US Patent Issued to AHLSTROM on Sept. 23 for "Breathable cleanroom barrier fabric" (Massachusetts, Connecticut Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,420,537, issued on Sept. 23, was assigned to AHLSTROM OYJ (Helsinki).

"Breathable cleanroom barrier fabric" was invented by Douglas Benton (Northampton, Mass.) and Vamsi Krishna Jasti (Vernon, Conn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A breathable barrier fabric that is heat sealable and minimizes lint generation without impacting the fabric's overall breathability, comfort and barrier protection, and that can be used to manufacture Helmke Category II or better cleanroom garments suitable for use in ISO Class 3 cleanroom environments and other hygienic applications. The breathable barrier fabric has a composite laminate structure including a...