Patents for B03D 101 - Specified effects produced by the flotation agents (940)
05/2006
05/03/2006CN1765519A Deslim-floatation celestite inished ore process
03/2006
03/08/2006CN1244408C Floatation method of desulfurizing and desiliconizing diasporic bauxite
02/2006
02/22/2006CN1242852C Technique of adjusting and controlling electric potential for floatation of sulphide ore of lead and zinc
02/22/2006CN1242851C Technique for fast selecting plumbum and zinc for sulphidic ore of plumbum-zinc
02/22/2006CN1242850C Multiple step flotation technique for raising rate of reclaiming silver in plumbum
02/08/2006CN1240480C Selective recovery of minerals by flotation
01/2006
01/18/2006CN1721080A Cassiterite ore separation method
01/18/2006CN1721079A Collophane anti-floatation collector
01/04/2006CN1714941A Ore dressing method for paigeite
12/2005
12/01/2005US20050263442 Collecting agent for sulphidic ores, the production and use thereof
11/2005
11/30/2005EP1528957B1 Use of a collecting agent for sulphidic ores and method of its production
10/2005
10/12/2005CN1680042A Stepped flotation of tin, lead and zinc sulfide mine
09/2005
09/07/2005CN1665598A Collecting agent for sulphidic ores
05/2005
05/11/2005EP1528957A2 Collecting agent for sulphidic ores
05/2004
05/13/2004WO2004014562A3 Collecting agent for sulphidic ores, the production and use thereof
02/2004
02/19/2004WO2004014562A2 Collecting agent for sulphidic ores, the production and use thereof
12/2002
12/18/2002CN1096299C Method of depressing non-sulfide cilicate gangue minerals
06/2001
06/13/2001EP0929362B1 Compositions and methods for ore beneficiation
02/2001
02/15/2001WO2001010561A1 Blowing agent for flotation of mineral products and method for the production thereof
07/2000
07/26/2000EP0830208B1 Method of depressing non-sulfide silicate gangue minerals
11/1999
11/09/1999CA2124359C 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
10/1999
10/06/1999CN1230905A Compositions and method for ore beneficiation
08/1999
08/11/1999EP0830209B1 Method of depressing non-sulfide silicate gangue minerals
07/1999
07/27/1999US5929408 Compositions and methods for ore beneficiation
07/21/1999EP0929362A1 Compositions and methods for ore beneficiation
07/1998
07/01/1998CN1186456A Method of depressing non-sulfide cilicate gangue minerals
07/01/1998CN1186455A Method of depressing non-sulfide silicate gangue minerals
04/1998
04/02/1998WO1998013142A1 Compositions and methods for ore beneficiation
04/02/1998CA2266902A1 Compositions and methods for ore beneficiation
03/1998
03/25/1998EP0830209A1 Method of depressing non-sulfide silicate gangue minerals
03/25/1998EP0830208A1 Method of depressing non-sulfide silicate gangue minerals
12/1996
12/19/1996WO1996040439A1 Method of depressing non-sulfide silicate gangue minerals
12/19/1996WO1996040438A1 Method of depressing non-sulfide silicate gangue minerals
12/19/1996CA2222871A1 Method of depressing non-sulfide silicate gangue minerals
04/1996
04/09/1996US5505310 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
08/1995
08/23/1995EP0615467B1 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
09/1994
09/21/1994EP0615467A1 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores.
06/1993
06/22/1993CA1319452C Recovery of gold using diisobutyl and disec. butyl monothiophosphinates
06/10/1993WO1993010903A1 2-mercapto-benzoxazole derivatives as collectors for the selective flotation of metal ores
09/1991
09/10/1991CA2037883A1 Process for the selective flotation of phosphorus minerals
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