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Class Information
Number: 209/167
Name: Classifying, separating, and assorting solids > Fluid suspension > Liquid > Floating > Buoyant material > Bubbles > Processes > With modifying agents > Preferential
Description: Processes of bubble flotation of the type of the preceding subclass, employing reagents, in which the selection by the bubbles is between a plurality of constituents of which each is normally flotable, those of one kind being floated while others are not.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7516849 |
Froth flotation process with pH modification |
Apr. 14, 2009 |
| 7360656 |
Method to improve the cleaner froth flotation process |
Apr. 22, 2008 |
| 7314139 |
Process for sulphide concentration |
Jan. 1, 2008 |
| 7299930 |
Collecting agent comprising ammoniated compounds (primary, secondary, tertiary amines), for use in the process of grinding and/or floating copper, molybdenum, zinc, and other contained mineral |
Nov. 27, 2007 |
| 7152741 |
Use of ozone to increase the flotation efficiency of sulfide minerals |
Dec. 26, 2006 |
| 7028845 |
PH adjustment in the flotation of sulphide minerals |
Apr. 18, 2006 |
| 7004326 |
Arsenide depression in flotation of multi-sulfide minerals |
Feb. 28, 2006 |
| 6988623 |
Beneficiation of sulfide minerals |
Jan. 24, 2006 |
| 6959815 |
Selective reactive oily bubble carriers in flotation processes and methods of generation and uses thereof |
Nov. 1, 2005 |
| 6945407 |
Flotation of sulphide minerals |
Sep. 20, 2005 |
| 6874640 |
Process for separation of bastnaesite from weathered bastnaesite barite fluorite ores |
Apr. 5, 2005 |
| 6536595 |
Mineral ore flotation aid |
Mar. 25, 2003 |
| 6484883 |
Use of cupric chloride in zinc flotation |
Nov. 26, 2002 |
| 6427843 |
Flotation separation of valuable minerals |
Aug. 6, 2002 |
| 6170669 |
Separation of minerals |
Jan. 9, 2001 |
| 6138835 |
Recovery of petalite from ores containing feldspar minerals |
Oct. 31, 2000 |
| 6098810 |
Flotation process for separating silica from feldspar to form a feed material for making glass |
Aug. 8, 2000 |
| 6092666 |
Reduction of pH modifying agent in the flotation of copper minerals |
Jul. 25, 2000 |
| 6076682 |
Process for froth flotation of silicate-containing iron ore |
Jun. 20, 2000 |
| 6044978 |
Process for recovery of copper, nickel and platinum group metal bearing minerals |
Apr. 4, 2000 |
| 6041941 |
Reagent consumption in mineral separation circuits |
Mar. 28, 2000 |
| 6036025 |
Mineral flotation separation by deoxygenating slurries and mineral surfaces |
Mar. 14, 2000 |
| 6032805 |
Enhanced effectiveness of sulfoxy compounds in flotation circuits |
Mar. 7, 2000 |
| 5992640 |
Precious metals recovery from ores |
Nov. 30, 1999 |
| 5925862 |
Process for the recovery of cobalt from ores containing metal sulfides |
Jul. 20, 1999 |
| 5879542 |
Flotation process |
Mar. 9, 1999 |
| 5855771 |
Pyrite depressant useful in floation separation |
Jan. 5, 1999 |
| 5855770 |
Base metal mineral flotation processes |
Jan. 5, 1999 |
| 5853571 |
Pyrite depressant useful in flotation separation |
Dec. 29, 1998 |
| 5846407 |
Pyrite depressant useful in flotation separation |
Dec. 8, 1998 |
| 5837210 |
Method for processing gold-bearing sulfide ores involving preparation of a sulfide concentrate |
Nov. 17, 1998 |
| 5795465 |
Process for recovering copper from copper-containing material |
Aug. 18, 1998 |
| 5795466 |
Process for improved separation of sulphide minerals or middlings associated with pyrrhotite |
Aug. 18, 1998 |
| 5753104 |
Physical separation processes for mineral slurries |
May. 19, 1998 |
| 5720873 |
Method of floating calcium carbonate ore and flotation reagent therefor |
Feb. 24, 1998 |
| 5702591 |
Flotation method for non-ferrous metal variable ores |
Dec. 30, 1997 |
| 5700369 |
Process for adsorboaggregational flotation of Carlin type natural gold ore dressing |
Dec. 23, 1997 |
| 5626647 |
Method for recovering gold and other precious metals from carbonaceous ores |
May. 6, 1997 |
| 5566832 |
Method for sorting plastics from a particle mixture composed of different plastics |
Oct. 22, 1996 |
| 5545351 |
Use of stearic acid esters of polypropylene glycol to control foam |
Aug. 13, 1996 |
| 5533626 |
Method of depressing non-sulfide silicate gangue minerals |
Jul. 9, 1996 |
| 5531330 |
Method of depressing non-sulfide silicate gangue minerals |
Jul. 2, 1996 |
| 5525212 |
Method of depressing non-sulfide silicate gangue minerals |
Jun. 11, 1996 |
| 5507395 |
Method of depressing non-sulfide silicate gangue minerals |
Apr. 16, 1996 |
| 5439116 |
Process for the recovery of micas by flotation and micas thus obtained |
Aug. 8, 1995 |
| 5439115 |
Process for selective flotation of copper-lead-zinc sulfide |
Aug. 8, 1995 |
| 5411148 |
Selective flotation process for separation of sulphide minerals |
May. 2, 1995 |
| 5407080 |
Apatite flotation reagent |
Apr. 18, 1995 |
| 5402893 |
Method for processing waste material in the form of filter rods, filter cigarettes and the like |
Apr. 4, 1995 |
| 5402894 |
Coal conditioning process |
Apr. 4, 1995 |
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