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US 2003/0194386 A1Published application
Moisture-curable cosmetic composition
AssigneeL’oréAl
InventorsPascale Bernard, Roland Ramin, Jean Mondet
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AssigneeL’oréAl
InventorsPascale Bernard, Roland Ramin, Jean Mondet
Estimating the term…
The invention relates to the use, as a nail varnish, of a moisture-cure cosmetic composition comprising, in a cosmetically acceptable anhydrous medium, and free of compounds containing labile hydrogen atoms, i) either a) at least one first compound, known as compound A, comprising at least two non-blocked reactive functions X, and b) at least one second compound, known as compound B, comprising at least two blocked reactive functions Y, which may be unblocked by the action of moisture so as to be able to react with the non-blocked reactive functions X of the compound(s) A, ii) or at least one compound simultaneously comprising at least two non-blocked reactive functions X and at least two blocked reactive functions Y, which may be unblocked by the action of moisture so as to be able to react with the non-blocked reactive functions X, the average functionality of the system, that is to say the total number of non-blocked reactive functions X and of blocked reactive functions Y relative to the total number of molecules of compounds, being strictly greater than 2.
Use, as a nail varnish, of a moisture-cure cosmetic composition comprising, in a cosmetically acceptable anhydrous medium, and free of compounds containing labile hydrogen atoms, i) either
Use according to any one of the preceding claims, characterized in that the moisture comes from the air and/or from the support onto which the said composition is applied.
Use according to any one of the preceding claims, characterized in that the non-blocked reactive functions X are chosen from isocyanate and epoxide functions and ethylenic double bonds.
Use according to any one of the preceding claims, characterized in that the blocked reactive functions Y are chosen from amine functions blocked in ketinime and aldimine form and amino alcohol functions blocked in oxazolidine form.
Use according to any one of the preceding claims, characterized in that it also comprises one or more organic solvents.
Use according to any one of the preceding claims, characterized in that it also comprises catalysts in proportions of between 0.1% and 2% by weight and preferably between 0.2% and 1% by weight, relative to the reagents.
Use according to any one of the preceding claims, characterized in that the compounds A and B or the compound(s) bearing both at least two non-blocked reactive functions and two blocked reactive functions are present in the composition in a content ranging from 1% to 50% by weight and preferably ranging from 2% to 40% by weight, relative to the total weight of the composition.
Use according to any one of the preceding claims, characterized in that it also comprises a moisture absorber.
Moisture-cure cosmetic composition comprising, in a cosmetically acceptable anhydrous medium, and free of compounds containing labile hydrogen atoms, i) either
Dependencies are inferred from the claim text.