U.S. federal trademark · Serial No. 90038365 · Reg. No. 6280983
Reagents for scientific and research use, namely, for use as quantitative standards for assay of metal ions in aqueous solutions; Reagents for scientific and research use, namely, for use as quantitative standards for assay of metal ions in environmental samples; Chemical preparations for use in industry, namely, zinc ion solutions; Chemical preparations for use in industry, namely, zinc ion solutions containing known concentrations of zinc ion; Reagent kits comprising one or more metal ion solutions for use in scientific analysis; Reagent kits comprising one or more metal ion solutions of known concentration of the metal ion for use in scientific analysis
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