| Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563) |
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| 07/27/1989 | WO1989006864A1 Process for increasing the density and improving the homogeneity of chevrel phase powders and chevrel phase wire obtained using said process |
| 05/30/1989 | CA1254718A1 Purification of cd and te by zone refining |
| 05/16/1989 | US4831006 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalcogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed |
| 05/16/1989 | US4831005 Water, hydrocarbon absorber |
| 05/09/1989 | US4828938 Vapor deposition, semiconductor thin films |
| 05/09/1989 | CA1253837A1 Layered oxides containing interlayer polymeric oxides and their synthesis |
| 04/18/1989 | US4822712 Reduction of selenium alloy fractionation |
| 04/18/1989 | US4822590 Forms of transition metal dichalcogenides |
| 02/28/1989 | CA1250407A1 Selenium recovery |
| 02/21/1989 | US4806264 Contacting at ph 8 to 10 with amount of ferrous ions to reduce to elemental selenium |
| 02/09/1989 | WO1989001231A1 Contact material for vacuum switches and process for manufacturing same |
| 01/31/1989 | US4801442 Deoxygenation with aluminum or magnesium in sealed ampule |
| 01/31/1989 | US4801441 From metal halide and a disilathiane or disilaselenane |
| 12/21/1988 | EP0295269A1 Layered metal oxides containing interlayer oxides and their synthesis. |
| 12/06/1988 | US4789500 Optical control element |
| 11/29/1988 | US4788095 Metal oxide magnetic substance and a magnetic film consisting thereof and their uses |
| 11/02/1988 | EP0288638A1 Method for flocculating suspensions containing swelled layered chalcogenide |
| 10/25/1988 | US4780386 Selenium alloy treatment |
| 10/12/1988 | EP0285834A1 Allyltellurides and their use in the MOCVD growth of group II-VI epitaxial films |
| 09/13/1988 | US4770700 Hydrometallurgical process for the separation and enrichment of gold, platinum, and palladium, together with recovery of selenium from the anode sludge of copper electrolysis |
| 08/17/1988 | EP0278629A1 Amorphous materials |
| 08/02/1988 | US4761490 Organic derivatives of tellurium and selenium and their use to stimulate cytokine production |
| 07/25/1988 | EP0271575A4 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis. |
| 07/21/1988 | EP0295269A4 Layered metal oxides containing interlayer oxides and their synthesis. |
| 07/21/1988 | EP0272306A4 Oligomerization of olefins. |
| 07/21/1988 | EP0271563A4 Layered silicates and their synthesis. |
| 07/21/1988 | EP0270659A4 Layered metal oxides containing interlayer oxides and their synthesis. |
| 06/29/1988 | EP0272306A1 Oligomerization of olefins. |
| 06/22/1988 | EP0271575A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis. |
| 06/22/1988 | EP0271563A1 Layered silicates and their synthesis. |
| 06/15/1988 | EP0270669A1 Preparation of high surface area amorphous transition metal chalcogenides and batteries using said chalcogenides as cathodes |
| 06/15/1988 | EP0270659A1 Layered metal oxides containing interlayer oxides and their synthesis. |
| 06/01/1988 | EP0269385A2 Process for manufacture of composite oxide |
| 05/17/1988 | US4745090 Radiation transparent |
| 05/03/1988 | CA1235891A1 Process for preparation of chalcogenide alloys by coreduction of esters |
| 04/20/1988 | EP0263910A1 Hydrometallurgical process for separating and concentrating gold, platinum and palladium, as well as recovering selenium from electrolytic copper refinery slimes and similar non-metallic materials |
| 04/13/1988 | EP0263141A1 Method for depositing materials containing tellurium. |
| 03/23/1988 | CN87105159A Oligomerization of olefins |
| 03/22/1988 | CA1234289A1 Recovery of platinum group metals from nickel-copper- iron matte |
| 03/09/1988 | CN87105160A Layered metal oxides containing interlayer oxides and their synthesis |
| 03/09/1988 | CN87105158A Layered metal chalcogenides containing interspathic polymeric chalcogenides |
| 03/01/1988 | US4728439 Ion exchange |
| 02/24/1988 | CN87105161A Layered metal oxides containing interlayer oxides and their synthesis |
| 02/17/1988 | CN87105162A Layered silicates and their synthesis |
| 02/16/1988 | US4725357 Microbial digestion, reduction of hexavalent selenates, entrainment, volatilization |
| 01/19/1988 | US4720373 Solids refining apparatus |
| 01/14/1988 | WO1988000176A1 Oligomerization of olefins |
| 01/14/1988 | WO1988000172A1 Preparation of high surface area amorphous transition metal chalcogenides and batteries using said chalcogenides as cathodes |
| 01/14/1988 | WO1988000093A1 Layered metal oxides containing interlayer oxides and their synthesis |
| 01/14/1988 | WO1988000092A1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 01/14/1988 | WO1988000091A1 Layered silicates and their synthesis |
| 01/14/1988 | WO1988000090A1 Layered metal oxides containing interlayer oxides and their synthesis |
| 12/29/1987 | CA1230734A1 Process for reclamation of high purity selenium from scrap alloys |
| 11/24/1987 | US4709071 Heating with tellurium, tellurium or molybdenum compound |
| 11/24/1987 | US4709070 Process for improving activity of tellurium containing metal oxide catalysts |
| 11/19/1987 | EP0245670A2 Transition metal dichalcogenide compounds |
| 11/17/1987 | US4707198 Amorphous alloy and production method thereof |
| 10/22/1987 | WO1987006275A1 Method for depositing materials containing tellurium |
| 09/22/1987 | US4695447 Destruction of inorganic hazardous wastes |
| 09/09/1987 | EP0236193A1 Glasses based on tellurium halogenide, their preparation and their use, especially in the fields of optoelectronics and infrared transmission |
| 09/01/1987 | US4690725 Purification of Cd and Te by zone refining |
| 08/18/1987 | US4687559 Extraction using alkali cyanide and carbonate solution |
| 07/22/1987 | EP0229145A1 Removing selenium from water |
| 07/14/1987 | CA1224008A1 Process for preparing selenium salts |
| 06/30/1987 | US4676969 Method of synthesis of inorganic chalcogenides |
| 06/23/1987 | US4675171 Oxidizing bismuth in sealed vessel |
| 06/23/1987 | US4675088 Fluorocarbons containing oxypentafluorotellurium group |
| 06/16/1987 | EP0225686A1 Process for hydrotreating residual petroleum oil |
| 05/05/1987 | US4663141 Process for recovering or purifying selenium |
| 05/05/1987 | US4662980 Process for preparing crystals of Hg1-x Cdx Te |
| 03/03/1987 | US4647386 Intercalated transition metal based solid lubricating composition and method of so forming |
| 02/24/1987 | US4645619 Reducing a polymer solution of an selenium and tellurium ester |
| 01/27/1987 | CA1217117A1 Process for producing ternary or quaternary semiconductor compounds |
| 01/15/1987 | WO1987000161A1 Removing selenium from water |
| 01/06/1987 | US4634630 Tellurium oxide whiskers and a method of producing the same |
| 12/30/1986 | EP0205711A2 Layered oxides containing interlayer polymeric oxides and their synthesis |
| 12/24/1986 | CN86101696A Process for the preparation of compounds for the induction of in vivo and in vitro production of cytokines |
| 12/02/1986 | US4627064 Mixed oxides for tunable lasers |
| 11/25/1986 | US4624701 Coreduction process for incorporation of halogens into chalcogens and chalcogenide alloys |
| 10/21/1986 | US4618593 Impregnation with tellurium containing solution |
| 10/21/1986 | CA1212873A1 Organometallic chemical vapour deposition of films |
| 10/08/1986 | CN85109723A Layered oxides containing interlayer polymeric oxides and their syntesis |
| 10/07/1986 | US4615731 Hydrometallurgical processing of precious metal-containing materials |
| 09/17/1986 | EP0194393A2 Compounds for the induction of in vivo and in vitro production of cytokines |
| 09/10/1986 | EP0193616A1 Amorphous alloy and process for its production |
| 08/26/1986 | CA1210218A1 Complex metal chalocogenides |
| 08/12/1986 | US4605544 Dissolving selenium in nitric acid, reacting with alkali metal base, oxidizing; |
| 08/05/1986 | CA1208882A1 Process for producing alkali-metal selenate |
| 07/30/1986 | CN85101849A Method for preparing high purity compounds of group 2-6 elements |
| 07/29/1986 | CA1208415A1 Process for roasting seleniferous material |
| 07/15/1986 | US4600503 Group 6 metal or group 8 metal hydrogenation catalyst |
| 07/02/1986 | EP0186213A2 Method for synthesizing compound semiconductor polycrystals and apparatus therefor |
| 06/10/1986 | US4594232 Process for preparing pentafluorotellurium hypofluorite |
| 04/22/1986 | US4584054 Solids refining process |
| 03/27/1986 | WO1986001835A1 Amorphous alloy and process for its production |
| 03/18/1986 | US4576634 Process for the preparation of chalcogenide alloys |
| 02/18/1986 | US4571262 Leaching, separation of solids, pressurized leacching, electrowinning of copper, and separation |
| 01/14/1986 | US4564509 Method and apparatus for improved gettering for reactant gases |
| 01/14/1986 | US4564415 Process for producing ternary or quaternary semiconductor compounds |
| 12/10/1985 | US4557922 Reducing selenium and tellurium esters; high purity |