Evonik Industries’ Coatings & Additives Business Unit will raise the selling prices for isophorone derivatives up to 10 percent, effective July 1, 2010 in all regions worldwide. This affects all products sold under the brand names Vestasol, Vestamin, Vestanat and Vestagon.      The steadily rising costs made this decision unavoidable, despite continuous efforts to further enhance productivity and cost reduction....