| Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563) |
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| 11/06/1985 | EP0160493A2 Process for the preparation of chacogens and chalcogenide alloys of controlled average crystallite size |
| 11/06/1985 | EP0078830B1 Method of growing crystalline cadmium mercury telluride and crystalline cadmium mercury telluride grown by the method |
| 11/05/1985 | US4551196 Method of growing crystalline cadmium mercury telluride and crystalline cadmium mercury telluride grown by the method |
| 10/22/1985 | US4548800 Reacting selenic acid or selenium oxide with alcohol, then reduction |
| 10/09/1985 | EP0157514A2 Reclamation of high purity selenium |
| 10/08/1985 | US4545973 Molybdenum or tungsten compounds, high temperature lubricants |
| 10/01/1985 | US4544541 Removal of hexavalent selenium from nickel, cobalt or copper sulfate solution |
| 08/27/1985 | CA1192390A1 Process for making photoreceptors |
| 08/20/1985 | US4536383 Oxidation of selenium powder with hydrogen peroxide to give selenic acid, neutralization with alkali metal hydroxide or carbonate |
| 07/23/1985 | US4530718 Process for reclamation of high purity selenium from scrap alloys |
| 07/17/1985 | EP0148656A1 New mixed oxides for tunable lasers |
| 07/02/1985 | CA1189844A1 Process for improving activity of tellurium containing metal oxide catalysts |
| 06/26/1985 | EP0145870A1 Processing for preparing alkalimetal selenate |
| 05/08/1985 | EP0140625A1 Tellurides |
| 04/09/1985 | US4509997 Organometallic chemical vapor deposition of films utilizing organic heterocyclic compounds |
| 03/27/1985 | EP0134947A1 Method and apparatus for improved gettering for reactant gases |
| 03/05/1985 | CA1183329A1 Process for reclaimation of high purity selenium, tellurium, and arsenic from scrap alloys |
| 02/05/1985 | US4497659 Precipitation using chromous sulfate |
| 01/29/1985 | CA1181557A1 Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality |
| 12/19/1984 | EP0128262A1 Complex metal chalcogenides |
| 12/05/1984 | EP0127357A2 Oxidation process |
| 11/27/1984 | US4484945 Process for preparation of chalcogenide alloys by solution coreduction of a mixture of oxides |
| 11/20/1984 | CA1178027A1 Process for selenium purification |
| 10/23/1984 | CA1176432A1 Process for preparation of high purity tellurium |
| 09/25/1984 | US4473396 Procedure for roasting seleniferous material |
| 09/25/1984 | CA1174860A1 Method of recovering gold from anode slimes |
| 08/15/1984 | EP0115715A1 Process for elaborating ternary or quaternary semiconductor compounds |
| 08/14/1984 | US4465546 Selenides, tellurides, arsenides, phosphides |
| 08/14/1984 | US4465527 Method for producing a group IIB-VIB compound semiconductor crystal |
| 07/31/1984 | US4462975 Fluorination of the corresponding cesium compound with fluorine fluorosulfate |
| 07/17/1984 | US4460408 Process for preparation of chalcogenide alloys by coreduction of esters |
| 07/05/1984 | WO1984002513A1 A method for producing selenium salts |
| 07/03/1984 | CA1170210A1 Process for removing dissolved selenium values from an acidic aqueous copper sulphate solution |
| 06/27/1984 | EP0112310A1 Process for preparing selenium salts |
| 06/05/1984 | CA1168560A1 Heat treatment of cadmium mercury telluride |
| 04/25/1984 | EP0106537A2 Organometallic chemical vapour deposition of films |
| 03/21/1984 | EP0103383A1 Process for selenium purification |
| 03/14/1984 | EP0102754A1 Process for reclamation of high purity selenium, tellurium, and arsenic from scrap alloys |
| 03/14/1984 | EP0102753A1 Process for preparation of high purity tellurium |
| 03/07/1984 | EP0102130A1 Method of growing monocrystalline bodies of volatile compounds |
| 03/06/1984 | US4435224 Process for preparing homogeneous layers of composition Hg1-x Cdx |
| 02/22/1984 | EP0101238A2 Process for preparation of chalcogenide alloys by coreduction of esters |
| 02/01/1984 | EP0099860A2 Method for the thermal treatment of semiconductor powders |
| 11/29/1983 | US4418096 Process for preparing layers of Hg1-x Cdx Te |
| 11/15/1983 | US4415545 Crystallization of silicon, a metal or intermetallic by desolventizing with an etching gas |
| 11/08/1983 | US4414179 Process for making photoreceptors |
| 10/25/1983 | US4411698 Acidification, reaction with alcohol to form metallic compounds, then reduction |
| 10/11/1983 | CA1155084A1 Process for the recovery of metal values from anode slimes |
| 10/04/1983 | CA1154599A1 Hydrometallurgical processing of precious metal-containing materials |
| 08/16/1983 | US4399203 Sulfide and selenide compositions |
| 06/28/1983 | US4390514 Method of preparing chalocogenides of group VIII by low temperature precipitation from nonaqueous solution, the products produced by said method and their use as catalysts |
| 06/21/1983 | US4389389 Process for preparation of high purity tellurium |
| 06/21/1983 | US4389248 Method of recovering gold from anode slimes |
| 06/15/1983 | EP0081350A1 Process for making photoreceptors |
| 05/24/1983 | CA1146723A1 Removal of selenium from acidic copper/nickel solutions |
| 05/18/1983 | EP0078830A1 Method of growing crystalline cadmium mercury telluride and crystalline cadmium mercury telluride grown by the method. |
| 04/12/1983 | US4379821 Electrophotographic recording material with As2 Se3-x Tex charge generating layer |
| 03/22/1983 | US4377556 Process for removing dissolved selenium values from an acidic aqueous copper sulphate solution |
| 03/08/1983 | CA1142471A1 Method of use of group ivb to group viii chalcogenides as catalysts |
| 03/03/1983 | WO1983000686A1 Low temperature catalytic reduction |
| 02/22/1983 | US4374917 Infrared photoconductor for electrophotography of a copper activated mercury containing cadmium selenide telluride |
| 02/22/1983 | US4374808 Removal of selenium from acidic copper/nickel solutions |
| 02/22/1983 | US4374758 Preparation of stable tellurium-containing solution from metallic tellurium and process for producing tellurium-antimony containing oxide catalyst using said solution |
| 02/22/1983 | US4374684 Heat treatment of cadmium mercury telluride |
| 02/01/1983 | CA1140582A1 Process for separating selenium, selenium compounds, sulfur and/or sulfur compounds from polyurethanes containing these elements and/or compounds |
| 01/11/1983 | US4368115 Hydrogenation of hydrocarbon feedstock |
| 01/11/1983 | CA1139258A1 Removal of selenium from acidic copper sulphate solutions |
| 12/14/1982 | CA1137275A1 Chalcogenides of groups viii and viib |
| 11/25/1982 | WO1982004073A1 Method of growing crystalline cadmium mercury telluride and crystalline cadmium mercury telluride grown by the method |
| 11/09/1982 | US4358430 Converting to water-soluble form |
| 09/22/1982 | EP0060744A1 Method of preparing Hg1-x Cdx Te crystals |
| 08/17/1982 | US4344476 Supercool method for producing single crystal mercury cadmium telluride |
| 05/18/1982 | US4330508 Removal of selenium (IV) and (VI) from acidic copper sulphate solutions |
| 04/13/1982 | US4324586 Evaporation in non-reducing atmosphere |
| 04/07/1982 | EP0049169A2 Hydrometallurgical processing of precious metal-containing materials |
| 04/06/1982 | US4323480 Method of preparing di and poly chalcogenides of group IVb, Vb, molybdenum and tungsten transition metals by low temperature precipitation from non-aqueous solution and the product obtained by said method |
| 04/06/1982 | CA1121203A1 Imaging system containing trigonal selenium and a group ia hydroxide, carbonate, bicarbonate, acetate or selenite |
| 02/02/1982 | CA1117278A1 Process for treatment of selenium-bearing materials |
| 01/12/1982 | CA1115961A1 Pelletizing sulfation of anode slimes |
| 12/29/1981 | US4308171 Method of preparing di and poly chalcogenides of group VIIb by low temperature precipitation from nonaqueous solution and small crystallite size stoichiometric layered dichalcogenides of rhenium and technetium |
| 11/10/1981 | US4299892 Amorphous and sheet dichalcogenides of Group IVb, Vb, molybdenum and tungsten |
| 11/10/1981 | US4299810 Leaching with sulfuric acid |
| 10/20/1981 | US4295986 Low temperature catalytic reduction |
| 10/20/1981 | CA1110827A2 Removal of selenium from urethane solutions |
| 10/13/1981 | CA1110421A1 Cadmium mercury telluride sputtering targets |
| 10/06/1981 | US4293332 Hydrometallurgical process for recovering precious metals from anode slime |
| 09/08/1981 | US4288423 Method of recovering metallic tellurium |
| 09/08/1981 | US4288422 Method of preparing chalcogenides of group VIII by low temperature precipitation from monaqueous solution, the products produced by said method and their use as catalysts |
| 09/02/1981 | EP0034982A1 Process for preparing homogeneous films of Hg1-xCdxTe |
| 06/23/1981 | CA1103424A1 Chalcogenides and method of preparation |
| 06/09/1981 | US4272493 To solubilize copper, selenium and tellurium |
| 05/05/1981 | US4265661 And phosphides, hollow container of encapsulant for reactants |
| 05/05/1981 | CA1100285A1 Removal of selenium from urethane solutions |
| 03/31/1981 | US4259511 Treatment with aqueous permanganate solution |
| 03/03/1981 | CA1096588A1 Recovery of selenium |
| 01/20/1981 | CA1094011A1 Dichromate leach of copper anode slimes |
| 01/13/1981 | US4244936 Recovery of tellurium from acidic sulfonated ion exchange resins by acid elution |
| 01/07/1981 | EP0021744A1 Process for the recovery of selenium |
| 01/07/1981 | EP0020826A1 A hydrometallurgical process for recovering precious metals from anode slime |
| 12/30/1980 | US4242374 Process for thin film deposition of metal and mixed metal chalcogenides displaying semi-conductor properties |