| Patents for C01B 19 - Selenium; Tellurium; Compounds thereof (2,563) |
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| 04/13/1993 | US5202201 Solid phase |
| 04/13/1993 | US5201985 Method and apparatus for the purification and control of the composition of non-stoichiometric and stoichiometric crystalline compounds |
| 03/04/1993 | WO1993004212A1 Preparation of group iii element-group vi element compound films |
| 02/09/1993 | US5185036 Using cyclodextrins as solubilizers, adjusting pH; coatings for metal surfaces |
| 02/03/1993 | EP0525890A1 Method for solubilizing tellurium using organic acids |
| 02/01/1993 | CA2074916A1 Method for solubilizing tellurium using organic acids |
| 01/20/1993 | EP0523842A1 Apparatus for production of sparingly water-soluble salt crystal grains |
| 12/30/1992 | EP0520562A1 Soluble tellurium compositions |
| 12/28/1992 | CA2071710A1 Soluble tellurium compositions |
| 11/03/1992 | US5160588 Process for recovering tellurium from copper electrolysis slime |
| 10/20/1992 | US5157174 Ternary molybdenum chalcogenide oxychlorination catalysts |
| 10/20/1992 | US5156827 Apparatus, process, and composition for in-situ generation of polyhydridic compounds of group iv-vi elements |
| 10/14/1992 | CN1018640B Process for the preparation of compounds for the induction of in vivo and in vitro production of cytokines |
| 10/06/1992 | US5152229 Zinc sulfide or selenosulfide material |
| 09/29/1992 | US5151395 Bulk gas sorption and apparatus, gas containment/treatment system comprising same, and sorbent composition therefor |
| 09/17/1992 | WO1992015731A1 Method and apparatus for the purification and control of the composition of non-stoichiometric and stoichiometric crystalline compounds |
| 07/21/1992 | CA1305516C Non-aqueous cell comprising niobium triselenide |
| 07/07/1992 | US5128303 Group 1A-titanium-metal oxides, catalysts and supports |
| 05/27/1992 | CN1016773B Layered silicates and their synthesis |
| 05/27/1992 | CN1016772B Layered metal oxides containing interlayer oxides and their synthesis |
| 05/27/1992 | CN1016771B Layered metal chalcogenides containing interspathic polymeric chalcogenides |
| 05/20/1992 | EP0485658A1 Method for purifying gaseous hydrides |
| 05/20/1992 | CN1016677B Method for preparation of layered metal oxides containing interlayer oxides |
| 05/13/1992 | CN1061044A Reclaiming au, pt, pd and te from copper anode mud |
| 04/08/1992 | EP0479644A1 Catalysts containing copper-molybdenum ternary chalcogenides and use thereof in the oxychlorination of hydrocarbons |
| 04/03/1992 | CA2052528A1 Oxichlorination catalysts with molybdenum ternary chalcogenides |
| 03/18/1992 | EP0475081A1 Alloying process |
| 03/18/1992 | EP0193616B1 Amorphous alloy and process for its production |
| 01/28/1992 | US5084301 Alloying and coating process |
| 01/14/1992 | US5080718 Inorganic pigments of the empirical formula Ax By Cz |
| 01/08/1992 | EP0464743A1 Process for controlling alloy fractionation |
| 12/24/1991 | US5075500 Synthesis of diorgano tellurides |
| 12/24/1991 | US5075191 Heating selenium alloy, vacuum deposition |
| 12/04/1991 | CN1014975B Layered oxides containing interlayer polymeric oxides and their syntesis |
| 10/30/1991 | EP0263141B1 Method for depositing materials containing tellurium |
| 10/09/1991 | CN1014233B Oligomerization of olefins |
| 09/24/1991 | US5051204 Multi-element metal chalocogenide |
| 09/19/1991 | WO1991013679A1 Bulk gas sorption composition and apparatus |
| 08/27/1991 | US5043476 Diallyl telluride |
| 08/20/1991 | US5041347 Lithium anode, electrolyte and cathode (molybdenum, filler metal, chalcogen, and concentration of lithium from zero up, dependent on charge of cell); uniform voltage discharge |
| 08/13/1991 | CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 08/13/1991 | CA1287611C Layered metal oxides containing interlayer oxides and their synthesis |
| 08/06/1991 | CA1287285C Method for flocculating suspensions containing swelled layered chalcogenide |
| 07/30/1991 | US5035874 Diallyl telluride and synthesis of diorgano tellurides |
| 07/30/1991 | US5035857 Processes for preparing chalcogenide alloys |
| 05/28/1991 | US5019364 Method for purifying gaseous hydrides |
| 05/14/1991 | US5015360 Catalytic hydrocracking with chromium, tungsten, iron cobalt and nickel on silicates or silica |
| 05/07/1991 | US5013337 Process for separating a mixture of molecular species using crystalline microporous metal sulfide compositions |
| 05/03/1991 | CA2002154A1 Tellurium recovery |
| 04/30/1991 | CA1283647C Layered silicates and their synthesis |
| 04/30/1991 | CA1283646C Layered metal oxides containing interlayer oxides and their synthesis |
| 04/24/1991 | EP0424126A1 Zinc selenide based pigment material |
| 04/23/1991 | US5009786 Selenate removal from waste water |
| 04/21/1991 | CA2028027A1 Material |
| 03/26/1991 | US5002734 Processes for preparing chalcogenide alloys |
| 03/05/1991 | US4997624 Contact material for vacuum switches and process for manufacturing same |
| 02/26/1991 | US4996108 Sheets of transition metal dichalcogenides |
| 02/13/1991 | EP0412362A2 Optical recording medium |
| 01/29/1991 | US4988587 Niobium selenide in nonaqueous lithium cells |
| 12/25/1990 | US4980333 Perovskite-related layered oxides containing interspathic polymeric oxide |
| 12/11/1990 | US4976942 Removal of oxygen impurity by using nickel arsenide, phosphide, boride or selenide |
| 12/05/1990 | EP0400823A2 Method of separating a mixed hydrogen/hydrogen selenide vapor stream |
| 10/04/1990 | WO1990011246A1 Apparatus, process, and composition for in-situ generation of polyhydridic compounds of group iv-vi elements |
| 10/02/1990 | CA1274925A1 Removing selenium from water |
| 09/18/1990 | US4957513 Polysulfone semipermeable membranes |
| 08/29/1990 | EP0384760A2 Improved inorganic pigments and their preparation |
| 08/29/1990 | EP0272306B1 Oligomerization of olefins |
| 08/29/1990 | EP0271563B1 Layered silicates and their synthesis |
| 08/29/1990 | EP0270659B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 08/23/1990 | CA2007949A1 Inorganic pigments and process for their preparation |
| 08/22/1990 | EP0383445A1 Processes for preparing chalcogenide alloys |
| 08/16/1990 | EP0382339A1 Sheets of transition metal dichalcogenides |
| 06/27/1990 | EP0375254A2 Rechargeable non-aqueous cell |
| 06/20/1990 | EP0373180A1 Process for increasing the density and improving the homogeneity of chevrel phase powders and chevrel phase wire obtained using said process |
| 06/12/1990 | US4933068 Hydrocarbon conversion process using crystalline microporous metal sulfide compositions |
| 06/06/1990 | EP0371780A1 Multi-element metal chalcogenide |
| 06/05/1990 | CA1270001A1 Oligomerization of olefins |
| 05/23/1990 | EP0368860A1 Contact material for vacuum switches and process for manufacturing same |
| 05/17/1990 | WO1990005387A1 Composite element comprising a titanium chalcogen or oxychalcogen layer, suitable in particular for use as a positive electrode in a thin-layer fuel cell |
| 05/16/1990 | EP0368448A2 Non-aqueous cell comprising niobium chalcogenide |
| 04/17/1990 | US4917871 Chevrel-phase syntheses and electrochemical cells |
| 04/11/1990 | EP0271575B1 Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 04/04/1990 | EP0361386A2 Method for purifying gaseous hydrides |
| 03/27/1990 | US4911905 Method of forming stoichiometric II-VI compounds of high purity |
| 03/21/1990 | EP0295269B1 Layered metal oxides containing interlayer oxides and their synthesis |
| 03/20/1990 | US4910010 Anaerobic process; filtering through absorption bed; adding Clostridium bacteria |
| 03/20/1990 | CA1266844A1 Process for hydrotreating residual petroleum oil |
| 02/27/1990 | US4904559 Processes for suppressing the fractionation of chalcogenide alloys |
| 02/01/1990 | DE3826281A1 Transition metal chalcogenide of the composition MX2, process for the preparation of MX2 material and use thereof |
| 01/09/1990 | US4892795 Non-aqueous cell comprising niobium triselenide |
| 12/28/1989 | WO1989012700A1 Recovery of high purity selenium from ores, scrubber sludges, anode slime deposits and scrap |
| 12/12/1989 | CA1263805A1 Process for recovering or purifying selenium |
| 11/14/1989 | US4880761 Amine templating agent, germanium or tin sulfides, selenides |
| 10/18/1989 | EP0337683A2 Control of selenium alloy fractionation |
| 09/26/1989 | US4869893 Preparation of high purity compounds of sulfur, selenium, and tellurium |
| 09/20/1989 | EP0333513A1 Oxide superconductor |
| 09/05/1989 | US4863508 Process for the preparation of chalcogenide alloys by the solution oxidation of alkaline selenium and alkaline tellurium compounds |
| 08/22/1989 | US4859648 Layered metal chalcogenides containing interspathic polymeric chalcogenides |
| 08/22/1989 | US4859411 Control of selenium alloy fractionation |
| 08/03/1989 | DE3802236A1 Mixture of material for producing a metal chalcogenide and use of such a mixture |