MacDermid Files Patent Infringement Suit Against DuPont

DENVER, Colo.—As part of ongoing efforts to protect its intellectual property, MacDermid has filed a patent infringement lawsuit against DuPont on a US patent relating to its digital photopolymer plate technology. In this lawsuit MacDermid claims that DuPont has manufactured, used, offered for sale, and sold flexographic plates, including products marketed under the names DFH 45, DFM 45, DFM 67, and DPR 67, that are covered by a MacDermid US patent.