ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,673, issued on Oct. 21, was assigned to CHEMETICS INC. (Vancouver, Canada).
"Austenitic stainless alloy with superior corrosion resistance" was invented by Grant Harding (Whitby, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Austenitic stainless alloys have been discovered that exhibit unexpectedly superior corrosion resistance, particularly to sulfuric acid solutions, when compared to that exhibited by conventional alloys with closely related compositions. These alloys advantageously are corrosion resistant to a relatively wide range of sulfuric acid concentration and temperature and are thus particularly suitable for use in the industrial ...