U.S. federal trademark · Serial No. 75206150
chemicals for use in the mining industry, namely, flotation reagents, including mercaptobenzothiazole dithiophosphates, dithiocarbonates, thinocarbonates, xanthic esters, xanthogen formates, triethoxybutane frothers, polypropylene glycol frothers, dimethylphthalates frother based, guar based depressants
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