ALEXANDRIA, Va., June 19 -- United States Patent no. 12,329,888, issued on June 17, was assigned to FRESENIUS MEDICAL CARE DEUTSCHLAND GMBH (Bad Homburg, Germany).

"Apparatus and method for preparing dialyzate" was invented by Stefan Konrad Marterstock (Dettelbach, Germany), Torsten Keller (St. Wendel, Germany) and Benedict Glaser (Schweinfurt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an apparatus and a method for preparing dialyzate, wherein the apparatus has a first part and a second part that is configured as a circuit; wherein the first part comprises a water connection or a water container as well as the primary side of a filter; wherein the filter is confi...