http://www.freshpatents.com/Specialized-metallurgical-processes-compositions-for-use-therein-consolidated-metal-powder-compositions-and-loose-metal-particulate-mixtures-dtnewntc075.php USPTO Class 075 - Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures en-us Wed, 23 Apr 2008 12:41:22 -0700 1000 Wednesday Thursday Friday Saturday Sunday 141 31 http://www.freshpatents.com/index.php?rss=true http://www.freshpatents.com/images/freshpatentsnav_rss.gif http://www.freshpatents.com/Microwave-heating-method-and-apparatus-for-iron-oxide-reduction-dt20080417ptan20080087135.php Wed, 23 Apr 2008 12:41:22 -0700 A method and apparatus for reducing iron oxides using microwave heating in a furnace chamber which is sealed against the entrance of air reduces the energy required and produces a low temperature reduction and allows the recovery of combustible synthetic gas as a byproduct of the process. Avoidance of the... http://www.freshpatents.com/Ferrosilicate-proppant-and-granule-composition-dt20080417ptan20080087136.php Wed, 23 Apr 2008 12:41:22 -0700 There is provided a process for the thermal conversion of non-ferrous smelting slag to granular products having sufficient strength and other useful characteristics for use as proppant, gravel pack, roofing granules and abrasive blast materials. Non-ferrous smelting slag is treated with silica, alumina, calcia and magnesia and then heated for... http://www.freshpatents.com/Method-for-manufacturing-metal-nanoparticles-dt20080417ptan20080087137.php Wed, 23 Apr 2008 12:41:22 -0700 The present invention relates to a method for manufacturing metal nanoparticles, more particularly to a method for manufacturing metal nanoparticles, which includes: preparing a mixed solution including capping molecules, a metal catalyst, a reducing agent, and an organic solvent; adding a metal precursor to the mixed solution and raising to... http://www.freshpatents.com/Production-of-valve-metal-powders-dt20080417ptan20080087138.php Wed, 23 Apr 2008 12:41:22 -0700 The invention relates to the production of valve metal powders, in particular, tantalum powders by reduction of a corresponding valve metal compound, for example, K2TaF7, with an alkali metal in the presence of a diluent salt, whereby the reduction is carried out in the presence of a particle diminution agent,...