US Patent Issued to Johns Manville on Sept. 22 for "Multilayer non-woven mat for lead acid batteries and applications therefor" (Ohio, Colorado Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,285, issued on Sept. 22, was assigned to Johns Manville (Denver).

"Multilayer non-woven mat for lead acid batteries and applications therefor" was invented by Zhihua Guo (Ottawa Hills, Ohio), Richard Thomas Hausman (Waterville, Ohio) and Souvik Nandi (Highlands Ranch, Colo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multilayer non-woven mat for a lead-acid battery includes a first layer of non-woven web of fibers including coarse fibers having an average fiber diameter from about 6 micro metre to about 25 micro metre and a second layer of non-woven web of fibers including microfibers having an average diameter from about 0.5 micro metre to ab...