US Patent Issued to Sumitomo Pharma on May 26 for "Transdermal absorption preparation" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,259, issued on May 26, was assigned to Sumitomo Pharma Co. Ltd. (Osaka, Japan).

"Transdermal absorption preparation" was invented by Eri Ichibayashi (Suita, Japan), Masayasu Tanaka (Suita, Japan), Yuki Ikeda (Suita, Japan), Tomohito Takita (Ibaraki, Japan), Kei Tamura (Ibaraki, Japan), Tetsuya Nakamura (Ibaraki, Japan) and Kaiji Fujiwara (Ibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a transdermal absorption preparation that can maintain a blood concentration sufficient to exert the efficacy of tandospirone, and also shows good storage stability against heat, humidity, and light. According to the prese...