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| Number | Title | Issue Date |
| 7011216 | Process for the beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O-alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O-methylthionocarbamate, N-butoxyca... | 03/14/2006 |
| 6988623 | Beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising N-butoxycarbonyl-O-butylthionocarbamate. ... | 01/24/2006 |
| 6820746 | Process for the beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising an N-butoxycarbonyl-O-alkylthionocarbamate selected from the group consisting of N-butoxycarbonyl-O-methylthionocarbamate, N-butoxyca... | 11/23/2004 |
| 6732867 | Beneficiation of sulfide minerals Froth flotation processes, useful for beneficiating base metal mineral values from metal sulfide ore, utilize a collector comprising N-butoxycarbonyl-O-butylthionocarbamate. ... | 05/11/2004 |
| 6702946 | Aqueous dispersions Aqueous dispersions of cationic water-soluble polymers are provided, as well as processes for making and methods of using the same.... | 03/09/2004 |
| 6114417 | Paper sizing agents and methods Sizing agents comprised of dispersed synthetic polymers in an aqueous solution are provided, as well as methods for making these sizing agents and methods for using these sizing agents to size paper. Improved sizing is obtained by including recurring unit... | 09/05/2000 |
| 6110981 | Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby Processes for spray drying water-soluble and water-swellable vinyl-addition polymer-containing dispersions, emulsions and microemulsions to obtain substantially dry water-soluble or water-swellable polymer particles, compositions of substantially dry wate... | 08/29/2000 |
| 6077486 | Process for purifying alumina by mixing a Bayer process stream containing sodium aluminate with amidoxime polymer to reduce the level of iron A process for reducing the level of colloidal iron in a Bayer process stream comprises intermixing an amidoxime polymer with a Bayer process stream and separating the resultant polymer-iron complex to provide purified sodium aluminate solution.... | 06/20/2000 |
| 6040376 | Anionic water-soluble polymer precipitation in salt solution Compositions of precipitated anionic polymers containing mixtures of certain salts as well as processes for making and using the same are disclosed.... | 03/21/2000 |
| 5985992 | Anionic polymer products and processes Aqueous dispersions of anionic water-soluble or water-swellable polymers are provided, where the polymers have an anionic charge of greater than 16% and where the dispersions maintain their form at a pH of 5.1 or greater. Processes for making these disper... | 11/16/1999 |
| 5929408 | Compositions and methods for ore beneficiation Novel compositions comprised of a dialkyl aryl disulfonic acid and a collector different from the dialkyl aryl disulfonic acid are provided, said compositions being useful for beneficiation of ores. Novel methods for using compositions comprised of a dial... | 07/27/1999 |
| 5853677 | Concentration of solids by flocculating in the Bayer process Processes for improving solids/liquids separation efficiency in the Bayer process are disclosed, wherein Bayer process streams are treated with calcium or magnesium salts, flocculated with carboxylic acid or salt group-containing polymers, and centrifuged... | 12/29/1998 |
| 5779396 | Processes for conditioning soil with anionic water-soluble polymers Compositions of precipitated anionic polymers containing mixtures of cationic organic salts and kosmotropic salts as well as processes for making and using the same to condition soil are disclosed.... | 07/14/1998 |
| 5759249 | Sizing emulsion Sizing emulsions comprised of (a) hydrophobic cellulose-reactive sizing agents and (b) amines, amine salts and/or quaternary amines are disclosed, as well as low shear and high shear processes for making said emulsions and methods of using said emulsions ... | 06/02/1998 |
