Patent ID: 9603786
Date: 2017-03-28
CPC Classifications: A61K,A61Q,C08F

Claim:
1. A top coat nail polish formulation comprising a top coat composition comprising: (a) about 5 wt % to about 30 wt % primary film-forming polymer comprises at least one polymer selected from the group consisting of cellulose acetate, cellulose acetate propionate, cellulose acetate butyrate, ethyl cellulose, vinyl polymers, nitrocellulose, and mixtures thereof; (b) about 2 wt % to about 20 wt % secondary film-forming polymer, (c) about 1 wt % to about 5 wt % of at least one plasticizer; and (d) about 50 wt % to about 85 wt % solvent; said wt % of components (a) to (d) are based on the total weight of the component; and wherein the secondary film-forming polymer comprises a copolymer prepared by a reaction of: (i) about 0.5 wt % to about 5 wt % of methacrylic acid; (ii) about 25 wt % to about 45 wt % of at least one alkylacrylate of formula CH (iii) about 50 wt % to about 74.5 wt % of methyl methacrylate; said wt % of components (i) to (iii) are based on the total weight of the copolymer; and wherein the nail polish formulation, once dried, has low or no haze.