Abstract: An improved method in concentrating oxide ores by froth flotation process which comprises subjecting a sufficiently fine sized ore of a metal which can change the valency state from higher to lower by the action of inorganic reducing compounds in the presence of an effective amount of dihydroxyoleic acid collector-frother; the indicated compounds provide selectivity and/or recovery of oxide minerals of iron, manganese, tin, titanium, vanadium, and wolfram, over silica and silicate gangue.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal host; comprises a therapeutically effective mixture consisting of cysteine sodium salt, and disodium thiosulfate, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged aminothiopropionic acid radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill the parasites.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal hosts; comprising a therapeutically effective mixture consisting of cystine disodium salt, and disodium thiosulafate, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged aminopropionic sulfide radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill the parasites.

Abstract: An improved method for concentration of nickel, cobalt, and bismuth minerals from their ores by froth flotation process which comprises; subjecting a sufficiently fine sized ore of nickel, or cobalt, or bismuth metals in the presence of nitrosoguanidine cyclohexanol or pyridil ketoxime cyclohexanol, or phenethylcyclohexanedioxime, pr pyridil ketoxime, nitrosoguanidine; the indicated compounds provide selectivity and recovery of nickel, and cobalt, and bismuth minerals from distinct mineral slurry of said metal values.

Abstract: An improved method in concentration of oxide ores by froth flotation process which comprises subjecting a sufficiently fine sized ore of a metal which can change the valency state from lower to higher by the action of inorganic oxidizing compounds in the presence of an effective amount of a polyhydroxy fatty acid collector-frother; the indicated compounds provide selectivity and/or recovery of oxide minerals of iron, chromium, cerium, antimony, arsenic, titanium, zirconium, thorium, vanadium, niobium, tantalum, and wolfram, over silica and silicate gangue.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal host; comprises a therapeutically effective mixture consisting of homocysteine sodium salt, which is aminomercaptobutyric acid and dipotassium hydrosulfate, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged aminothiobutyric acid radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill the parasites.

Abstract: An improved method in concentration of zirconium ores and minerals by froth flotation process which comprises subjecting a sufficiently fine sized ore of zirconium metal in the presence of phenethylglycolic acid or its sodium salt; or the like alkyl substituted phenylglycolic acid; the indicated compound provide selectivity and recovery of zirconium minerals over silica and silicate gangue.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal host; comprises a therapeutically effective mixture consisting of cysteine sodium salt, and disodium sulfite, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged aminothiopropionic acid radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill the parasites.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal host; comprises a therapeutically effective mixture consisting of mercaptolactic sodium salt, and dipotassium hydrosulfate, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged thiolactic radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill the parasites.

Abstract: The invention relates to a therapeutic mixture for treating bacterial and viral infections and exterminating parasites in human and animal host; comprises a therapeutically effective mixture consisting of mercaptoacetic sodium salt, and disodium sulfite, which in conjunction perform after injection a permanent reducing action liberating charged hydrogen, and charged thioacetic radical, which are biologically active neutralizing and transforming bacteria and viruses, and kill parasites.

Abstract: Beneficiation of metallic oxide ores by froth flotation process using polyhydroxy fatty acids collector-frothers in the presence of silica, silicates, and the like gangue minerals to obtain pure concentrates of desired metal values; comprises, adding to a water suspension of finely divided ore material of polyhydroxy fatty acids to collect the metal value, leaving unaffected gangue minerals.

Abstract: Beneficiation of metallic ores selected from the group of zinc, bismuth, cobalt, nickel, titanium, zirconium, thorium, chromium, molybdenum, wolfram, and uranium, by froth flotation process using commercial amines in conjunction with oxalic acid or alkali oxalates to obtain pure concentrates of said metal values comprises; adding to a water suspension of finely divided ore of amine type collectors and an adequate amount of oxalic acid or a soluble oxalate which acting in conjunction activate and levitate in the froth by usual froth flotation process the metal values of zinc, bismuth, cobalt, nickel, titanium, zirconium, chromium, and uranium minerals; and for molybdenum and wolfram recovering the pulp of mineral slurry are oxidized with hydrogen peroxide, or any strong oxidizing agent and proceed as described above.

Abstract: Froth flotation method for recovering copper, nickel, silver, mercury, bismuth, and lead values from their ores by applying thiourea or any substituted thiourea in conjunction with hydrochloric, nitric, sulfuric, phosphoric, oxalic, hexacyanoferric (II), thiocyanic, or cyanic acids to obtain pure copper, nickel, silver, mercury, bismuth, and lead concentrates, which comprises; adding to a water suspension of finely divided ore of thiourea, or substituted thiourea, and an adequate amount of the above said acids, and especially for recovering of copper minerals the addition comprises hydrochloric, nitric at a pH 6.5, sulfuric, phosphoric, oxalic, hexacyanoferric (II), cyanic at a pH 7.0 of the mineral slurry; for recovering nickel minerals, thiocyanic acid, i.e., potassium thiocyanate in a neutral pulp of mineral slurry; for recovering silver mineral or native silver, hydrochloric, nitric, or oxalic acid in a slightly acid pulp of mineral slurry at a pH 6-6.

Abstract: A froth flotation method for recovering native silver and copper, and metallic ores selected from the group of silver, copper, nickel, cobalt, and chromium, by applying commercial quaternary bases or their salts in conjunction with perchloric acid to obtain pure concentrates of said metal values, which comprises; adding to a water suspension of finely divided ore of quaternary ammonium type collectors of commercial origin, and an adequate amount of perchloric acid, which acting in conjunction activate and levitate in the froth by usual froth flotation process the metal values of silver, copper, nickel, cobalt, and chromium.

Abstract: Beneficiation of metallic ores by froth flotation using polyhydroxy amines depressants for gangue material, such as silica, silicates, carbonates, sulfates, phosphates to obtain pure concentrates of desired metal values with adequate collectors; comprises, adding to a water suspension of finely divided ore of polyhydroxy amine to depress the said gangue material in the presence of an adequate collector for the recovering of the desired metal value.

Abstract: Beneficiation of coals, metallic, and non-metallic ores by froth flotation process using polyhydroxy alkyl xanthate depressants for pyrite in coals, or in metallic and non-metallic ores to obtain pyrite sulfur free coal, as well as pyrite free metallic or non-metallic minerals by depressing pyrite and marcasite as the waste material of coal or ore, comprises; adding to a water suspension of finely divided coal or ore of a polyhydroxy alkyl xanthate to depress pyrite and certain organic sulfur compounds in the presence of an adequate collector for recovering pyrite sulfur free coal, or pyrite and marcasite free mineral concentrates.

Abstract: A froth flotation method for recovering of mineral values of earth alkaline metal minerals such as of magnesium, calcium, strontium, barium; base metal minerals such as of copper, silver, lead, zinc; heavy metal minerals such as of nickel, cobalt, iron, and manganese by froth flotation method which comprises; adding to a water suspension of finely divided ore at a pH from 6 to 8, an amount of alkyl, alkylaryl, aralkyl, aryl, cyclo, cycloalkyl bicarbonate as promoter-collector; aerating the pulp of mineral slurry and recovering the floated mineral from the suspension.

Abstract: A froth flotation method for recovering vanadium, molybdenum, wolfram, and uranium minerals over silica, alumino, and ferromagnesian silicates, which comprises; subjecting the comminuted ore of aforesaid metals to froth flotation process in the presence of phosphoric, pyrophosphoric, phosphorous, and hypophosphorous acids and an effective amount of quaternary ammonium hydroxide; molybdenum sulfide ore is oxidized with hydrogen peroxide or the like peroxidizing agents to a higher oxidizing state prior to adding phosphoric acid and the quaternary ammonium hydroxide; the indicated compounds provide selectivity and recovery of metal values of vanadium, molybdenum, wolfram, and uranium.

Abstract: A froth flotation method for the recovery of copper, nickel, cobalt, oxide, silicate, sulfide, arsenide, and antimonide minerals from their ores over iron sulfides, silica and silicates, as well as for the recovery of silicate minerals of lithium, sodium, potassium, and caesium over silica and feromagnesian silicates, and for the recovery of potassium halides and sulfates over sodium and magnesium halides and sulfates, strontium, and barium sulfates and carbonates, which comprises; subjecting the comminuted ore of aforesaid metals and minerals to froth flotation process in the presence of nitrous acid and an effective amount of a combination of quaternary phosphonium nitrite and ternary phosphine dinitrite, and potassium, sodium, ammonium nitrite, calcium, and barium dinitrite; the indicated compounds provide selectivity and recovery of aforesaid metal and mineral values.

Abstract: A froth flotation method for the recovery of copper, nickel, cobalt, oxide, silicate, sulfide, arsenide, and antimonide minerals from their ores over iron sulfides, silica and silicates, as well as for the recovery of silicate minerals of lithium, sodium, potassium, and caesium over silica and feromagnesian silicates, and for the recovery of potassium halides and sulfates, strontium, and barium sulfates and carbonates, which comprises; subjecting the comminuted ore of aforesaid metals and minerals to froth flotation process in the presence of nitrous acid and an effective amount of a combination of quaternary ammonium nitrite and ternary phosphine dinitrite, or a combination of aforesaid quaternary ammonium nitrite or ternary phosphine dinitrite, and potassium, sodium, or ammonium nitrite, calcium, strontium, barium, or iron dinitrite; the indicated compounds provide selectivity and recovery of aforesaid metal and mineral value.