| H. C. Starck GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120033350 | CAPACITOR ANODE - A process for producing a solid electrolyte capacitor with an anode comprising a sintered fine NbO | 02-09-2012 |
| 20110067527 | METHOD FOR PRODUCTION OF NIOBIUM AND TANTALUM POWDER - Process for the production of valve metal powders, in particular niobium and tantalum powder, by reduction of corresponding valve metal oxide powders by means of vaporous reducing metals and/or hydrides thereof, preferably in the presence of an inert carrier gas, wherein the reduction is performed at a vapour partial pressure of the reducing metal/metal hydride of 5 to 110 hPa and an overall pressure of less than 1000 hPa, and tantalum powder obtainable in this way having a high stability of the powder agglomerate particles. | 03-24-2011 |
| 20100028678 | VALVE METAL-OXIDE POWDER AND METHOD FOR PRODUCING SAID POWDER - A process for the production of a valve metal oxide powder, in particular an Nb | 02-04-2010 |
| 20100019201 | HYDROTHERMAL PROCESS FOR PRODUCING NANOSIZE TO MICROSIZE PARTICLES - The present invention relates to a process for producing nanosize to microsize particles of compounds of the rare earth metals and other transition metals and also for producing colloid-chemically stable sols of these particles. | 01-28-2010 |
| 20090318710 | PROCESS FOR THE PURIFICATION OF THIOPHENES - The invention relates to a process for the purification of thiophenes by means of precipitation. The purified thiophenes are liquid at room temperature, have a purity of at least 99.50 wt. %, and are represented by the following general formula (I), | 12-24-2009 |
| 20090263646 | DUAL-PHASE HARD MATERIAL, METHOD FOR THE PRODUCTION THEREOF AND ITS USE - The invention relates to a drill bit containing tungsten carbide powder having powder particles which have a core of cast tungsten carbide and a shell of tungsten monocarbide. | 10-22-2009 |
| 20090099361 | NOVEL TANTALUM AND NIOBIUM COMPOUNDS - The present invention relates to specific, novel tantalum and niobium compounds which can serve as starting materials for the preparation of chemical vapour deposition (CVD) precursors. | 04-16-2009 |
| 20080265220 | Process for Producing Capacitors - The invention relates to a process for producing capacitors based on niobium suboxide, and having an insulator layer of niobium pentoxide. Also described is a powder mixture suitable for production of capacitors. Pressed bodies produced from the powder mixture, and capacitors having specific properties are also disclosed. | 10-30-2008 |
| 20080260939 | Sintered bodies based on niobium suboxide - Disclosed are sintered bodies that include: (a) 30 to 100 mol % of NbO | 10-23-2008 |
| 20080216602 | COATING PROCESS FOR MANUFACTURE OR REPROCESSING OF SPUTTER TARGETS AND X-RAY ANODES - Disclosed is a process for the reprocessing or production of a sputter target or an X-ray anode wherein a gas flow forms a gas/powder mixture with a powder of a material chosen from the group consisting of niobium, tantalum, tungsten, molybdenum, titanium, zirconium, mixtures of two or more thereof and alloys thereof with at least two thereof or with other metals, the powder has a particle size of 0.5 to 150 μm, wherein a supersonic speed is imparted to the gas flow and the jet of supersonic speed is directed on to the surface of the object to be reprocessed or produced. | 09-11-2008 |
| 20080212263 | Capacitor - Porous anode bodies suitable for use in solid state capacitors, the porous anode bodies prepared by processes which include providing a niobium suboxide powder comprising niobium suboxide particles having a bulk nitrogen content of 500 to 20,000 ppm, and agglomerating and coalescing the powder; and capacitors incorporating such anode bodies. | 09-04-2008 |
