| CPC B01D 53/0407 (2013.01) [B01D 53/0438 (2013.01); B01D 53/0454 (2013.01); B01J 20/0203 (2013.01); B01J 20/041 (2013.01); B01J 20/08 (2013.01); B01J 20/103 (2013.01); B01J 20/28004 (2013.01); B01J 20/28016 (2013.01); B01D 2253/104 (2013.01); B01D 2253/106 (2013.01); B01D 2253/1122 (2013.01); B01D 2253/1124 (2013.01); B01D 2253/304 (2013.01); B01D 2256/16 (2013.01); B01D 2256/245 (2013.01); B01D 2257/2027 (2013.01); B01D 2257/304 (2013.01); B01D 2257/306 (2013.01); B01D 2257/404 (2013.01); B01D 2259/4533 (2013.01); B01D 2259/4541 (2013.01)] | 16 Claims |

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1. A fluid filter for attachment to a gas or liquid line, such fluid filter comprising a housing packed with a filtering medium composition of granular particles ranging in size from about 15 mm to about 0.001 mm and consisting of a homogeneous composition of oxides of aluminum, antimony, barium, beryllium, bismuth, boron, cadmium, calcium, cerium, cesium, chromium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, germanium, hafnium, holmium, indium, iron, lanthanum, lead, lithium, lutetium, magnesium, manganese, molybdenum, neodymium, nickel, praseodymium, rhenium, rhodium, samarium, silicon, silver, strontium, titanium, vanadium, ytterbium, yttrium, zinc and zirconium, further comprising elemental gold, palladium, and platinum collectively comprising between 0.000001% and 0.002% of the filtering medium composition.
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