ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,447,442, issued on Oct. 21, was assigned to EMD Millipore Corp. (Burlington, Mass.).
"Microfiltration membrane" was invented by Jijun Ge (Burlington, Mass.) and Xiaozhu Zhou (Burlington, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a multizone, unsupported, microporous, high throughput membrane. The membrane includes a first microporous zone, a second microporous zone, and a third microporous zone, where the third microporous zone is positioned between the first and second microporous zones, with the first, second, and third microporous zones being integral with one another. Further aspects of the present appli...