Patents for C01G 1 - Methods of preparing compounds of metals not covered by subclasses , , , , in general (5,322) |
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06/09/1981 | US4272494 Method for recovering metals of groups V-VI of the periodic system from solutions and pulps |
06/02/1981 | CA1102346A1 Process for producing a functionalized silica by reacting silica with a silane and a polyamine |
05/12/1981 | US4267157 Process of preparing metal phosphorus trisulfides |
04/15/1981 | EP0026845A1 Electrochemical generator with non-aqueous electrolyte, and manufacturing process |
03/25/1981 | EP0025560A1 Electrochemical generator with non-aqueous electrolyte |
03/24/1981 | US4258023 Process for the pyrogenous production of very finely divided oxides of a metal and/or of a metalloid |
03/24/1981 | US4257807 Precious metals recovery process |
03/17/1981 | CA1097508A1 Recovery of metal values |
02/10/1981 | US4249989 Isolating solid substances from a vapor and gas mixture and pulps |
02/03/1981 | US4248850 From basic metal compound and bromine, formaldehyde reducing agent |
01/27/1981 | CA1094291A1 Commercial production of transition metal sulfides from their halides |
01/07/1981 | EP0021809A1 Chloride leaching |
01/06/1981 | US4243411 Reduction of metal sulfides |
12/30/1980 | US4242374 Process for thin film deposition of metal and mixed metal chalcogenides displaying semi-conductor properties |
12/30/1980 | US4242305 Apparatus for controlling emissions of hydrogen sulfide from a system utilizing geothermal steam |
12/23/1980 | US4240909 Nonionic amine-borane or phosphine-borane adducts |
12/10/1980 | EP0019847A2 Process for the preparation of metal salts, photographic materials and their use in the production of photographic images |
12/09/1980 | US4238294 Process for recovering heavy metal ions or heavy metal ions and halogen values from solutions comprising a lower aliphatic monocarboxylic acid |
11/18/1980 | CA1089607A1 Inorganic pigment comprising a solid solution of differing spinels |
11/11/1980 | US4233254 Thermosetting resin binder |
10/28/1980 | CA1088316A1 Ore halogenation process |
10/07/1980 | CA1087329A1 Process for the removal of metals from solutions |
10/07/1980 | CA1086963A1 Process for the recovery of non-ferrous metals from acidic hydrometallurgical leach liquors with a chelate exchange resin |
10/07/1980 | CA1086919A1 Recovery of chlorine values from a melt oxidation gas |
09/16/1980 | CA1085584A1 Process for selectively recovering metal chlorides from gaseous effluent |
09/09/1980 | US4221828 Process of producing metal sulfide powder coated with copper |
09/02/1980 | US4220629 Chlorination of ores with catalyzed metal chlorides |
09/02/1980 | US4220627 Process for the treatment of raw materials containing arsenic and metal |
08/20/1980 | EP0014557A1 Process for precipitating metal values from organic media |
08/19/1980 | US4218431 Removal of sulfide contaminants from carbonate waters with production of CO2 -free H2 S |
07/29/1980 | CA1082424A1 Method of preparing crystalline compounds a suiva xx b suvia xx |
06/24/1980 | US4209707 Wire guide plate for production of gaseous metal halides |
06/17/1980 | US4208394 Reaction with carbon disulfide |
05/28/1980 | EP0011084A1 Process for the pyrogenic production of a highly particulate oxide of a metal and/or metalloid |
05/27/1980 | US4204933 Electrocoating process for producing a semiconducting film |
05/20/1980 | US4203866 Chemical compositions based on titanium trihalides and methods for their production and use |
05/20/1980 | CA1077680A1 Fluidized reactor reduction of uf6 to uo2 |
05/06/1980 | US4201739 Manufacture of metal halide particles |
04/22/1980 | US4199478 Method for preparing metal-carbonyl clusters immobilized in zeolite, as heterogeneous catalysts |
04/15/1980 | CA1075841A1 Melt viscosity stabilizers for vinyl chloride polymers |
03/25/1980 | CA1074127A1 Process for precipitating precious metals from solutions which contain them |
03/25/1980 | CA1074081A1 Perovskite catalytic compositions having crystal structures and containing metals of the platinum group |
03/11/1980 | US4192851 Leaching of metal sulphides |
02/26/1980 | US4190639 Carbon monoxide, multivalent metal chloride molten salts, phosgene |
01/08/1980 | US4182747 Chlorides of aluminum, molybdenum, vanadium, cobalt, nickel; separating hydrocarbons impregnating waste catalyst support; chlorinating; passing effluent through sodium chloride |
12/25/1979 | US4180551 Ion exchanging |
12/18/1979 | CA1068074A1 Oxidation and reduction using platinum metal perovskite catalysts |
11/13/1979 | CA1066024A1 Method of forming inorganic monomeric and polymeric complexes and products so produced |
10/23/1979 | US4172115 Dehydration, desulfurization |
08/28/1979 | US4166032 Method and apparatus for removing heavy metals from waste water streams |
08/07/1979 | US4163664 Process for precipitating precious metals from solutions which contain them |
07/17/1979 | US4161461 Treatment of transition metal compound |
07/03/1979 | US4160118 Method and apparatus for superheating gases |
07/03/1979 | US4159962 Method of preparing layered chalcogenides |
07/03/1979 | US4159930 Process for recovering heavy metal ions from dilute aqueous solution |
05/30/1979 | EP0002109A1 A method for the preparation of thin photoconductive films and of solar cells employing said thin photoconductive films |
03/20/1979 | US4145403 Arc heater method for producing metal oxides |
03/20/1979 | US4145400 Coprecipitation salts of aluminum and cobalt or nickel with sodium carbonate |
02/27/1979 | US4141960 Complex bimetallic salts |
02/27/1979 | US4141778 Vapor deposition, decomposition |
01/30/1979 | US4137290 Ion absorbing, reversal of fluid flow |
01/16/1979 | CA1046237A1 Method for lithiating metal chalcogenides and intercalated products thereof |
01/10/1979 | EP0000197A1 Rechargeable non-aqueous cell with a chalcogenide-containing electrode, a method for preparing the chalcogenide compound and a method for the preparation of the cell |
01/02/1979 | CA1045338A1 Monovalent metal salts of dodecametal triaconta carbonyls |
01/02/1979 | CA1045337A1 Divalent metal salts of dodecametal triaconta carbonyls |
01/02/1979 | CA1045336A1 Trivalent metal salts of dodecametal triaconta carbonyls |
12/19/1978 | CA1044471A1 Method and apparatus for recovery of heavy metal ions from dilute aqueous solution |
12/12/1978 | CA1044244A1 Metal halide complexes of 4-cyano-2,2-dimethylbutyraldoxime-n-methylcarbamate |
12/05/1978 | US4127989 Method for separating metal values from brine |
11/14/1978 | US4125687 Rechargeable nonaqueous cell with chalcogenide electrode |
10/24/1978 | CA1040866A1 Refining of chloride salts |
09/26/1978 | US4116783 Method for recovering variable-valency elements and purifying sewage waters |
09/05/1978 | US4111991 Amine halides from a halogen, a hydrazine and an amine |
09/05/1978 | CA1037683A1 Fluosolid reactor for producing metallic sulphates |
08/08/1978 | US4105747 Method for dehydrating metal chlorides |
06/20/1978 | US4096087 Electrochromic and photochromic material and a method of fabrication of said material |
04/04/1978 | US4082833 Carbo-chlorination to produce aluminum chloride and silicon chloride; sulfur or sulfur compound as promoter |
03/14/1978 | US4079124 Method of preparing X-ray contrast media containing ores of hafnium, tantalum and tungsten |
02/21/1978 | US4075029 Inorganic pigment comprising a solid solution of differing spinels |
02/14/1978 | US4073860 Heating, acidity, hydrogen sulfide |
01/03/1978 | US4066783 Insecticidal and acaricidal metal halide complexes of 4-cyano-2,2-dimethylbutyraldoxime-N-methylcarbamate |
01/03/1978 | US4066424 Selectively recovering metal chlorides from gaseous effluent |
11/22/1977 | US4059679 Modified zirconium phosphates |
09/20/1977 | US4049789 Process for preparation of mixed oxide powders |
08/23/1977 | US4043758 Apparatus for the manufacture of metallic chlorides |
08/09/1977 | US4041015 Linear metal polysulfides |
07/19/1977 | US4036776 From multivalent metal chlorides; hydrogen chloride recycle |
07/05/1977 | US4034070 Metal reacted with hydrogen fluoride and halogen in the presence of a nitrile |
07/05/1977 | US4033764 Complexing, inorganic clay minerals, smectites |
06/14/1977 | US4029747 Method of preparing inorganic monomeric and polymeric complexes and products so produced |
05/17/1977 | US4024054 Bubbles formed by cells of living organisms |
05/10/1977 | US4023059 High pressure light emitting electric discharge device |
05/03/1977 | US4021530 Preparation of metal fluorides |
04/19/1977 | US4018875 Ammonium oxalate process |
03/15/1977 | US4012493 Preparation of metal fluorides |
03/08/1977 | US4011289 Surfactants, dispersing, spraying |
03/08/1977 | US4011146 Process for separation and recovery of metal values from sulfide ore concentrates |
03/01/1977 | US4010000 Controlled particle size |
02/15/1977 | US4008134 Extraction and separation of metals from solids using liquid cation exchangers |
12/21/1976 | US3998924 Recovery of non-ferrous metals from acidic liquors with a chelate exchange resin in presence of iron(III) |