N-alkyl and N-alkenyl aspartic acids as co-collectors for the fl
N-aminoethylpiperazine condensates for beneficiation of phosphat
Neutral hydrocarboxycarbonyl thionocarbamate sulfide collectors
Neutral hydrocarboxycarbonyl thiourea sulfide collectors
Neutral hydrocarboxycarbonyl thiourea sulfide collectors
Novel collector composition for froth flotation
Novel collectors and processes for making and using same
Novel collectors for the selective froth flotation of mineral su
Novel collectors for the selective froth flotation of mineral su
Novel flotation agents for the beneficiation of phosphate ores
Novel O,O'-, O,S'- or S,S'-dithiodialkylene-bis(mono- or dihydro