PHILADELPHIA – Dow Coating Materials, a global business unit of The Dow Chemical Co., Midland, MI, plans to expand production of its dispersants product line in response to increasing global demand. Additional production of TAMOL™ and OROTAN™ high-performance hydrophobically modified copolymer dispersants from Dow is slated to begin in the first quarter of 2013 following a rigorous scale-up and qualification process. The additional TAMOL dispersant will be produced for a number of industries including architectural and industrial coatings.