US Patent Issued to HISAMITSU PHARMACEUTICAL on Oct. 14 for "Ropinirole-containing patch and method for improving skin permeability of ropinirole" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,452, issued on Oct. 14, was assigned to HISAMITSU PHARMACEUTICAL Co. INC. (Tosu, Japan).

"Ropinirole-containing patch and method for improving skin permeability of ropinirole" was invented by Naoyuki Uchida (Tsukuba, Japan) and Satoshi Amano (Tsukuba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A ropinirole-containing patch comprising a backing layer and an adhesive agent layer, wherein the adhesive agent layer comprising: at least one selected from the group consisting of ropinirole and a pharmaceutically acceptable salt thereof; at least one sodium carboxylate selected from the group consisting of sodium pentanoate, disodium glutarate, an...