The pigments division of Merck KGaA, Darmstadt, Germany, has developed a uniform design for its complex product and brand structure and reworked the brand architecture.      From now on, the pearl luster pigments, which up to now have been distributed in the U.S. and Canada under the brand name Afflair, will carry the same Iriodin brand name as in all other countries.      Merck’s laser sensitive pigments, which were previously offered under the brand name Iriodin LS, are now carried in the...