Improvements in or Relating to Organic Compounds

Abstract

Disclosed is an encapsulated composition comprising a plurality of core-shell microcapsules. The core-shell microcapsules comprise a core and a shell surrounding the core. The core comprises a perfume composition comprising at least one biodegradable ingredient(s). The biodegradable ingredient(s) is/are present at a total concentration of at least 75 wt.-% relative to the total weight of the perfume composition.

Claims

1. An encapsulated composition comprising a plurality of core-shell microcapsules, wherein the core-shell microcapsules comprise a core and a shell surrounding the core, wherein the core comprises a perfume composition comprising at least one biodegradable ingredient(s), wherein the biodegradable ingredient(s) is/are present at a total concentration of at least 75 wt.-% relative to the total weight of the perfume composition.

2. The encapsulated composition according to claim 1, wherein the biodegradable ingredient(s) is/are selected from the group consisting of: (E)-2-methoxy-4-(prop-1-en-1-yl)phenyl acetate; 2,6,10-trimethylundec-9-enal; 2-(tert-butyl)cyclohexyl acetate; decanal; undec-10-enal; undecanal; dodecanal; 2-methylundecanal; octanal; 3-(4-isopropylphenyl)-2-methylpropanal; (E)-undec-9-enal; prop-2-enyl 2-(3-methylbutoxy)acetate; prop-2-enyl 3-cyclohexylpropanoate; prop-2-enyl heptanoate; (Z)-oxacycloheptadec-10-en-2-one; (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran; pentyl 2-hydroxybenzoate; 4-methoxybenzaldehyde; benzyl acetate; benzyl 2-hydroxybenzoate; (2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate; 5-isopropyl-2-methylphenol; (1S,8aR)-1,4,4,6-tetramethyl-2,3,3a,4,5,8-hexahydro-1H-5,8a-methanoazulene; (1S,6R,8aR)-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulen-6-yl acetate; (1R,6S,8aS)-6-methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulene; (E)-3,7-dimethylocta-2,6-dienal; 3,7-dimethyloct-6-en-1-ol; 3,7-dimethyloct-6-en-1-yl acetate; (Z)-3-methylcyclotetradec-5-enone; 1-methoxy-4-methylbenzene; 2-cyclohexylethyl acetate; cyclohexyl 2-hydroxybenzoate; (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one; (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one; 5-hexyloxolan-2-one; (E)-dec-4-enal; 2,6-dimethyloct-7-en-2-ol; oxydibenzene; 1-methoxy-4-propylbenzene; 3-methyl-2-pentylcyclopent-2-enone; methyl 2-(methylamino)benzoate; 2-methyl-1-phenylpropan-2-yl acetate; 2-methyl-1-phenylpropan-2-yl butanoate; 2,6-dimethylheptan-2-ol; 6-heptyltetrahydro-2H-pyran-2-one; 5-octyloxolan-2-one; (E)-dodec-2-enal; (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol; ethyl hexanoate; ethyl 2-methyl butyrate; 2-ethyl-3-hydroxy-4H-pyran-4-one; ethyl heptanoate; 3-ethoxy-4-hydroxybenzaldehyde; 1,4-dioxacycloheptadecane-5,17-dione; (1s,4s)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane; 4-allyl-2-methoxyphenol; methyl 2,4-dihydroxy-3,6-dimethylbenzoate; 3a,6,6,9a-tetramethyldodecahydronaphtho[2,1-b]furan; 3-(3-isopropylphenyl)butanal; (E)-undec-9-enenitrile; 1-(5,5-dimethylcyclohex-1-en-1-yl)pent-4-en-1-one; 1-phenylethyl acetate; (E)-3,7-dimethylocta-2,6-dien-1-ol; (E)-3,7-dimethylocta-2,6-dien-1-yl acetate; (E)-oxacyclohexadec-12-en-2-one; methyl 3-oxo-2-pentylcyclopentaneacetate; (E)-hex-2-enal; (Z)-hex-3-en-1-ol; (Z)-hex-3-en-1-yl acetate; (Z)-hex-3-en-1-yl 2-hydroxybenzoate; hexyl acetate; 8,8-di(1H-indol-3-yl)-2,6-dimethyloctan-2-ol; (E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one; (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one; (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one; 3-methylbutyl acetate; 3-methylbutyl butanoate; (E)-2-methoxy-4-(prop-1-en-1-yl)phenol; 2-hexylcyclopent-2-en-1-one; (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one; 3-butyl-5-methyltetrahydro-2H-pyran-4-yl acetate; 8-isopropyl-1-oxaspiro[4.5]decan-2-one; (2E,6Z)-3,7-dimethylnona-2,6-dienenitrile; 3,7-dimethylocta-1,6-dien-3-ol; 2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol; 3,7-dimethylocta-1,6-dien-3-yl acetate; ethyl 2-methylpentanoate; (4-isopropylcyclohexyl)methanol; 3-methyl-5-phenylpentan-1-ol; 2,6-dimethylhept-5-enal; mercapto-para-menthan-3-one; methyl 2-aminobenzoate; methyl benzoate; 2-ethoxy-4-(methoxymethyl)phenol; 6-methylhept-5-en-2-one; 8-methyl-1-oxaspiro[4.5]decan-2-one; methyl non-2-ynoate; methyl 2-hydroxybenzoate; 2-(2-(4-methylcyclohex-3-en-1-yl)propyl)cyclopentanone; (E)-methyl non-2-enoate; (2Z)-3,7-dimethylocta-2,6-dien-1-ol; (Z)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol; 2-ethoxynaphthalene; 1-(3-methylbenzofuran-2-yl)ethanone; (Z)-3,7-dimethylocta-2,6-dien-1-yl acetate; (2E,6Z)-nona-2,6-dienal; (Z)-non-6-enal; (Z)-non-6-en-1-ol; 3-(4-(2-methylpropyl)-2-methylphenyl)propanal; 6-propyltetrahydro-2H-pyran-2-one; 1-(2-naphtalenyl)-ethanone; 4-(tert-butyl)cyclohexyl acetate; 5-heptyldihydrofuran-2(3H)-one; 3,7-dimethyloctan-1-ol; 2-phenylethyl acetate; 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene; 6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane; (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one; 2,4,7-Trimethyl-6-octen-1-ol; 3-methylbut-2-en-1-yl acetate; 5-pentyldihydrofuran-2(3H)-one; 4-(4-hydroxyphenyl)butan-2-one; dec-9-en-1-ol; 4-methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran; 4-methyl-2-phenyl-3,6-dihydro-2H-pyran; 2,6,6-trimethylcyclohexa-1,3-dienecarbaldehyde; 4-(dodecylthio)-4-methylpentan-2-one; 2-methyl-3-[4-(2-methylpropyl)phenyl]propanal; 1-phenylethyl acetate; (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropyl cyclopropanecarboxylate; 1-methyl-4-propan-2-ylcyclohexa-1,4-diene; 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol; 1-methyl-4-(propan-2-ylidene)cyclohex-1-ene; 3,7-dimethyloctan-3-ol; 1-(cyclopropylmethyl)-4-methoxybenzene; (E)-tridec-2-enenitrile; 3-phenylbutanal; 3-(benzo[d][1,3]dioxol-5-yl)-2-methylpropanal; (E)-4-methyldec-3-en-5-ol; 2-methoxynaphtalene; cedar wood oil; eucalyptus oil; galbanum oil; clove oil; lavandin oil; mandarin oil; orange terpenes; patchouli oil; and ylang oil.

3. The encapsulated composition according to claim 2, wherein each of the biodegradable ingredient(s) is present at a concentration equal to or less than the following maximum concentrations: (E)-2-methoxy-4-(prop-1-en-1-yl)phenyl acetate: 0.1 wt. %, 2,6,10-trimethylundec-9-enal: 1 wt. %, 2-(tert-butyl)cyclohexyl acetate: 50 wt. %, decanal: 10 wt. %, undec-10-enal: 2 wt. %, undecanal: 5 wt. %, dodecanal: 10 wt. %, 2-methylundecanal: 50 wt. %, octanal: 5 wt. %, 3-(4-isopropylphenyl)-2-methylpropanal: 5 wt. %, (E)-undec-9-enal: 5 wt. %, prop-2-enyl 2-(3-methylbutoxy)acetate: 5 wt. %, prop-2-enyl 3-cyclohexylpropanoate: 10 wt. %, prop-2-enyl heptanoate: 10 wt. %, (Z)-oxacycloheptadec-10-en-2-one: 2 wt. %, (3aR,5aS,9aS,9bR)-3a,6,6,9a-tetramethyl-2,4,5,5a,7,8,9,9b-octahydro-1H-benzo[e][1]benzofuran: 2 wt. %, pentyl 2-hydroxybenzoate: 50 wt. %, 4-methoxybenzaldehyde: 5 wt. %, benzyl acetate: 10 wt. %, benzyl 2-hydroxybenzoate: 75 wt. %, (2S,4S)-1,7,7-trimethylbicyclo[2.2.1]heptan-2-yl acetate: 50 wt. %, 5-isopropyl-2-methylphenol: 1 wt. %, (1S,8aR)-1,4,4,6-tetramethyl-2,3,3a,4,5,8-hexahydro-1H-5,8a-methanoazulene: 5 wt. %, (1S,6R,8aR)-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulen-6-yl acetate: 5 wt. %, (1R,6S,8aS)-6-methoxy-1,4,4,6-tetramethyloctahydro-1H-5,8a-methanoazulene: 5 wt. %, (E)-3,7-dimethylocta-2,6-dienal: 10 wt. %, 3,7-dimethyloct-6-en-1-ol: 25 wt. %, 3,7-dimethyloct-6-en-1-yl acetate: 25 wt. %, (Z)-3-methylcyclotetradec-5-enone: 5 wt. %, 1-methoxy-4-methylbenzene: 1 wt. %, 2-cyclohexylethyl acetate: 25 wt. %, cyclohexyl 2-hydroxybenzoate: 15 wt. %, (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one: 2.5 wt. %, (E)-1-(2,6,6-trimethylcyclohex-2-en-1-yl)but-2-en-1-one: 5 wt. %, 5-hexyloxolan-2-one: 15 wt. %, (E)-dec-4-enal: 1 wt. %, 2,6-dimethyloct-7-en-2-ol: 50 wt. %, oxydibenzene: 15 wt. %, 1-methoxy-4-propylbenzene: 2 wt. %, 3-methyl-2-pentylcyclopent-2-enone: 5 wt. %, methyl 2-(methylamino)benzoate: 1 wt. %, 2-methyl-1-phenylpropan-2-yl acetate: 75 wt. %, 2-methyl-1-phenylpropan-2-yl butanoate: 50 wt. %, 2,6-dimethylheptan-2-ol: 5 wt. %, 6-heptyltetrahydro-2H-pyran-2-one: 5 wt. %, 5-octyloxolan-2-one: 10 wt. %, (E)-dodec-2-enal: 0.5 wt. %, (E)-3-methyl-5-(2,2,3-trimethylcyclopent-3-en-1-yl)pent-4-en-2-ol: 5 wt. %, ethyl hexanoate: 10 wt. %, ethyl 2-methyl butyrate: 15 wt. %, 2-ethyl-3-hydroxy-4H-pyran-4-one: 10 w ethyl heptanoate: 5 wt. %, 3-ethoxy-4-hydroxybenzaldehyde: 10 wt. %, 1,4-dioxacycloheptadecane-5,17-dione: 25 wt. %, (1s,4s)-1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane: 25 wt. %, 4-allyl-2-methoxyphenol: 5 wt. %, methyl 2,4-dihydroxy-3,6-dimethylbenzoate: 2 wt. %, 3a,6,6,9a-tetramethyldodecahydronaphtho[2,1-b]furan: 2 wt. %, 3-(3-isopropylphenyl)butanal: 5 wt. %, (E)-undec-9-enenitrile: 1 wt. %, 1-(5,5-dimethylcyclohex-1-en-1-yl)pent-4-en-1-one: 5 wt. %, 1-phenylethyl acetate: 5% wt. %, (E)-3,7-dimethylocta-2,6-dien-1-ol: 25 wt. %, (E)-3,7-dimethylocta-2,6-dien-1-yl acetate: 15 wt. %, (E)-oxacyclohexadec-12-en-2-one: 15 wt. %, methyl 3-oxo-2-pentylcyclopentaneacetate: 75 wt. %, (E)-hex-2-enal: 1 wt. %, (Z)-hex-3-en-1-ol: 15 wt. %, (Z)-hex-3-en-1-yl acetate: 15 wt. %, (Z)-hex-3-en-1-yl 2-hydroxybenzoate: 15 wt. %, hexyl acetate: 15 wt. %, 8,8-di(1H-indol-3-yl)-2,6-dimethyloctan-2-ol: 2 wt. %, (E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one: 25 wt. %, (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one: 5 wt. %, (E)-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one: 25 wt. %, 3-methylbutyl acetate: 5 wt. %, 3-methylbutyl butanoate: 1 wt. %, (E)-2-methoxy-4-(prop-1-en-1-yl)phenol: 1 wt. %, 2-hexylcyclopent-2-en-1-one: 5 wt. %, (E)-3-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)but-3-en-2-one: 50 wt. %, 3-butyl-5-methyltetrahydro-2H-pyran-4-yl acetate: 15 wt. %, 8-isopropyl-1-oxaspiro[4.5]decan-2-one: 1 wt. %, (2E,6Z)-3,7-dimethylnona-2,6-dienenitrile: 25 wt. %, 3,7-dimethylocta-1,6-dien-3-ol: 25 wt. %, 2-(5-methyl-5-vinyltetrahydrofuran-2-yl)propan-2-ol: 1 wt. %, 3,7-dimethylocta-1,6-dien-3-yl acetate: 25 wt. %, ethyl 2-methylpentanoate: 10 wt. %, (4-isopropylcyclohexyl)methanol: 5 wt. %, 3-methyl-5-phenylpentan-1-ol: 10 wt. %, 2,6-dimethylhept-5-enal: 2 wt. %, mercapto-para-menthan-3-one: 1 wt. %, methyl 2-aminobenzoate: 2 wt. %, methyl benzoate: 1 wt. %, 2-ethoxy-4-(methoxymethyl)phenol: 1 wt. %, 6-methylhept-5-en-2-one: 5 wt. %, 8-methyl-1-oxaspiro[4.5]decan-2-one: 2 wt. %, methyl non-2-ynoate: 1 wt. %, methyl 2-hydroxybenzoate: 1 wt. %, 2-(2-(4-methylcyclohex-3-en-1-yl)propyl)cyclopentanone: 50 wt. %, (E)-methyl non-2-enoate: 2 wt. %, (2Z)-3,7-dimethylocta-2,6-dien-1-ol: 10 wt. %, (Z)-3,7,11-trimethyldodeca-1,6,10-trien-3-ol: 5 wt. %, 2-ethoxynaphthalene: 10 wt. %, 1-(3-methylbenzofuran-2-yl)ethanone: 5 wt. %, (Z)-3,7-dimethylocta-2,6-dien-1-yl acetate: 5 wt. %, (2E,6Z)-nona-2,6-dienal: 0.5 wt. %, (Z)-non-6-enal: 0.5 wt. %, (Z)-non-6-en-1-ol: 0.5 wt. %, 3-(4-(2-methylpropyl)-2-methylphenyl)propanal: 25 wt. %, 6-propyltetrahydro-2H-pyran-2-one: 1 wt. %, 1-(2-naphtalenyl)-ethanone: 10 wt. %, 4-(tert-butyl)cyclohexyl acetate: 50 wt. %, 5-heptyldihydrofuran-2(3H)-one: 25 wt. %, 3,7-dimethyloctan-1-ol: 10 wt. %, 2-phenylethyl acetate: 15 wt. %, 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene: 2 wt. %, 6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane: 2 wt. %, (2E,5E)-5,6,7-trimethylocta-2,5-dien-4-one: 2 wt. %, 2,4,7-Trimethyl-6-octen-1-ol: 2 wt. %, 3-methylbut-2-en-1-yl acetate: 10 wt. %, 5-pentyldihydrofuran-2(3H)-one: 5 wt. %, 4-(4-hydroxyphenyl)butan-2-one: 5 wt. %, dec-9-en-1-ol: 2 wt. %, 4-methyl-2-(2-methylprop-1-en-1-yl)tetrahydro-2H-pyran: 2 wt. %, 4-methyl-2-phenyl-3,6-dihydro-2H-pyran: 2 wt. %, 2,6,6-trimethylcyclohexa-1,3-dienecarbaldehyde: 0.5 wt. %, 4-(dodecylthio)-4-methylpentan-2-one: 0.5 wt. %, 2-methyl-3-[4-(2-methylpropyl)phenyl]propanal: 5 wt. %, 1-phenylethyl acetate: 5 wt. %, (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)-2-methylpropyl cyclopropanecarboxylate: 5 wt. %, 1-methyl-4-propan-2-ylcyclohexa-1,4-diene: 5 wt. %, 2-(4-methylcyclohex-3-en-1-yl)propan-2-ol: 5 wt. %, 1-methyl-4-(propan-2-ylidene)cyclohex-1-ene: 15 wt. %, 3,7-dimethyloctan-3-ol: 50 wt. %, 1-(cyclopropylmethyl)-4-methoxybenzene: 10 wt. %, (E)-tridec-2-enenitrile: 15 wt. %, 3-phenylbutanal: 5 wt. %, 3-(benzo[d][1,3]dioxol-5-yl)-2-methylpropanal: 5 wt. %, (E)-4-methyldec-3-en-5-ol: 25 wt. %, 2-methoxynaphtalene: 15 wt. %, cedar wood oil: 5 wt. %, eucalyptus oil: 25 wt. %, galbanum oil: 2 wt. %, clove oil: 5 wt. %, lavandin oil: 25 wt. %, mandarin oil: 5 wt. %, orange terpenes: 50 wt. %, patchouli oil: 10 wt. %, ylang oil: 5 wt. %.

4. The encapsulated composition according to claim 2, wherein each of the biodegradable ingredient(s) is present at a concentration equal to or higher than the minimum concentration of 0.01 wt.-%.

5. The encapsulated composition according to claim 1, wherein weight ratio of the core relative to the total weight of the capsule, namely the sum of the weight of the core and the weight of the shell, is at least 60 wt.-%.

6. The encapsulated composition according to claim 1, wherein the shell comprises a melamine-formaldehyde polymer.

7. The encapsulated composition according to claim 1, wherein the shell comprises a polyurea or polyurethane polymer.

8. The encapsulated composition according to claim 1, wherein the shell comprises a polymeric stabilizer that is formed by combination of a polymeric surfactant with at least one aminosilane.

9. The encapsulated composition according to claim 8, wherein the shell additionally comprises a polysaccharide.

10. The encapsulated composition according to claim 1, wherein the shell comprises a complex coacervate formed of at least one protein and at least one polysaccharide.

11. The encapsulated composition according to claim 10, wherein the shell is formed by cross-linking of the at least one protein with a first cross-linking agent, in order to form a simple coacervate, followed by the addition of the at least one polysaccharide to form a complex coacervate.

12. The encapsulated composition according to claim 1, wherein the shell comprises, in polymerized form, one or more monoethylenically unsaturated and/or polyethylenically unsaturated monomer(s).

13. A consumer product comprising an encapsulated composition according to claim 1.

14. A method of producing a consumer product, the method comprising the use of the encapsulated composition according to claim 1.

15. The encapsulated composition according to claim 1, wherein the perfume composition comprises at least two biodegradable ingredient(s).

16. The encapsulated composition according to claim 15, wherein the perfume composition comprises at least four biodegradable ingredient(s).

17. The encapsulated composition according to claim 16, wherein the perfume composition comprises at least eight biodegradable ingredient(s).

18. The encapsulated composition according to claim 17, wherein the perfume composition comprises at least 16 biodegradable ingredient(s).

19. The encapsulated composition according to claim 18, wherein the perfume composition comprises at least 32 biodegradable ingredient(s).

20. The encapsulated composition according to claim 19, wherein the perfume composition comprises at least 64 biodegradable ingredient(s).

Description

EXAMPLE 1: PERFUME COMPOSITIONS CONSISTING OF BIODEGRADABLE INGREDIENTS

[0301] Perfume compositions consisting of biodegradable ingredients can be prepared by mixing such ingredients according to the formulae provided in Table 1.

TABLE-US-00005 TABLE 1 Perfume No. 1 2 3 4 5 6 7 Ingredient Amount (wt.-%) (2S,4S)-1,7,7- 20 trimethylbicyclo[2.2.1]heptan-2-yl acetate (E)-3,7-dimethylocta-2,6-dien-1-yl 10 acetate hexyl acetate 10 4-(tert-butyl)cyclohexyl acetate 10 25 2,6,10-trimethylundec-9-enal 1 2-(tert-butyl)cyclohexyl acetate 10 25 10 decanal 1 undec-10-enal 1 dodecanal 5 5 2-methylundecanal 10 5 10 (E)-undec-9-enal 1 prop-2-enyl 2-(3-methylbutoxy)acetate 5 5 prop-2-enyl 3-cyclohexylpropanoate 5 5 prop-2-enyl heptanoate 10 5 (Z)-oxacycloheptadec-10-en-2-one 1 (3aR,5aS,9aS,9bR)-3a,6,6,9a- 1 2 tetramethyl-2,4,5,5a,7,8,9,9b-octahydro- 1H-benzo[e][1]benzofuran methyl 2-aminobenzoate 1 4-methoxybenzaldehyde 1 2 5-isopropyl-2-methylphenol 1 3,7-dimethyloct-6-en-1-ol 5 3,7-dimethyloct-6-en-1-yl acetate 5 (Z)-3-methylcyclotetradec-5-enone 1 3-(4-isopropylphenyl)-2-methylpropanal 1 (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien- 1 1-yl)but-2-en-1-one (E)-l-(2,6,6-trimethylcyclohex-2-en-1- 5 1 yl)but-2-en-1-one 5-hexyloxolan-2-one 10 3-methyl-2-pentylcyclopent-2-enone 1 2,6-dimethyloct-7-en-2-ol 30 10 2-methyl-1-phenylpropan-2-yl acetate 10 oxydibenzene 10 6-heptyltetrahydro-2H-pyran-2-one 1 10 5-octyloxolan-2-one 1 10 (E)-3-methyl-5-(2,2,3- 5 1 trimethylcyclopent-3-en-1-yl)pent-4-en- 2-ol 2-ethyl-3-hydroxy-4H-pyran-4-one 1 1 ethyl 2-methylbutanoate 10 3-ethoxy-4-hydroxybenzaldehyde 1 5 1,4-dioxacycloheptadecane-5,17-dione 10 (1s,4s)-1,3,3-trimethyl-2- 10 1 20 oxabicyclo[2.2.2]octane Eucalyptus oil 10 3a,6,6,9a- 1 tetramethyldodecahydronaphtho[2,1- b]furan 3-(3-isopropylphenyl)butanal 1 1-(5,5-dimethylcyclohex-1-en-1-yl)pent- 5 1 4-en-1-one (E)-3,7-dimethylocta-2,6-dien-1-ol 5 methyl 3-oxo-2- 10 10 5 pentylcyclopentaneacetate (E)-4-(2,6,6-trimethylcyclohex-1-en-1- 10 yl)but-3-en-2-one (E)-4-(2,6,6-trimethylcyclohex-2-en-1- 10 yl)but-3-en-2-one (E)-3-methyl-4-(2,6,6-trimethylcyclohex- 5 5 2-en-1-yl)but-3-en-2-one 3-butyl-5-methyltetrahydro-2H-pyran-4- 10 1 yl acetate Lavandin oil 10 10 (2E,6Z)-3,7-dimethylnona-2,6- 5 5 dienenitrile 3,7-dimethylocta-1,6-dien-3-yl acetate 10 ethyl 2-methylpentanoate 5 2-(2-(4-methylcyclohex-3-en-1- 10 10 yl)propyl)cyclopentanone 1-(3-methylbenzofuran-2-yl)ethanone 1 3-(4-(2-methylpropyl)-2- 10 methylphenyl)propanal 1-(2-naphtalenyl)-ethanone 1 Patchouli oil 10 1 5-heptyldihydrofuran-2(3H)-one 10 1 1 5 5-pentyldihydrofuran-2(3H)-one 1 5 ethyl hexanoate 1 ethyl 2-methyl butyrate 10 10 benzyl 2-hydroxybenzoate 10 5 5 cyclohexyl 2-hydroxybenzoate 10 4-(dodecylthio)-4-methylpentan-2-one 1 2-methyl-3-[4-(2- 1 methylpropyl)phenyl]propanal (E)-2-((3,5-dimethylhex-3-en-2-yl)oxy)- 10 10 1 2-methylpropyl cyclopropanecarboxylate 1-methyl-4-(propan-2-ylidene)cyclohex- 10 1-ene 3,7-dimethyloctan-3-ol 5 10 (E)-4-methyldec-3-en-5-ol 10 5 1 2-methoxynaphtalene 5 Total 100 100 100 100 100 100 100

EXAMPLE 2: DEGRADATION TESTS OF PERFUME COMPOSITIONS

[0302] Perfume compositions according to Table 1 can be submitted to biodegradation testing as described herein above. Since all ingredients used in these perfume compositions are biodegradable ingredients, the perfume compositions will be found to be particularly beneficial in terms of biodegradation.

EXAMPLE 3: PREPARATION OF MELAMINE-FORMALDEHYDE MICROCAPSULES

[0303] Melamine-formaldehyde microcapsules according to the present invention can be prepared by performing the following procedures with a perfume composition as described herein above (Table 1): [0304] Example 1.3 of WO 2008/098387 A1 [0305] Example 1 of WO 2016/207180 A1 [0306] Example 1 of WO 2017/001672 A1

EXAMPLE 4: PREPARATION OF POLYUREA MICROCAPSULES

[0307] Polyurea microcapsules according to the present invention can be prepared by performing the following procedure with a perfume composition as described herein above (Table 1): [0308] Example 1 of WO 2019/174978 A1

EXAMPLE 5: PREPARATION OF CELLULOSE MICROCAPSULES

[0309] Microcapsules according to the present invention can be prepared by performing the steps of: [0310] a) Preparing a core composition by admixing 0.66 g of bipodal aminosilane (bis(3-triethoxysilylpropyl)amine), 0.48 g of Takenate D-110N (ex Mitsui) and 38.5 g of perfume composition as described herein above (Table 1); [0311] b) Emulsifying the core composition obtained in step a) in a mixture of 1.35 g high methoxylated grade pectin (of type APA 104, ex Roeper) in 66.2 g of water by using a 300 ml reactor and a cross-beam stirrer with pitched beam operating at a stirring speed of 800 rpm at a temperature of 25+/−2° C. for 10 min; [0312] c) Adjusting the pH of the continuous phase of the emulsion to 6.5+/−0.5 with a 10% sodium hydroxide solution in water and maintaining the system at a temperature of 25+/−2° C. for 1 h while maintaining stirring as in step b); [0313] d) Increasing progressively the temperature to 85° C. over 2.5 h and maintaining the temperature at 85° C. for 1 h, while maintaining stirring as in steps b) and c) to complete the formation of core-shell capsules; [0314] e) Adding 1.8 g of 2-hydroxyethyl cellulose and continue stirring for 30 min at 85° C.; [0315] f) Adding 0.8 g of a solution of citric acid diluted at 30% in water and continue stirring for 1 h at 85° C.; [0316] g) Letting the slurry of core-shell capsules obtained in step f) cool to room temperature.

EXAMPLE 6: PREPARATION OF GELATIN COACERVATE MICROCAPSULES

[0317] Gelatin coacervate microcapsules according to the present invention can be prepared by performing the following procedures with a perfume composition as described herein above (Table 1): [0318] Example 1 of WO 1996/020612 A1 [0319] Example 2 of WO 2001/03825 A1 [0320] One of Examples 1-3 of WO 2015/150370 A1

EXAMPLE 7: PREPARATION OF GELATIN COACERVATE MICROCAPSULES

[0321] Microcapsules according to the present invention can be prepared by performing the steps of: [0322] a) Providing a core composition by dissolving 70 g of a trifunctional araliphatic isocyanate (Takenate N100-D, ex Mitsui Inc., 75 wt.-% active content) in 165 g of a perfume composition as described herein above (Table 1); [0323] b) Providing an aqueous phase by admixing 17 g of Type B gelatin and 150 g of deionized water; [0324] c) Heating up the aqueous phase to 35° C. under stirring, in order to dissolve the gelatin; [0325] d) Emulsifying the core composition in the aqueous phase obtained in step c) at a stirring rate of 1000 rpm, in order to obtain an emulsion of core composition droplets having a volume average diameter Dv(50) of 50 μm, dispersed in water; [0326] e) Heating the emulsion obtained in step d) to a temperature of 90° C. and maintaining the emulsion at this temperature for 10 min; [0327] f) Letting the slurry obtained in step e) cool down to a temperature of 31° C., in order to induce the simple coacervation of the cross-linked gelatin at the core-water-interface, forming thereby a slurry of core-shell microcapsules; [0328] g) Adding 80 g of a 2 wt.-% aqueous solution of carboxymethylcellulose in deionized water and then 534 g of deionized water to the slurry formed in step f), while maintaining the stirring rate at 1000 rpm; [0329] h) Adjusting the pH of the slurry to a value of 5.3 with a 10 wt.-% solution of citric acid in water; while reducing the stirring speed to 600 rpm, in order to form a cross-linked gelatin/polysaccharide coacervate at the surface of the microcapsules obtained in step f); [0330] i) Letting the slurry obtained in step h) cool down to a temperature of 10 to 15° C. over 1 h; [0331] j) Adding 0.26 g of glutaraldehyde while keeping the slurry under stirring at 15° C. for 1 min. Letting the slurry warm up to room temperature within 1 h, in order to obtain a slurry of microcapsules; [0332] k) Completing to 1000 g with deionized water.

EXAMPLE 8: PREPARATION OF POLYACRYLATE-BASED MICROCAPSULES

[0333] Polyacrylate-based microcapsules according to the present invention can be prepared by performing the following procedure with a perfume composition as described herein above (Table 1): [0334] Example 1 of WO 2013/111912 A1 [0335] Example 1 of WO 2014/032920 A1