Abstract: The present invention relates to water-dispersable microcapsules comprising an oil phase, e.g. a perfume, containing a photolabile ?-ketoacid or ?-ketoester capable of generating a gas upon exposure to light. The gas is able to cause an extension or the breaking of the microcapsule allowing the release of the oil phase and thus increasing the long-lastingness of the odor perception. The present invention concerns also the use of said microcapsules in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's microcapsules to provide a prolonged release of fragrant molecules.

Abstract: The present invention relates to the field of perfumery. More particularly, it concerns co-polymeric latex particles derived from 2-oxo-2-(3- or 4-vinylphenyl)acetates capable of liberating an active molecule such as, for example, an aldehyde or ketone upon exposure to light. The present invention concerns also the use of said latex in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's latex.

Abstract: The present invention relates to water-dispersible core-shell microcapsules essentially free of formaldehyde. In particular it concerns oligomeric compositions comprising, and the microcapsules obtained from, particular reaction product between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. The present invention comprises also the invention's core-shell microcapsules as part of a perfuming composition or of a perfuming consumer product.

Abstract: The present invention relates to water-dispersible core-shell microcapsules essentially free of formaldehyde. In particular it concerns core-shell microcapsules having a shell obtained by reacting polyisocyanates or polyoxirans cross-linkers and oligomeric compositions which are the reaction products between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. The present invention comprises also the invention's core-shell microcapsules as part of a perfuming composition or of a perfuming consumer product.

Abstract: The present invention relates to core-shell microcapsules comprising photolabile 2-oxoacetate pro-fragrance molecules capable of liberating an active molecule such as, for example, an aldehyde or ketone upon exposure to light. The present invention concerns also the use of said microcapsules in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's microcapsules to provide a prolonged release of fragrant aldehydes and/or ketones.

Abstract: The present invention relates to the field of perfumery. More particularly, it concerns co-polymeric latex particles derived from 2-oxo-2-(3- or 4-vinylphenyl)acetates capable of liberating an active molecule such as, for example, an aldehyde or ketone upon exposure to light. The present invention concerns also the use of said latex in perfumery as well as the perfuming compositions or perfumed articles comprising the invention's latex.

Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-6 2,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.

Abstract: Water-dispersible core-shell microcapsules that are essentially free of formaldehyde. Also, oligomeric compositions of, and microcapsules obtained from, particular reaction products between a polyamine component and a particular mixture of glyoxal and a C4-62,2-dialkoxy-ethanal. These compositions and microcapsules can be used as part of a perfuming composition or of a perfumed consumer product.