US 12,220,476 B2
Composition for controlled release of actives
Wilson A. Lee, Hauppauge, NY (US); Robert Maidhof, Kings Park, NY (US); and Danielle Erin Maslin, Setauket, NY (US)
Assigned to ELC Management LLC, Melville, NY (US)
Filed by ELC Management LLC, Melville, NY (US)
Filed on Jun. 10, 2022, as Appl. No. 17/806,294.
Prior Publication US 2023/0398054 A1, Dec. 14, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/81 (2006.01); A61K 8/34 (2006.01); A61K 8/365 (2006.01); A61K 8/368 (2006.01); A61K 8/73 (2006.01); A61Q 19/00 (2006.01)
CPC A61K 8/8147 (2013.01) [A61K 8/345 (2013.01); A61K 8/365 (2013.01); A61K 8/368 (2013.01); A61K 8/735 (2013.01); A61Q 19/00 (2013.01); A61K 2800/95 (2013.01)] 10 Claims
 
1. A topical aqueous composition for controlled release of active ingredients comprising:
a film former that comprises acrylates/vinyl acetate copolymer and acrylates copolymer in a weight ratio of 10:1 to 30:1, wherein the weight of the acrylates/vinyl acetate copolymer and acrylates copolymer combined comprise 20%-60% of the weight of the total composition;
a porosity adjuster that comprises propane-1,3 diol and glycerin in a weight ratio of 1:1 to 4:1, wherein the weight of the propane-1,3 diol and glycerin combined comprise 5.5% to 10% by total weight of the composition; and
one or more cosmetically acceptable active ingredients at a total concentration of 0.0001% to 10%, by weight of the composition.