ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,214, issued on July 22, was assigned to Asahi Kasei K.K. (Tokyo).

"Porous body, separator for lead acid storage batteries, and lead acid storage battery" was invented by Tomonori Kiyama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a porous body which contains sheath-core type binder fibers and a resin binder, and which is characterized in that: the resin binder (the solid content) is contained in an amount of more than 5.0 parts by mass but less than 50 parts by mass relative to 100 parts by mass of the porous body; and if P (N) is the penetration strength of the porous body and B (g/m2) is the weight per squa...