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