| 4857179 |
Ore flotation and mineral flotation agents for use therein |
Gary D. Macdonell, Harold W. Mark |
1989-08-15 |
| 4747940 |
Ore flotation and tri-alkali metal-di(carboxyalkyl) dithiocarbamate and triammonium-di(carboxyalkyl) dithiocarbamate flotation agents for use therein |
Clarence R. Bresson, Harold W. Mark |
1988-05-31 |
| 4650568 |
Trithiocarbonates as depressants in ore flotation |
Clarence R. Bresson, Harold W. Mark |
1987-03-17 |
| 4619760 |
Ore flotation agent from 2-mercaptobenzimidazole and flotation processes therewith |
Clarence R. Bresson, Harold W. Mark |
1986-10-28 |
| 4601818 |
Ore flotation |
Clarence R. Bresson |
1986-07-22 |
| 4595538 |
Tri-alkali metal-di(carboxyalkyl)dithiocarbamate and triammonium-di(carboxyalkyl)dithiocarbamate flotation agents |
Clarence R. Bresson, Harold W. Mark |
1986-06-17 |
| 4561971 |
Ore flotation and flotation agents for use therein |
Clarence R. Bresson |
1985-12-31 |
| 4554068 |
Ore flotation and flotation agents for use therein |
Harold W. Mark, Clarence R. Bresson |
1985-11-19 |
| 4554108 |
Alkali carboxyalkyl dithiocarbamates and use as ore flotation reagents |
Harold W. Mark, Clarence R. Bresson |
1985-11-19 |
| 4533467 |
Ore flotation and flotation agents for use therein |
Clarence R. Bresson, Harold W. Mark |
1985-08-06 |
| 4528141 |
Process for producing trithiocarbonic acid esters |
Clarence R. Bresson |
1985-07-09 |
| 4518492 |
Ore flotation with combined collectors |
Clarence R. Bresson |
1985-05-21 |