ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,420, issued on Sept. 9, was assigned to FRESENIUS MEDICAL CARE HOLDINGS INC. (Waltham, Mass.).
"Polymeric membrane and methods for the production of same" was invented by Brodie Schwinn (Ogden, Utah) and Jiunn Teo (Pleasant View, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a method to make polymeric membranes that are preferably useful in dialysis, wherein the method conducts at least one membrane-forming step and/or post-forming processing step with the use of sonication. Polymeric membrane, such as polymeric hollow fiber membrane, having improved one or properties are further described."
The patent was fi...