Patents for C01G 1 - Methods of preparing compounds of metals not covered by subclasses , , , , in general (5,322) |
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11/05/1987 | DE3615027A1 Process for destroying organic halogen compounds, in particular chlorinated biphenyls, polychlorinated dioxins and polychlorinated furans |
11/03/1987 | US4704249 Lead molybdenum sulfide |
10/06/1987 | US4698139 Hydrometallurgical method for treating valuable metal raw materials containing chlorides and fluorides |
08/26/1987 | EP0233498A2 Process and apparatus of photoelectrocalalytically reducing noble metals in a nitric acid solution |
08/18/1987 | US4687643 Hydrated metal oxides; calcined |
08/04/1987 | CA1224985A1 Porous ceramic thin film and process for preparing the same |
07/08/1987 | EP0227797A1 Reduction of organohalogen compounds in metal and metalloid chloride production streams |
07/07/1987 | US4678505 Process for forming solid solutions |
06/30/1987 | US4676970 Method for producing metal sulfide and the product produced therefrom |
06/23/1987 | US4675416 Ternary charge transfer complex |
06/02/1987 | US4670244 Using ferrophosphorus reducing agent |
05/12/1987 | US4664810 Method of separating heavy metals from complex-forming substances of aminocarboxylic acid type, or salts thereof in aqueous solutions |
05/05/1987 | CA1221244A1 Recovering metals from spent hydroprocessing catalysts |
04/28/1987 | US4661282 Mixed metal oxides and partially hydrated oxides, coprecipitation |
04/15/1987 | CN85109643A Collecting agent for foam-floatation of the useful component in ore |
04/07/1987 | US4655967 Baking a titanate and a group 5 metal compound, antistatic agent |
03/25/1987 | CN85106476A Recovery of usable mineral from ore by foaming agent composite and foaming flotation |
03/24/1987 | US4652434 Chlorination of ores containing alkali or alkaline earth values |
03/24/1987 | CA1219452A1 Method for separating and recovering silica, aluminum and iron from fly ash mineral ores, and mine tailings |
03/18/1987 | EP0214308A1 Method for preparing super-fine spherical particles of metal oxide |
03/18/1987 | CN85107378A Foaming agent composition and process for foam-flotation of regainning effective coal from raw coal |
03/17/1987 | US4650778 Complexing |
03/03/1987 | US4647404 Process for preparing a metamorphosed metal oxide |
02/24/1987 | US4645650 Acid reduction of oxide in presence of carbonaceous material |
02/12/1987 | WO1987000826A1 Chlorination of ores containing alkali or alkaline earth values |
01/15/1987 | WO1987000157A1 Reduction of organohalogen compounds in metal and metalloid chloride production streams |
01/07/1987 | EP0207707A2 Inorganic anion exchangers and preparation thereof |
12/30/1986 | EP0206799A2 Inorganic anion exchangers and preparation thereof |
12/30/1986 | EP0206022A2 Process for the treatment of heavy metal-containing residues issuing from the purification of raw phosphoric acids |
12/30/1986 | EP0205454A1 Process for the preparation of ultrapure active metal fluorides. |
12/30/1986 | EP0205453A1 Process for the preparation of ultrapure heavy metal fluorides. |
11/26/1986 | EP0202824A2 Oxidation process |
11/25/1986 | CA1214335A1 Hydrodynamic recycle of metallic sulfide seed under pressure |
10/14/1986 | US4617158 Process for treating a metal oxide powder |
10/14/1986 | CA1212549A1 Production of metal chlorides |
10/07/1986 | US4616041 Membranes of substantially non-crosslinked organic polymers |
09/12/1986 | WO1986005170A1 Super-fine spherical particles of metal oxide and process for their preparation |
09/09/1986 | US4610857 Method for making ultra-fine ceramic particles |
09/02/1986 | CA1210746A1 Recovering metal compounds from used catalysts obtained from hydroprocessing hydrocarbon feedstocks |
08/26/1986 | CA1210218A1 Complex metal chalocogenides |
08/19/1986 | US4606846 Mixed rare earth metal, divalent transition metal, aluminum oxide |
08/12/1986 | US4605504 Industrial waste purification |
07/17/1986 | WO1986004049A1 Process for the preparation of ultrapure heavy metal fluorides |
07/17/1986 | WO1986004048A1 Process for the preparation of ultrapure active metal fluorides |
07/01/1986 | US4597786 Purifying process of fluoride glass |
05/21/1986 | EP0181496A1 Method for producing a superconducting wire using Chevrel phases |
05/20/1986 | CA1204727A1 Process using complex metal chalcogenides |
05/06/1986 | US4587116 Process for treating chlorinated nitrogen-containing hydrocarbons |
04/23/1986 | EP0178498A2 Process for the reduction of metal ions in aqueous solutions |
04/22/1986 | US4584280 Porous ceramic thin film and process for preparing the same |
04/09/1986 | EP0176760A2 Process for forming solid solutions |
04/01/1986 | CA1202468A1 Process for the production of nearly aluminum chloride-free titanium tetrachloride from titaniferous raw materials containing aluminum compounds |
03/25/1986 | US4578252 Method for preparing ultra-pure zirconium and hafnium tetrafluorides |
03/19/1986 | EP0174866A2 Novel collectors for the froth flotation of mineral values |
03/04/1986 | US4574078 Hydrolysis, roasting |
03/04/1986 | US4574001 Process for producing finely divided dispersions of metal oxides in aluminum hydroxide |
01/08/1986 | EP0089353B1 Method for the selective chlorination of metal oxide mixtures of natural or synthetic origine |
01/07/1986 | US4563338 Stepwise extraction |
01/07/1986 | US4563337 Method and apparatus for continuous ion exchange |
12/27/1985 | EP0165549A2 Electrically conductive titanate derivative and process for preparing the same |
12/03/1985 | CA1197383A1 Process for the recovery of valuable metals from spent crude-oil sulfur-extraction catalysts |
11/21/1985 | EP0161619A2 Catalytic oxidation of solid materials |
11/19/1985 | US4554138 Leaching metals from spent hydroprocessing catalysts with ammonium sulfate |
10/30/1985 | EP0159756A2 Silica intercalated crystalline zirconium phosphate-type materials |
10/30/1985 | EP0159366A1 Process for converting chlorinated hydrocarbons and metal oxides to oxides of carbon and metal chlorides |
10/29/1985 | CA1195824A1 Process for removing heavy metal ions from wet- processed phosphoric acid |
10/09/1985 | EP0157561A2 Metal stripping system and an operation process therefor |
10/08/1985 | US4545973 Molybdenum or tungsten compounds, high temperature lubricants |
10/02/1985 | EP0156617A2 Production of metal fluorides |
09/25/1985 | EP0155533A2 Membranes of not essentially cross-linked polymers |
09/25/1985 | EP0145728A4 Extraction of metals from ores. |
09/24/1985 | US4543197 Process for producing magnetic metallic oxide |
09/17/1985 | US4542009 Synthesis of intercalatable layered stable transition metal chalcogenides and alkali metal-transition metal chalcogenides |
09/17/1985 | CA1193448A1 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
09/03/1985 | US4539187 Method for separating and recovering silica, aluminum and iron from fly ash, mineral ores and mine tailings |
08/28/1985 | EP0152957A2 Method for making ultra-fine ceramic particles |
07/23/1985 | CA1190720A1 Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
07/16/1985 | US4529717 Partially calcined carbonaceous material as a reductant |
07/02/1985 | US4526629 Depositing thin layer of rare earth, exposing to oxygen in dry atmosphere |
06/26/1985 | EP0145728A1 Extraction of metals from ores |
06/11/1985 | US4522723 Reduction of sulfate ions to sulfides with bacteria |
06/04/1985 | US4521384 Process for the production of nearly aluminium chloride-free titanium tetrachloride from titaniferous raw materials containing aluminum compounds |
05/07/1985 | US4515757 Stripping a solution containing molybdenum, tungsten and/or vanadium values |
04/30/1985 | US4514369 Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from an aqueous ammonia and ammonium salt solution by coextracting molybdenum, tungsten and vanadium and sequential extraction of nickel and cobalt |
04/30/1985 | US4514368 Leaching nickel, cobalt, molybdenum, tungsten, and vanadium from spent hydroprocessing catalysts |
03/05/1985 | CA1183547A1 Transition metal - complex compounds and process for making the same |
02/26/1985 | CA1183102A1 Low temperature process for depositing oxide layers by photochemical vapor deposition |
02/19/1985 | US4500495 Roasting, contacting with aqueous ammonia and sulfur dioxide, precipitation with hydrogen sulfide |
02/19/1985 | US4500396 Copper recovery process |
01/16/1985 | EP0131084A1 Lubricating compositions and process using complex metal chalcogenides |
12/19/1984 | EP0128262A1 Complex metal chalcogenides |
12/18/1984 | US4489045 Recovery of by-product calcium chloride from chlorination of titaniferous ores |
12/12/1984 | EP0127999A1 Liquid phase oxidation |
12/11/1984 | US4487747 Production of metal chlorides |
12/06/1984 | WO1984004759A1 Extraction of metals from ores |
11/21/1984 | EP0125639A1 Porous ceramic thin film and process for preparing the same |
11/20/1984 | US4483827 Hydrometallurgical process for the recovery of valuable metals from sulfidic, silicate-containing raw materials |
11/20/1984 | CA1178063A1 Process for the extraction of precious metals for concentrates thereof |
11/13/1984 | CA1177768A1 Hydroconversion process |
11/06/1984 | CA1177254A1 Process for the extraction of precious metals for concentrates thereof |