Canadian Patent Classes

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Class 361 Foam separation
cpcdescription
361/1(1) Froth Flotation
361/2(1) Froth Flotation (2) Specific Solid
361/3(1) Froth Flotation (2) Specific Solid (3) Sulfide Ore
361/4(1) Froth Flotation (2) Specific Solid (3) Sulfide Ore (4) S-containing Reagent
361/5(1) Froth Flotation (2) Specific Solid (3) Sulfide Ore (4) S-containing Reagent (5) Xanthate
361/6(1) Froth Flotation (2) Specific Solid (3) Sulfide Ore (6) N-Containing Reagent
361/7(1) Froth Flotation (2) Specific Solid (3) Sulfide Ore (7) Oxy-Containing Reagent (Inc. Carbohydrate)
361/8(1) Froth Flotation (2) Specific Solid (8) Haloid Ore
361/9(1) Froth Flotation (2) Specific Solid (8) Haloid Ore (9) Sylvite
361/10(1) Froth Flotation (2) Specific Solid (8) Haloid Ore (9) Sylvite (10) N-Containing Reagent
361/11(1) Froth Flotation (2) Specific Solid (11) Oxide Ore
361/12(1) Froth Flotation (2) Specific Solid (11) Oxide Ore (12) Silica
361/13(1) Froth Flotation (2) Specific Solid (11) Oxide Ore (13) Titania
361/14(1) Froth Flotation (2) Specific Solid (11) Oxide Ore (14) Iron Oxides
361/15(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore
361/16(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (16) Carbonate
361/17(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (17) Phosphate
361/18(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (17) Phosphate (18) Plural Different Flotations
361/19(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (19) Sulfate
361/20(1) Froth Flotation (2) Specific Solid (15) Oxygen Salt Ore (20) Silicate (Inc. Clay)
361/21(1) Froth Flotation (21) Specific Reagent Compositions
361/22(1) Froth Flotation (21) Specific Reagent Compositions (22) Resin
361/23(1) Froth Flotation (21) Specific Reagent Compositions (23) P-Containing
361/24(1) Froth Flotation (21) Specific Reagent Compositions (24) S-Containing
361/25(1) Froth Flotation (21) Specific Reagent Compositions (25) N-Containing
361/26(1) Froth Flotation (21) Specific Reagent Compositions (26) Carboxyl-Containing
361/27(1) Froth Flotation (21) Specific Reagent Compositions (27) Oxy-Containing
361/28(1) Froth Flotation (21) Specific Reagent Compositions (28) Hydrocarbon or Oil
361/29(1) Froth Flotation (29) Apparatus
361/30(1) Froth Flotation (29) Apparatus (30) With Mechanical Agitator
361/31(1) Froth Flotation (29) Apparatus (30) With Mechanical Agitator (31) Gas Entry Through Impeller
361/32(1) Froth Flotation (29) Apparatus (30) With Mechanical Agitator (31) Gas Entry Through Impeller (32) Liquid Piped Directly to Impeller
361/33(1) Froth Flotation (29) Apparatus (30) With Mechanical Agitator (33) Gas Entry Below Impeller
361/34(1) Froth Flotation (29) Apparatus (34) With Pneumatic Agitator
361/35(35) Foam Fractionation
361/36(36) Bubble-Type Clarification