U.S. federal trademark · Serial No. 98622471 · Reg. No. 2433406
Chemical preparations in the nature of ion-exchange resins as filtration media for use in industrial water softening and purification systems; softening chemical preparations for ion exchange resin as filtration media for use in industrial water softening and purification systems; chemical preparations in the nature of ion-exchange resin membranes as filtration media for use in industrial water softening and purification systems
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