Fragrance compositions containing 1,3-propanediol

1 . A non-aqueous perfume mixture comprising

(i) >10% by weight of 1,3-propanediol; and

(ii) one or more odorant(s) from the group of odorant alcohols, selected from the group of odorant alcohols with green notes and/or the group of odorant alcohols with floral notes,

wherein the one or more odorant alcohols having green notes is/are selected from the group consisting of C6 alcohol, C7 alcohol, (Z)-3-hexenol (cis-3-hexenol), (E)-2-hexenol (trans-2-hexenol), (E/Z)-3-hexenol and (Z)-4-hexenol (cis-4-hexenol), and/or wherein the one odorant alcohol and/or the plurality of one or more odorant alcohols having floral notes is/are selected from the group consisting of phenylethyl alcohol, linalool, citronellol, geraniol, nerol, ethyllinalool, tetrahydrolinalool, dihydromyrcenol, C8 alcohol, C9 alcohol, C10 alcohol, alpha-terpineol and tetrahydromyrcenol, wherein the amount of 1,3-propanediol in the perfume mixture is sufficient to:

to bring out or accentuate a pleasant odor note or all the pleasant odor notes of the one odorant alcohol or of the several odorant alcohols,

and/or

to mask or reduce an unpleasant odor note or all unpleasant odor notes of the one odorant alcohol or the plurality of odorant alcohols, and

wherein the quantitative ratio of 1,3-propanediol to total amount of odorant alcohol(s) is in a range of 50:50 to 10:90, based on the total weight of the perfume mixture.

2 . A perfume mixture according to claim 1 , wherein the perfume mixture comprises one or more further fragrance(s) selected from the group of:

(1) Hydrocarbons;

(2) Aliphatic alcohols

(3) Aliphatic aldehydes and their acetals

(4) Aliphatic ketones and their oximes

(5) Aliphatic sulphur-containing compounds

(6) Aliphatic nitriles

(7) Esters of aliphatic carboxylic acids

(8) Acyclic terpene alcohols

(9) Acyclic terpene aldehydes and ketones;

(10) Cyclic terpene alcohols;

(11) Cyclic terpene aldehydes and ketones

(12) Cyclic alcohols;

(13) Cycloaliphatic alcohols;

(14) Cyclic and cycloaliphatic ethers;

(15) Cyclic and macrocyclic ketones;

(16) Cycloaliphatic aldehydes;

(17) Cycloaliphatic ketones;

(18) Esters of cyclic alcohols;

(19) Esters of cycloaliphatic alcohols;

(20) Esters of cycloaliphatic carboxylic acids;

(21) Araliphatic alcohols;

(22) Esters of araliphatic alcohols and aliphatic carboxylic acids;

(23) Araliphatic ethers;

(24) Aromatic and araliphatic aldehydes;

(25) Aromatic and araliphatic ketones;

(26) Aromatic and araliphatic carboxylic acids and their esters;

(27) Aromatic compounds containing nitrogen;

(28) Phenols, phenyl ethers and phenyl esters;

(29) Heterocyclic compounds;

(30) Lactones;

and mixtures of the above-mentioned fragrances.

3 . The perfume mixture according to claim 1 , wherein the amount of 1,3-propanediol in the non-aqueous perfume mixture is in a range of 20% to 80% by weight.

4 . The perfume mixture according to claim 3 , wherein the amount of 1,3-propanediol in the non-aqueous perfume mixture is in a range of 40% to 60% by weight.

5 . A perfumed product comprising a sensory effective amount of the perfume mixture of claim 1 .

6 . The perfumed product of claim 5 , wherein the product is selected from the group of:

perfume extracts, eau de parfums, eau de toilettes, shaving waters, eau de colognes, pre-shave products, splash colognes, perfumed refreshing wipes, acidic, alkaline and neutral cleaning products, floor cleaners, window glass cleaners, dishwashing detergents, bathroom and sanitary cleaners, scouring powders, solid and liquid WC cleaners, powder and foam carpet cleaners, liquid laundry detergents, powder laundry detergents, laundry pre-treatment products, bleach, softeners and stain removers, fabric softeners, laundry soap, laundry tablets, disinfectants, surface disinfectants, air fresheners in liquid, gel or solid form, aerosol sprays, waxes and polishes such as furniture polishes, floor waxes, shoe polishes, personal care products such as solid and liquid soaps, shower gels, shampoos, shaving soaps, shaving foams, bath oils, cosmetic emulsions of the oil-in-water, water-in-oil and water-in-oil-in-water types, skin creams and lotions, facial creams and-lotions, sun creams and lotions, after sun creams and lotions, hand creams and lotions,-foot creams and lotions, depilatory creams and lotions, aftershave creams and lotions, tanning creams and lotions, hair care products, hair sprays, hair gels, hair lotions, hair conditioners, permanent and semi-permanent hair dyes, hair shaping products, cold waves and hair straighteners, hair tonics, hair creams and lotions, deodorants and antiperspirants, underarm sprays, roll-ons, deodorant sticks, deodorant creams, decorative cosmetic products, candles, lamp oils, incense, insecticides, repellents and propellants.

7 . A method of making a perfumed product, comprising:

(a1) providing the perfume mixture according to claim 1 ,

(b1) providing one or more further constituents of the perfumed product to be produced; and

(c1) contacting or mixing a sensory effective amount of the perfume mixture provided in step (a1) with the further ingredient(s) provided in step (b1) to obtain the perfumed product;

wherein the amount of 1,3-propanediol (i) of the perfuming mixture is >10 wt. % in order to

highlight or emphasize a pleasant odor note or all of the pleasant odor notes of the one or more odorant alcohols (ii) of the odorant mixture;

and/or

mask or reduce an unpleasant odor note or all the unpleasant odor notes of the one or more odorant alcohols (ii) of the odorant mixture.

8 . A process for preparing the non-aqueous perfume mixture of claim 1 comprising the steps of:

providing 1,3-propanediol;

providing one or more odorant alcohols selected from the group of odorant alcohols with green notes and/or the group of odorant alcohols with floral notes,

wherein the one or more odorant alcohols having green notes is/are selected from the group consisting of C6 alcohol, C7 alcohol, (Z)-3-hexenol (cis-3-hexenol), (E)-2-hexenol (trans-2-hexenol), (E/Z)-3-hexenol and (Z)-4-hexenol (cis-4-hexenol), and/or wherein the one odorant alcohol and/or the plurality of one or more odorant alcohols having floral notes is/are selected from the group consisting of phenylethyl alcohol, linalool, citronellol, geraniol, nerol, ethyllinalool, tetrahydrolinalool, dihydromyrcenol, C8 alcohol, C9 alcohol, C10 alcohol, alpha-terpineol and tetrahydromyrcenol;

contacting and mixing an effective amount of >10% by weight of 1,3-propanediol with the one or more odorant alcohol or alcohols to obtain the non-aqueous perfuming mixture having the quantitative ratio of 1,3-propanediol to total amount of odorant alcohol(s) is in a range of 50:50 to 10:90, based on the total weight of the perfume mixture.

9 . The method of claim 8 , wherein the amount of 1,3-propanediol in the non-aqueous perfume mixture is in a range of 20% to 80% by weight.