	US 12,233,042 B2
	Treatment of cutaneous disorders
Howard Welgus, West Chester, PA (US); Matthew Gene Davidson, Venice, CA (US); and Jayson Michael Rieger, Charlottesville, VA (US)
Assigned to Verrica Pharmaceuticals Inc., West Chester, PA (US)
Filed by Verrica Pharmaceuticals Inc., West Chester, PA (US)
Filed on Sep. 10, 2021, as Appl. No. 17/471,853.
Application 17/471,853 is a continuation of application No. 16/619,675, granted, now 11,147,790, previously published as PCT/US2018/036353, filed on Jun. 6, 2018.
Claims priority of provisional application 62/516,061, filed on Jun. 6, 2017.
Prior Publication US 2021/0401793 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 31/343 (2006.01); A61K 9/00 (2006.01); A61K 31/05 (2006.01); A61K 31/121 (2006.01); A61K 31/245 (2006.01)

CPC A61K 31/343 (2013.01) [A61K 31/05 (2013.01); A61K 31/121 (2013.01); A61K 31/245 (2013.01); A61K 9/0014 (2013.01)]

20 Claims

1. A composition comprising:

cantharidin, wherein the composition comprises greater than or equal to 0.7 and less than or equal to 0.9 weight per weight percent of cantharidin;

acetone, wherein the composition comprises greater than or equal to 55 and less than or equal to 65 weight per weight percent of acetone;

ethanol, wherein the composition comprises greater than or equal to 25 and less than or equal to 35 weight per weight percent of ethanol;

castor oil, wherein the composition comprises greater than or equal to 1.2 and less than or equal to 1.6 weight per weight percent of castor oil;

nitrocellulose, wherein the composition comprises greater than or equal to 3 and less than or equal to 6 weight per weight percent of nitrocellulose;

hydroxypropyl cellulose, wherein the composition comprises greater than or equal to 0.5 and less than or equal to 1 weight per weight percent of hydroxypropyl cellulose; and

camphor, wherein the composition comprises greater than or equal to 0.5 and less than or equal to 1.5 weight per weight percent of camphor.