US Patent Issued to 3M Innovative Properties on Jan. 28 for "Use of magnetics with magnetizable abrasive particles, methods, apparatuses and systems using magnetics to make abrasive articles" (Minnesota Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,491, issued on Jan. 28, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Use of magnetics with magnetizable abrasive particles, methods, apparatuses and systems using magnetics to make abrasive articles" was invented by Joseph B. Eckel (Vadnais Heights, Minn.), Aaron K. Nienaber (Maplewood, Minn.), Ronald D. Jesme (Plymouth, Minn.) and Samad Javid (Woodbury, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "According to one embodiment, a method of making an abrasive layer on a backing is disclosed. The method can comprise: providing a distribution tool having a dispensing surface with cavities, providing a backing having a first m...