US Patent Issued to SWIMC on June 24 for "Medium or high molecular weight polyester powders, powder coating compositions, and processes of making powders" (Minnesota Inventor)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,321, issued on June 24, was assigned to SWIMC LLC (Cleveland).

"Medium or high molecular weight polyester powders, powder coating compositions, and processes of making powders" was invented by Tom Melnyk (Greenfield, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process of providing a medium or high molecular weight polyester powder, the resultant polyester polymer powder, and a powder coating composition that includes such powder; wherein the process includes: providing or forming an ester oligomer; converting the oligomer to a polyester polymer by stirring at elevated pressure and elevated temperature a reaction mixture that includes the ...