Sartomer Company has promoted Thierry Razat to business manager, hydrocarbon resins.      In his new position, Mr. Razat is responsible for overseeing all sales and marketing activities for Sartomer’s Norsolene hydrocarbon resins throughout North and Latin America. He reports to Jack Potts, Sartomer’s senior vice president of marketing and business development, and to Thierry Kuter, global general manager for the Norsolene hydrocarbon line of resins for Cray Valley Paris, Sartomer’s sister com...