Reichhold, Inc., Research Triangle Park, N.C., announced Sept. 26 that it has acquired the unsaturated polyester resin business of Millennium Polymer, a Houston, TX resin supplier.      “This acquisition further solidifies Reichhold’s global leadership position as the world’s largest supplier of unsaturated polyester resins for the composites industry,” said Julia Harp, Reichhold global composites senior vice president. “We are very excited to welcome Millennium’s customers to Reichhold and lo...