ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,077, issued on March 11, was assigned to ELC MANAGEMENT LLC (Melville, N.Y.).
"Delayed release delivery systems and methods" was invented by Wilson A. Lee (Hauppauge, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A delayed release delivery system comprises a hydrophilic core particle having surface pores and containing a liquid. The particle is encapsulated in a polymer having a hydrophobic backbone and hydrophilic pendant groups. At least some of the surface pores adjacent the hydrophilic pendant groups are blocked in the presence of water and unblocked in the absence of water. The treated particle contains liquid in a weight ratio of the li...