	US 12,246,077 B2
	Delayed release delivery systems and methods
Wilson A. Lee, Hauppauge, NY (US)
Assigned to ELC MANAGEMENT LLC, Melville, NY (US)
Filed by ELC MANAGEMENT LLC, Melville, NY (US)
Filed on Sep. 22, 2017, as Appl. No. 15/712,517.
Claims priority of provisional application 62/413,275, filed on Oct. 26, 2016.
Prior Publication US 2018/0110698 A1, Apr. 26, 2018
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/11 (2006.01); A61K 8/02 (2006.01); A61K 8/06 (2006.01); A61K 8/892 (2006.01); A61K 8/894 (2006.01); A61Q 5/00 (2006.01); A61Q 13/00 (2006.01); A61Q 19/00 (2006.01)

CPC A61K 8/11 (2013.01) [A61K 8/0279 (2013.01); A61K 8/062 (2013.01); A61K 8/064 (2013.01); A61K 8/068 (2013.01); A61K 8/892 (2013.01); A61K 8/894 (2013.01); A61Q 5/00 (2013.01); A61Q 13/00 (2013.01); A61Q 19/00 (2013.01); A61K 2800/56 (2013.01); A61K 2800/624 (2013.01)]

10 Claims

1. A delayed release delivery system comprising

at least one treated particle, the treated particle comprising a core particle having a porous surface, and having a liquid absorbed therein,

wherein a ratio of the weight of the liquid to the weight of the core particle is at least about 400:1,

wherein the liquid is absorbed into the core particle by contacting the core particle with the liquid for a time period from about 30 minutes up to two hours, and

wherein the liquid is absorbed into the core particle by contacting the core particle with the liquid at a pressure greater than 100 to about 1,000 psi.