ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,238, issued on April 7, was assigned to Philip Morris Products S.A. (Neuchatel, Switzerland).
"Low hygroscopicity active powder compositions" was invented by Fabiana Spadaro (Lausanne, Switzerland) and Gerard Zuber (Boulens, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "An inhalable powder includes crystalline dry powder particles. The crystalline dry powder particles include a solid salt of an alkaloid and a sugar alcohol. The salt is solid at 25deg C. The sugar alcohol may include mannitol, erythritol, myo-inositol, adonitol, xylitol, or a combination thereof. The inhalable powder may be part of a powder system that further includes a...