ALEXANDRIA, Va., July 23 -- United States Patent no. 12,364,647, issued on July 22, was assigned to FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH (Bad Homburg, Germany).

"Bag for solid concentrate" was invented by Philippe Laffay (Sainte Foy les Lyon, France), Francois Dumont D'Ayot (Lyons, France) and Catherine Raymond (Bessenay, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a bag (1) made of a flexible wall, which bag is fitted with an inlet fluid line for introducing dissolution water, and with an outlet fluid line (121, 122) for extracting a solution obtained. According to the invention, the inside of the bag has a lower edge (13) in the overall shape of a V, the point of the V...