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01/17/08 - USPTO Class 075 |  47 views | #20080011124 | Prev - Next | About this Page  075 rss/xml feed  monitor keywords

Deoxidation of valve metal powders

USPTO Application #: 20080011124
Title: Deoxidation of valve metal powders
Abstract: Deoxidation of valve metal powders, in particular of niobium powders, tantalum powders or their alloys, by treating the valve metal powder with calcium, barium, lanthanum, yttrium or cerium as deoxidising agent, and valve metal powders that are distinguished by a ratio of the sum of the contents of sodium, potassium and magnesium to the capacitance of less than 3 ppm/10,000 μFV/g.
(end of abstract)
Agent: Connolly Bove Lodge & Hutz, LLP - Wilmington, DE, US
Inventors: Josua Loffelholz, Ulrich Bartmann
USPTO Applicaton #: 20080011124 - Class: 075245000 (USPTO)

Related Patent Categories: Specialized Metallurgical Processes, Compositions For Use Therein, Consolidated Metal Powder Compositions, And Loose Metal Particulate Mixtures, Compositions, Consolidated Metal Powder Compositions, Base Metal One Or More Transition Metal

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