ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,970, issued on Oct. 7, was assigned to TORAY INDUSTRIES Inc. (Tokyo).
"Method for manufacturing medical device" was invented by Rumiko Kitagawa (Otsu, Japan) and Masataka Nakamura (Otsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a method of manufacturing a medical device including a substrate and a hydrophilic polymer layer, including the steps of: placing the substrate in a solution containing a hydrophilic polymer and a normal salt in an amount ranging from 1.0 to 20% by mass; and heating the solution at a temperature ranging from 50deg C. to 140deg C. The present invention provides a simple method of manuf...