U.S. federal trademark · Serial No. 73599670 · Reg. No. 190483
CHEMICAL AGENTS FOR USE IN THE MINING INDUSTRY FOR THE TREATMENT OF ORES BY FLOTATION PROCESS; NAMELY, COLLECTORS, PROMOTERS, STABILIZERS, DEPRESSANTS, FROTHERS, DEFOAMERS, FLOCCULANTS, DISPERSING AGENTS, AGGLOMERATING AGENTS, FILTERING AIDS
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