CLEVELAND (Akron 16)—Ciba Specialty Chemical Corp.'s Color Division has named M.F. Cachat Co. a distributor of its organic pigments and metal complex dyes in Ohio, western Pennsylvania and west Virginia. The Ciba line includes Monastral, Cromophtal, Irgazin, Irgalite, Irgacolor, Unisperse, Microlith, Orasol, Irgasperse and Novacolor, M.F. Cachat said. The appointment expands the relationship of the two firms, as M.F. Cachat also represents Ciba's Polymer Additives, Imaging & Coating Additives and Polymer Specialties lines.