US Patent Issued to TEIKOKU SEIYAKU on May 6 for "Rivastigmine-containing transdermal absorption preparation" (Japanese Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,290,501, issued on May 6, was assigned to TEIKOKU SEIYAKU Co. LTD. (Kagawa, Japan).

"Rivastigmine-containing transdermal absorption preparation" was invented by Satoshi Kawakami (Kagawa, Japan), Manabu Sogabe (Kagawa, Japan) and Taiki Shibata (Kagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The purpose of the present invention is to provide a rivastigmine-containing transdermal absorption preparation having high adhesion to the skin and capable of continuously administering rivastigmine over a long period of time. A transdermal absorption preparation has rivastigmine, a rubber polymer, a tackifier resin, and a polymer compound having a nitr...