ALEXANDRIA, Va., May 19 -- United States Patent no. 12,630,756, issued on May 19, was assigned to CARBO CERAMICS INC. (Houston).

"Methods of making cross-linked pelletized chemicals" was invented by Keith Hogan (Dublin, Ga.), Joshua Leasure (Houston) and Todd Roper (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing cross-linked chemical treatment agent particles includes introducing a core pellet into a fluidizer. The method also includes mixing a chemical treatment agent with a cross-linker to provide a mixture and introducing the mixture to the fluidizer. The method also includes applying the mixture to the core pellet in the fluidizer to provide a cross-linked chemical trea...