Magnesium Elektron North America, Inc. v. St. Pierre et al, madc:4:2018cv40207

ZINC ALLOY PRINTING PLATES FOR PHOTOENGRAVING;

sensitized photoengraving plates of metal; namely, copper plates, zinc plates, and magnesium plates; and developing chemicals for said plates;

[ water-based developer of zinc photo-engraving plates ];

photo-engraving plates of zinc;

additive chemical used to facilitate etching of magnesium photo-engraving plates;

chemical additive used in conjunction with a specific etching solution for the manufacture of copper relief engraving plates;