the help of a macromolecular compound as a carrier or diluent
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/12—Scaring or repelling devices, e.g. bird-scaring apparatus using odoriferous substances, e.g. aromas, pheromones or chemical agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/01—Deodorant compositions
    • A61L9/012—Deodorant compositions characterised by being in a special form, e.g. gels, emulsions
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/044—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating with the help of an organic compound other than a macromolecular compound
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/048—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating air treating gels

Definitions

  • the present invention relates to a solid non-aqueous gel air odorizer.
  • the present invention relates to a solid non-aqueous gel air odorizer is provided, including: a poly(propylene oxide); an ethyl cellulose polymer; a C 1-5 alkyl monoester of a C 8-22 fatty acid; and a fragrance; wherein the solid non-aqueous gel air odorizer contains ⁇ 1.5 wt% water.
  • Room malodor control devices capable of releasing a deodorant or fragrance into the space surrounding the device exist in the marketplace.
  • Some such devices include fragrance holders that are inserted in a housing or shell through which ambient air is allowed access through openings such that the fragrance may be introduced into the air.
  • Other such devices comprise a matrix impregnated with the deodorant or fragrance.
  • a solid air freshener is disclosed by Braun et al. in U.S. Patent Application
  • a solid air freshener comprising the following components: i) a total amount of polyethylene glycols in the range of from 30 to 80 wt%, wherein the weight average molecular weight, M W , of the total amount of polyethylene glycols present in the solid air freshener is in the range of from 1000 to 20000 g/mol, the total amount of polyethylene glycols consisting of one, two, or more
  • polyethylene glycol materials ii) a total amount of surfactants in the range of from 5 to 40 wt%, iii) a total amount of perfume in the range of from 5 to 50 wt%, wherein the perfume consists of (a) fragrance material, and optionally (b) a solvent for the fragrance material, iv) an amount of water in the range of from Oto 10 wt%, wherein any water present in the solid air freshener is exclusively considered as component (iv), and wherein the total amount of components (i), (ii), (iii), and (iv) is at least 95 wt%, based on the total weight of the solid air freshener.
  • Mitzner discloses a perfumed gel consisting essentially of about 3 to 10 wt% of hydroxypropyl cellulose dissolved in about 90 to 97% of a solution consisting essentially of about 35 to 90% of a linear polyol plasticizer for hydroxypropyl cellulose, 10 to 55% perfume oil and 0 to 10% of a hydroxypropyl cellulose solvent selected from the class consisting of water and 1 to 3 carbon aliphatic alcohols.
  • the present invention provides a solid non-aqueous gel air odorizer, comprising: 20 to 75 wt% of a poly(propylene oxide); 0.5 to 30 wt% of an ethyl cellulose polymer; 20 to 75 wt% of a C 1-5 alkyl monoester of a C 8-22 fatty acid; and 4.5 to 50 wt% of a fragrance;
  • solid non-aqueous gel air odorizer contains ⁇ 1.5 wt% water.
  • the present invention provides a solid non-aqueous gel air odorizer, comprising: 33 to 45 wt% of a poly(propylene oxide); 9 to 11 wt% of an ethyl cellulose polymer; 38 to 50 wt% of isopropyl palmitate; and 8 to 20 wt% of a fragrance; wherein the solid non-aqueous gel air odorizer contains ⁇ 1.5 wt% water.
  • Figure is a graph depicting the weight loss of a solid non-aqueous gel air odorizer over time when exposed to open air at room temperature.
  • Mw refers to the weight average molecular weight as measured in a conventional manner with gel permeation chromatography (GPC) and polyacrylic acid standards. GPC techniques are discussed in detail in Modem Size Exclusion Chromatography, W. W. Yau, J. J. Kirkland, D. D. Bly; Wiley-lnterscience, 1979, and in A Guide to Materials Characterization and Chemical Analysis, J. P. Sibilia; VCH, 1988, p.81-84. Molecular weights are reported herein in units of Daltons.
  • polymer refers to a compound prepared by polymerizing monomers, whether of the same or a different type.
  • the generic term “polymer” includes the terms “homopolymer,” “copolymer,” and “terpolymer.”
  • solid as used herein and in the appended claims means that the solid non-aqueous gel odorizer will not flow and will substantially retain its shape under moderate stress or pressure (i.e., the force of gravity when placed on a stationary platform) and ambient conditions (i.e., at 1 atm and 25 °C).
  • the degree of rigidity of the solid non-aqueous gel odorizer may range from a dense hardened material (e.g., like concrete) to a resilient flexible material (e.g., like a rubber ball).
  • the solid non-aqueous gel odorizer of the present invention will remain solid when exposed to temperatures up to 35 °C (more preferably, 50 °C) with minimal leaching of fragrance.
  • the solid non-aqueous gel air odorizer of the present invention is self-supporting such that the solid non-aqueous gel air odorizer can be used without additional support structure or apparatus.
  • the solid non-aqueous gel air odorizer of the present invention is a solid. More preferably, the solid non-aqueous gel air odorizer of the present invention is a solid and is shape-retaining. Most preferably, the solid non-aqueous gel air odorizer of the present invention is a solid and retains its shape throughout its useful lifetime.
  • the solid non-aqueous gel air odorizer of the present invention is a self-supporting solid that is dry to the touch.
  • the solid non-aqueous gel air odorizer of the present invention comprises: 20 to 75 wt% (preferably, 20 to 70 wt%; more preferably, 25 to 60 wt%; most preferably, 33 to 45 wt%) of a poly(propylene oxide) (preferably, wherein the
  • poly(propylene oxide) has a weight average molecular weight of 100 to 10,000 (preferably, 200 to 3,000; more preferably, 300 to 1,000; most preferably, 400 to 500) Daltons); 0.5 to 30 wt% (preferably, 2.5 to 30 wt%; more preferably, 5 to 15 wt%; most preferably, 9 to 11 wt%) of an ethyl cellulose polymer; 20 to 75 wt% (preferably, 20 to 70 wt%; more preferably, 25 to 60 wt%; most preferably, 38 to 50 wt%) of a C1-5 alkyl monoester of a C 8-22 fatty acid (preferably, wherein the C 1-5 alkyl monoester of the C 8-22 fatty acid is selected from the group consisting of at least one of isopropyl palmitate, methyl oleate and butyl stearate; more preferably, wherein the C 1-5 alkyl monoester of a C 8-22 fatty acid is selected from the group consisting of
  • the poly(propylene oxide) used in the solid non-aqueous gel air odorizer of the present invention has a weight average molecular weight of 100 to 10,000 Daltons. More preferably, the poly(propylene oxide) used in the solid non-aqueous gel air odorizer of the present invention has a weight average molecular weight of 200 to 3,000 Daltons. Still more preferably, the poly(propylene oxide) used in the solid non-aqueous gel air odorizer of the present invention has a weight average molecular weight of 300 to 1,000 Daltons. Most preferably, the poly(propylene oxide) used in the solid non-aqueous gel air odorizer of the present invention has a weight average molecular weight of 400 to 500 Daltons.
  • the solid non-aqueous gel air odorizer of the present invention comprises 20 to 75 wt% of the poly(propylene oxide), based on weight of the solid non-aqueous gel air odorizer, wherein the poly(propylene oxide) used has a weight average molecular weight of 100 to 10,000 (preferably, 200 to 3,000; more preferably, 300 to 1,000; most preferably, 400 to 500) Daltons.
  • the solid non-aqueous gel air odorizer of the present invention comprises 20 to 70 wt% of the poly(propylene oxide), based on weight of the solid non-aqueous gel air odorizer, wherein the poly(propylene oxide) used has a weight average molecular weight of 100 to 10,000 (preferably, 200 to 3,000; more preferably, 300 to 1,000; most preferably, 400 to 500) Daltons.
  • the solid non-aqueous gel air odorizer of the present invention comprises 25 to 60 wt% of the poly(propylene oxide), based on weight of the solid non-aqueous gel air odorizer, wherein the poly(propylene oxide) used has a weight average molecular weight of 100 to 10,000 (preferably, 200 to 3,000; more preferably, 300 to 1,000; most preferably, 400 to 500) Daltons.
  • the solid non-aqueous gel air odorizer of the present invention comprises 33 to 45 wt% of the poly(propylene oxide), based on weight of the solid non-aqueous gel air odorizer, wherein the poly(propylene oxide) used has a weight average molecular weight of 100 to 10,000 (preferably, 200 to 3,000; more preferably, 300 to 1,000; most preferably, 400 to 500) Daltons.
  • the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has an average ethoxyl content of 45 to 50 wt%. More preferably, the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has an average ethoxyl content of 48 to 50 wt%. Most preferably, the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has an average ethoxyl content of 48 to 49.5 wt%.
  • the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has a viscosity of 90 to 400 cP for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer. More preferably, the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has a viscosity of 180 to 385 cP for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the ethyl cellulose polymer used in the solid non-aqueous gel air odorizer of the present invention has a viscosity of 270 to 330 cP for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 0.5 to 30 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer. More preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 2.5 to 30 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer. Still more preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 5 to 15 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer. Most preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 9 to 11 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 0.5 to 30 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer; wherein the ethyl cellulose polymer has a viscosity of 90 to 400 cP (more preferably, 180 to 385 cP; most preferably, 270 to 330 cP) for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 2.5 to 30 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer; wherein the ethyl cellulose polymer has a viscosity of 90 to 400 cP (more preferably, 180 to 385 cP; most preferably, 270 to 330 cP) for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 5 to 15 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer; wherein the ethyl cellulose polymer has a viscosity of 90 to 400 cP (more preferably, 180 to 385 cP; most preferably, 270 to 330 cP) for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 9 to 11 wt% of the ethyl cellulose polymer, based on weight of the solid non-aqueous gel air odorizer; wherein the ethyl cellulose polymer has a viscosity of 90 to 400 cP (more preferably, 180 to 385 cP; most preferably, 270 to 330 cP) for a 5 wt% solution (in 80% toluene and 20% ethanol) measured at 25 °C using an Ubbelohde viscometer.
  • the C1-5 alkyl monoester of a C8-22 fatty acid used in the solid non- aqueous gel air odorizer of the present invention is selected to have a Hansen solubility parameter ⁇ d (dispersion) of 13.5 to 16; ⁇ p (dipolar) of 2 to 8; and ⁇ h (hydrogen bonding) of 2 to 8.
  • the C1-5 alkyl monoester of a C8-22 fatty acid used in the solid non- aqueous gel air odorizer of the present invention is selected to have a Hansen solubility parameter ⁇ d (dispersion) of 14 to 15; ⁇ p (dipolar) of 3 to 5; and ⁇ h (hydrogen bonding) of 3 to 5.
  • the C1-5 alkyl monoester of a C8-22 fatty acid used in the solid non- aqueous gel air odorizer of the present invention is selected from the group consisting of at least one of isopropyl palmitate, methyl oleate and butyl stearate. More preferably, the C1-5 alkyl monoester of a C 8-22 fatty acid used in the solid non-aqueous gel air odorizer of the present invention is selected from the group consisting of at least one of isopropyl palmitate and butyl stearate.
  • the C 1-5 alkyl monoester of a C 8-22 fatty acid used in the solid non-aqueous gel air odorizer of the present invention includes isopropyl palmitate.
  • the C1-5 alkyl monoester of a C8-22 fatty acid used in the solid non-aqueous gel air odorizer of the present invention is isopropyl palmitate.
  • the solid non-aqueous gel air odorizer of the present invention comprises 20 to 75 wt% of the C 1-5 alkyl monoester of a C 8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer. More preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 20 to 70 wt% of the C 1-5 alkyl monoester of a C8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 25 to 60 wt% of the C1-5 alkyl monoester of a C8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 38 to 50 wt% of the C1-5 alkyl monoester of a C8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer.
  • the solid non-aqueous gel air odorizer of the present invention comprises 20 to 75 wt% of the C 1-5 alkyl monoester of a C 8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer; wherein the C1-5 alkyl monoester of a C8-22 fatty acid is selected from the group consisting of at least one of isopropyl palmitate, methyl oleate and butyl stearate (more preferably, isopropyl palmitate and butyl stearate; most preferably, isopropyl palmitate).
  • the solid non-aqueous gel air odorizer of the present invention comprises 20 to 70 wt% of the C1-5 alkyl monoester of a C8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer; wherein the C 1-5 alkyl monoester of a C 8-22 fatty acid is selected from the group consisting of at least one of isopropyl palmitate, methyl oleate and butyl stearate (more preferably, isopropyl palmitate and butyl stearate; most preferably, isopropyl palmitate).
  • the solid non-aqueous gel air odorizer of the present invention comprises 25 to 60 wt% of the C1-5 alkyl monoester of a C 8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer; wherein the C 1-5 alkyl monoester of a C8-22 fatty acid is selected from the group consisting of at least one of isopropyl palmitate, methyl oleate and butyl stearate (more preferably, isopropyl palmitate and butyl stearate; most preferably, isopropyl palmitate).
  • the solid non-aqueous gel air odorizer of the present invention comprises 38 to 50 wt% of the C 1-5 alkyl monoester of a C8-22 fatty acid, based on weight of the solid non-aqueous gel air odorizer; wherein the C 1-5 alkyl monoester of a C 8-22 fatty acid is selected from the group consisting of at least one of isopropyl palmitate, butyl stearate and butyl stearate (more preferably, isopropyl palmitate and butyl stearate; most preferably, isopropyl palmitate).
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention is selected from at least one of a synthetic odorant and a natural odorant.
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention includes a synthetic odorant.
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention includes a synthetic odorant, wherein the synthetic odorant is selected from the group consisting of at least one of a synthetic product of an ester (e.g., benzyl acetate, phenoxy ethyl isobutyrate, p-tert-butylcyclohexyl acetate, linalyl acetate, dimethyl benzyl carbinyl acetate, phenyl ethyl acetate, linalyl benzoate, benzyl formate, ethyl methyl phenyl glycinate, allyl cyclohexyl propionate, styrallyl propionate, benzyl salicylate, cyclohexyl salicate, flo
  • an ester e.g
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention includes a natural odorant.
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention includes a natural odorant, wherein the natural odorant is an extract derived from a plant source (e.g., pine, citrus, jasmine, patchouli, rose, ylang-ylang, clary sage, chamomile, cloves, balm, mint, cinnamon leaf, lime blossom, juniper berry, vetiver, olibanum, galbanum, labdanum, orange blossom, orange peel, sandalwood, lily, lavender, geranium, petitgrain, aniseed, coriander, cumin, nutmeg, bergamot, lemon, maize, angelica, celery, cardamom, costas, iris, calmus, vetiver, guaiac, cedarwood, rosewood, tarragon,
  • a plant source e.
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention is selected from the group consisting of at least one of nitriles, sulfides, oximes, acetals, ketals, acids, Schiff bases, heterocyclic nitrogen compounds (e.g., indole, quinoline, pyrazine), amines, amides, organohalogen compounds (e.g., rose acetate), nitrated compounds (e.g., nitromusk), heterocyclic sulfur compounds (e.g., thiazoles) and heterocyclic oxygen compounds.
  • nitriles e.g., indole, quinoline, pyrazine
  • amines e.g., amides
  • organohalogen compounds e.g., rose acetate
  • nitrated compounds e.g., nitromusk
  • heterocyclic sulfur compounds e.g., thiazoles
  • heterocyclic oxygen compounds e.g
  • the fragrance used in the solid non-aqueous gel air odorizer of the present invention is selected from the group consisting of orange oil, geraniol, rose oil, lilial, ⁇ -hexylcinnamaldehyde, ⁇ -amylcinnamaldehyde, propidyl, hexyl salicylate, cedramber, myraldyl acetate, linalool, tetrahydrolinaool, citronellol, Aldehyde C12 lauric, 5-methyl-5-propyl-2-(1-methylbutyl)-1,3-dioxane, diphenyl ether, N-methyl ionone, cyclohexyl salicylate, sandelice and boisambrene forte.
  • the solid non-aqueous gel air odorizer of the present invention comprises 4.5 to 50 wt% of a fragrance. More preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 7.5 to 30 wt% of a fragrance. Most preferably, the solid non-aqueous gel air odorizer of the present invention, comprises 8 to 20 wt% of a fragrance.
  • the solid non-aqueous gel air odorizer of the present invention comprises ⁇ 1.5 wt% water, based on weight of the solid non-aqueous gel air odorizer. More preferably, the solid non-aqueous gel air odorizer of the present invention, comprises ⁇ 1.0 wt% water, based on weight of the solid non-aqueous gel air odorizer. Still more preferably, the solid non-aqueous gel air odorizer of the present invention, comprises ⁇ 0.5 wt% water, based on weight of the solid non-aqueous gel air odorizer. Most preferably, the solid non-aqueous gel air odorizer of the present invention, comprises ⁇ 0.1 wt% water, based on weight of the solid non-aqueous gel air odorizer.
  • the solid non-aqueous gel air odorizer of the present invention further comprises an optional additive, wherein the optional additive is selected from the group consisting of at least one of a preservative (e.g., Kathon TM preservatives and Neolone ® preservatives from The Dow Chemical Company and Lonza, respectively), an antioxidant, a viscosity modifier, a solubility modifier, an antimicrobial agent, a binder, a chelating agent, a fungicide, an aesthetics enhancer and a filler.
  • a preservative e.g., Kathon TM preservatives and Neolone ® preservatives from The Dow Chemical Company and Lonza, respectively
  • an antioxidant e.g., a viscosity modifier, a solubility modifier, an antimicrobial agent, a binder, a chelating agent, a fungicide, an aesthetics enhancer and a filler.
  • a preservative e.g., Kathon TM preserv
  • the solid non-aqueous gel air odorizer of the present invention further comprises an optional additive, wherein the optional additive includes an aesthetics enhancer selected from the group consisting of at least one of flowers, beads, dyes, pigments (e.g., metallic pigments, thermochromic pigments), photochromic agents, optical brighteners, pearlescent agents, glitters and luminescent agents (e.g., chemiluminescent, bioluminescent).
  • an aesthetics enhancer selected from the group consisting of at least one of flowers, beads, dyes, pigments (e.g., metallic pigments, thermochromic pigments), photochromic agents, optical brighteners, pearlescent agents, glitters and luminescent agents (e.g., chemiluminescent, bioluminescent).
  • the solid non-aqueous gel air odorizer of the present invention can be used as a solid air-freshener with a useful lifetime of > 30 days (preferably, > 50 days) during which the solid non-aqueous gel air odorizer retains its shape and produce a consistent level of odorization.
  • the solid non-aqueous gel air odorizer of the present invention is self supporting, it does not require costly holders or containers and is amenable to being presented in the form of a shaped object (e.g., in the shape of an animal or flower).
  • the solid non-aqueous gel air odorizer of the present invention is also amenable to being colored.
  • the solid non-aqueous gel air odorizer of the present invention can be provided in a variety of shapes and sizes to facilitate customization for use as air fresheners in HVAC units (e.g., a pellets or flakes of gel incorporated into non-woven filter elements), air fresheners for vehicles (e.g., cars, boats), air fresheners or disinfecting components for use in vacuum cleaners.
  • HVAC units e.g., a pellets or flakes of gel incorporated into non-woven filter elements
  • air fresheners for vehicles e.g., cars, boats
  • air fresheners or disinfecting components for use in vacuum cleaners.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
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  • Chemical & Material Sciences (AREA)
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  • Engineering & Computer Science (AREA)
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  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cosmetics (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
PCT/US2017/056445 2016-11-02 2017-10-13 Solid non-aqueous gel air odorizer Ceased WO2018085021A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP17785144.1A EP3534972B1 (en) 2016-11-02 2017-10-13 Solid non-aqueous gel air odorizer
JP2019520692A JP7061117B2 (ja) 2016-11-02 2017-10-13 固形非水性ゲル状空気賦香物質
BR112019007819-3A BR112019007819B1 (pt) 2016-11-02 2017-10-13 Odorizante de ar em gel não aquoso sólido
US16/340,236 US10918756B2 (en) 2016-11-02 2017-10-13 Solid non-aqueous gel air odorizer
CN201780064572.8A CN109952116B (zh) 2016-11-02 2017-10-13 固体非水性凝胶空气增香剂
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