| Patents for C22B 43 - Obtaining mercury (631) |
|---|
| 04/01/1980 | US4196173 Process for removing mercury from a gas |
| 02/05/1980 | CA1071136A1 Method for the electrolytic recovery of sb, as, hg and/or sn |
| 11/14/1979 | EP0005262A2 Process for separating mercury from aqueous solutions |
| 10/09/1979 | US4170552 Method for coalescing mercury particles |
| 09/04/1979 | CA1061572A1 Method of selectively bringing into solution the non-ferrous metals contained in sulphurized ores and concentrates |
| 08/28/1979 | US4165981 Method and composition for the decomposition of sodium-mercury amalgam |
| 07/10/1979 | US4160730 Adding hypochlorite, reduction, entrainment in a gas |
| 04/24/1979 | US4151077 Forming mercury mercaptide salt, acidification |
| 04/18/1979 | EP0001456A1 Process for removing mercury from mercury vapour-containing gases |
| 04/17/1979 | US4149879 Recovery of mercury and caustic values from caustic sludges |
| 12/05/1978 | US4128231 Indirectly fired vertical shaft furnace |
| 11/07/1978 | US4124459 Process for removing mercury from brine sludges |
| 09/05/1978 | US4111688 Method for separating gold from acid aqueous solution |
| 08/08/1978 | US4105441 Granular packing of porous polymer matrix with surface active particles of cobalt, nickel, graphite, iron, molybdenum and/or vanadium embedded therein |
| 06/13/1978 | US4094669 Polytetrafluoroethylene membrane filters for mercury recovery |
| 05/02/1978 | US4087359 Process for removing mercury and mercury salts from liquid effluents |
| 05/02/1978 | US4087276 Removal of mercury from sludge by heating and condensing |
| 03/14/1978 | US4078918 Method for precious metal recovery |
| 02/28/1978 | US4076553 Zinc coated metal wools |
| 11/22/1977 | US4059438 Process for the work-up of a contaminated inactive mercury(II)chloride/active carbon-catalyst |
| 11/08/1977 | US4057423 Scrubbing, coversion of sulfur dioxide to trioxide, absorption ion |
| 09/27/1977 | US4051220 Sodium sulfide leach process |
| 07/26/1977 | US4038071 Reduction of ion to free metal, precipitation |
| 06/07/1977 | US4028236 Reduction with tin-coated iron strips |
| 04/12/1977 | US4017369 Or snantimony, arsenic, mercury, tin |
| 11/02/1976 | US3989623 Process for recovery of dissolved mercury salts from aqueous solutions |
| 09/21/1976 | US3981967 Process for the recovery of bound mercury from mercury-containing catalysts |
| 08/24/1976 | US3976571 Extraction |
| 08/10/1976 | US3974254 Process for purifying metallurgical gases containing sulphurous anhydride by extracting mercury |
| 03/16/1976 | US3944415 Removing heavy metal ions from water |
| 01/13/1976 | US3932284 Barrel shaped mercury separator with spoked agitator |