Freshening compositions comprising controlled release modulators

An air freshener device comprising:

• (1) a reservoir;
• and
• (2) a freshening composition comprising:
• (i) from about 0.1 wt % to about 95 wt % perfume raw material, the perfume raw material comprising one or more ingredients selected from the group consisting of an ester, an alcohol, an aldehyde, a ketone, an acetal, a phenol, an ether, a lactone, a furan, a hydrocarbon, an acid, a natural origin fragrance compound, a synthetic origin fragrance compound, a stereoisomer of any preceding perfume raw material, and a mixture of any of the preceding perfume raw materials;
• and
• (ii) from about 0.01 wt % to about 90 wt % fragrance release modulator having two or more characteristics selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension of less than about 60 mN/m,
• (c) a dynamic viscosity from about 0.5 cp to about 100 cp, and
• (d) a density from about 600 g/l to about 1,300 g/l;
• wherein the fragrance release modulator is selected from the group consisting of a C2-8 linear alcohol, a C2-8 branched alcohol, an alkyl-ether, an aryl-ether, an alkyl-glycol, an aryl-glycol, an alkyl-carbonate, an aryl-carbonate, propylene carbonate, an alkyl-diol, an aryl-diol, an alkyl-adipate, an aryl-adipate, an alkyl-benzoate, an aryl-benzoate, an alkyl-citrate, an aryl-citrate, an alkyl-laurate, an aryl-laurate, an alkyl-palmitate, an aryl-palmitate, an alkyl-stearate, an aryl-stearate, an alkyl-myristate, an aryl-myristate, an alkyl-succinate, an aryl-succinate, an alkyl-glutarate, an aryl-glutarate, a silicon solvent, n-butyl propionate, a stereoisomer of any preceding fragrance release modulator, and a mixture of any of the preceding fragrance release modulators;
• wherein the freshening composition houses in the reservoir;
• wherein the freshening composition is adapted to have two or more of a characteristic selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension from about 10 mN/m to about 40 mN/m,
• (c) a dynamic viscosity from about 1 cp to about 30 cp, and
• (d) a density from about 650 g/l to about 1,300 g/l;
• and
• wherein the amount of the fragrance release modulator is sufficient to modulate release of the freshening composition or of a component thereof, relative to a control not comprising the fragrance release modulator and being assigned a value of 100%, by at least 10%.

A method for manufacturing a freshening composition, the method comprising the step of combining:

• (i) from about 0.1 wt % to about 95 wt % perfume raw material, the perfume raw material comprising one or more ingredients selected from the group consisting of an ester, an alcohol, an aldehyde, a ketone, an acetal, a phenol, an ether, a lactone, a furan, a hydrocarbon, an acid, a natural origin fragrance compound, a synthetic origin fragrance compound, a stereoisomer of any preceding perfume raw material, and a mixture of any of the preceding perfume raw materials;
• and
• (ii) from about 0.01 wt % to about 90 wt % fragrance release modulator having two or more characteristics selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension of less than about 60 mN/m,
• (c) a dynamic viscosity from about 0.5 cp to about 100 cp, and
• (d) a density from about 600 g/l to about 1,300 g/l;
• wherein the fragrance release modulator is selected from the group consisting of a C2-8 linear alcohol, a C2-8 branched alcohol, an alkyl-ether, an aryl-ether, an alkyl-glycol, an aryl-glycol, an alkyl-carbonate, an aryl-carbonate, propylene carbonate, an alkyl-diol, an aryl-diol, an alkyl-adipate, an aryl-adipate, an alkyl-benzoate, an aryl-benzoate, an alkyl-citrate, an aryl-citrate, an alkyl-laurate, an aryl-laurate, an alkyl-palmitate, an aryl-palmitate, an alkyl-stearate, an aryl-stearate, an alkyl-myristate, an aryl-myristate, an alkyl-succinate, an aryl-succinate, an alkyl-glutarate, an aryl-glutarate, a silicon solvent, n-butyl propionate, a stereoisomer of any preceding fragrance release modulator, and a mixture of any of the preceding fragrance release modulators;
• wherein the freshening composition is adapted to have two or more of a characteristic selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension from about 10 mN/m to about 40 mN/m,
• (c) a dynamic viscosity from about 1 cp to about 30 cp, and
• (d) a density from about 650 g/l to about 1,300 g/l;
• and
• wherein the amount of the fragrance release modulator is sufficient to modulate release of the freshening composition or of a component thereof, relative to a control not comprising the fragrance release modulator and being assigned a value of 100%, by at least 10%;
• thereby producing a freshening composition comprising (i) and (ii).

A method for manufacturing an air freshener device comprising a freshening composition,

• the method comprising the step of contacting a reservoir in an air freshener device with a freshening composition;
• wherein the freshening composition comprises:
• (i) from about 0.1 wt % to about 95 wt % perfume raw material, the perfume raw material comprising one or more ingredients selected from the group consisting of an ester, an alcohol, an aldehyde, a ketone, an acetal, a phenol, an ether, a lactone, a furan, a hydrocarbon, an acid, a natural origin fragrance compound, a synthetic origin fragrance compound, a stereoisomer of any preceding perfume raw material, and a mixture of any of the preceding perfume raw materials;
• and
• (ii) from about 0.01 wt % to about 90 wt % fragrance release modulator having two or more characteristics selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension of less than about 60 mN/m,
• (c) a dynamic viscosity from about 0.5 cp to about 100 cp, and
• (d) a density from about 600 g/l to about 1,300 g/l;
• wherein the fragrance release modulator is selected from the group consisting of a C2-8 linear alcohol, a C2-8 branched alcohol, an alkyl-ether, an aryl-ether, an alkyl-glycol, an aryl-glycol, an alkyl-carbonate, an aryl-carbonate, propylene carbonate, an alkyl-diol, an aryl-diol, an alkyl-adipate, an aryl-adipate, an alkyl-benzoate, an aryl-benzoate, an alkyl-citrate, an aryl-citrate, an alkyl-laurate, an aryl-laurate, an alkyl-palmitate, an aryl-palmitate, an alkyl-stearate, an aryl-stearate, an alkyl-myristate, an aryl-myristate, an alkyl-succinate, an aryl-succinate, an alkyl-glutarate, an aryl-glutarate, a silicon solvent, n-butyl propionate, a stereoisomer of any preceding fragrance release modulator, and a mixture of any of the preceding fragrance release modulators;
• wherein the freshening composition is adapted to have two or more of a characteristic selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension from about 10 mN/m to about 40 mN/m,
• (c) a dynamic viscosity from about 1 cp to about 30 cp, and
• (d) a density from about 650 g/l to about 1,300 g/l;
• and
• wherein the amount of the fragrance release modulator is sufficient to modulate release of the freshening composition or of a component thereof, relative to a control not comprising the fragrance release modulator and being assigned a value of 100%, by at least 10%;
• thereby producing the air freshener device comprising the freshening composition.

A method for modulating release of a freshening composition or of a component thereof, the method comprising the step of combining:

• (i) from about 0.1 wt % to about 95 wt % perfume raw material, the perfume raw material comprising one or more ingredients selected from the group consisting of an ester, an alcohol, an aldehyde, a ketone, an acetal, a phenol, an ether, a lactone, a furan, a hydrocarbon, an acid, a natural origin fragrance compound, a synthetic origin fragrance compound, a stereoisomer of any preceding perfume raw material, and a mixture of any of the preceding perfume raw materials;
• and
• (ii) from about 0.01 wt % to about 90 wt % fragrance release modulator having two or more characteristics selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension of less than about 60 mN/m,
• (c) a dynamic viscosity from about 0.5 cp to about 100 cp, and
• (d) a density from about 600 g/l to about 1,300 g/l;
• wherein the fragrance release modulator is selected from the group consisting of a C2-8 linear alcohol, a C2-8 branched alcohol, an alkyl-ether, an aryl-ether, an alkyl-glycol, an aryl-glycol, an alkyl-carbonate, an aryl-carbonate, propylene carbonate, an alkyl-diol, an aryl-diol, an alkyl-adipate, an aryl-adipate, an alkyl-benzoate, an aryl-benzoate, an alkyl-citrate, an aryl-citrate, an alkyl-laurate, an aryl-laurate, an alkyl-palmitate, an aryl-palmitate, an alkyl-stearate, an aryl-stearate, an alkyl-myristate, an aryl-myristate, an alkyl-succinate, an aryl-succinate, an alkyl-glutarate, an aryl-glutarate, a silicon solvent, n-butyl propionate, a stereoisomer of any preceding fragrance release modulator, and a mixture of any of the preceding fragrance release modulators;
• wherein the freshening composition is adapted to have two or more of a characteristic selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension from about 10 mN/m to about 40 mN/m,
• (c) a dynamic viscosity from about 1 cp to about 30 cp, and
• (d) a density from about 650 g/l to about 1,300 g/l;
• and
• wherein the amount of the fragrance release modulator in the freshening composition is sufficient to modulate release of the freshening composition or of a component thereof, relative to a control not comprising the fragrance release modulator and being assigned a value of 100%, by at least 10%;
• thereby the release of the freshening composition or of the component thereof is modulated.

A method for delivering a smell or scent of a freshening composition or of a component thereof into an atmosphere, air, or onto a surface, the method comprising the step of delivering a freshening composition or a component thereof to a delivery system within an air freshener device;

• wherein the freshening composition comprises:
• (i) from about 0.1 wt % to about 95 wt % perfume raw material, the perfume raw material comprising one or more ingredients selected from the group consisting of an ester, an alcohol, an aldehyde, a ketone, an acetal, a phenol, an ether, a lactone, a furan, a hydrocarbon, an acid, a natural origin fragrance compound, a synthetic origin fragrance compound, a stereoisomer of any preceding perfume raw material, and a mixture of any of the preceding perfume raw materials;
• and
• (ii) from about 0.01 wt % to about 90 wt % fragrance release modulator having two (ii) or more characteristics selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension of less than about 60 mN/m,
• (c) a dynamic viscosity from about 0.5 cp to about 100 cp, and
• (d) a density from about 600 g/l to about 1,300 g/l;
• wherein the fragrance release modulator is selected from the group consisting of a C2-8 linear alcohol, a C2-8 branched alcohol, an alkyl-ether, an aryl-ether, an alkyl-glycol, an aryl-glycol, an alkyl-carbonate, an aryl-carbonate, propylene carbonate, an alkyl-diol, an aryl-diol, an alkyl-adipate, an aryl-adipate, an alkyl-benzoate, an aryl-benzoate, an alkyl-citrate, an aryl-citrate, an alkyl-laurate, an aryl-laurate, an alkyl-palmitate, an aryl-palmitate, an alkyl-stearate, an aryl-stearate, an alkyl-myristate, an aryl-myristate, an alkyl-succinate, an aryl-succinate, an alkyl-glutarate, an aryl-glutarate, a silicon solvent, n-butyl propionate, a stereoisomer of any preceding fragrance release modulator, and a mixture of any of the preceding fragrance release modulators;
• wherein the freshening composition is adapted to have two or more of a characteristic selected from the group consisting of:
• (a) a flash point higher than about 100° F.,
• (b) a surface tension from about 10 mN/m to about 40 mN/m,
• (c) a dynamic viscosity from about 1 cp to about 30 cp, and
• (d) a density from about 650 g/l to about 1,300 g/l;
• and
• wherein the amount of the fragrance release modulator in the freshening composition is sufficient to modulate the release of the freshening composition or of a component thereof, relative to a control not comprising the fragrance release modulator and being assigned a value of 100%, by at least 10%;
• thereby the smell or the scent of the freshening composition or of the component thereof is delivered into the atmosphere, the air, or onto the surface.