US Patent Issued to SB-KAWASUMI LABORATORIES on July 1 for "Membrane body for tubular treatment device and tubular treatment device" (Japanese Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,250, issued on July 1, was assigned to SB-KAWASUMI LABORATORIES INC. (Kawasaki, Japan).

"Membrane body for tubular treatment device and tubular treatment device" was invented by Noriaki Shirahama (Kawasaki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A membrane body for a tubular treatment device includes a tubular membrane portion (12). The membrane portion forms a multi-layer structure having a first layer (21) formed of a fiber and a second layer (22) having liquid permeability lower than that of the first layer."

The patent was filed on Aug. 20, 2020, under Application No. 17/640,214.

*For further information, including images, charts ...