US Patent Issued to 3M Innovative Properties on Nov. 11 for "Method of making a coated abrasive article" (British Inventor)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,466,032, issued on Nov. 11, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Method of making a coated abrasive article" was invented by Polly H. R. Keen (Cambridge, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making a coated abrasive article includes disposing abrasive composite precursors on a major surface of a water-soluble film. The abrasive composite precursors are lightly contacted with a porous fibrous backing, and the abrasive composite precursors are hardened to form abrasive composites. Dissolving the water-soluble film provides the coated abrasive article."

The patent was filed on March 31, 2021,...