US Patent Issued to HYDRO PRECISION TUBING (SUZHOU) on March 24 for "Long-life aluminum alloy with a high corrosion resistance and helically grooved tube produced from the alloy" (Chinese, Danish, Norwegian Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,197, issued on March 24, was assigned to HYDRO PRECISION TUBING (SUZHOU) Co. LTD (Suzhou, China).

"Long-life aluminum alloy with a high corrosion resistance and helically grooved tube produced from the alloy" was invented by Minxia Li (Suzhou, China), Arvid Espedal (Marslet, Denmark), Nagaraj V. Govindaraj (Tonder, Denmark), Ole Johannes Emmerhoff (Torvastad, Norway), Guo Pingchuang (Suzhou, China), Jinghui Su (Suzhou, China) and Hongping Xu (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aluminium alloy including 1.0-1.5 wt % Mn, up to 0.1 wt % Mg, up to 0.3 wt % Si, up to 0.3 wt % Fe, up to 0.1 wt % Cu, up to 0.25 wt % Cr, up to ...