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Class Information
Number: 502/412
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Silicon containing > Diatomaceous earth
Description: Composition wherein the silicon containing material is a diatomaceous earth.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8685351 Pollutant emission control sorbents and methods of manufacture and use Apr. 1, 2014
8648008 Arsenic adsorbing composition and methods of use Feb. 11, 2014
8435922 Arsenic adsorbing composition and methods of use May. 7, 2013
RE44124 Regenerable high capacity sorbent for removal of mercury from flue gas Apr. 2, 2013
8410017 Filter aids made from low permeability diatomites Apr. 2, 2013
8366940 Zero valent metal composite, manufacturing, system and method using thereof, for catalytically treating contaminated water Feb. 5, 2013
8242050 Composite filter aids having novel pore size characteristics Aug. 14, 2012
8236196 Systems and methods for facilitating hydrogen storage using naturally occurring nanostructure assemblies Aug. 7, 2012
8197786 Porous carbon material and method of manufacturing the same Jun. 12, 2012
8110526 Arsenic absorbing composition and methods of use Feb. 7, 2012
8084392 Crystalline silica-free diatomaceous earth filter aids and methods of manufacturing the same Dec. 27, 2011
8039653 Methods and apparatus for removal of degradation byproducts and contaminants from oil for use in preparation of biodiesel Oct. 18, 2011
7932209 Solid matter A, liquid matter B produced by using the A, liquid heating matter produced by using the B and method for producing the heating matter Apr. 26, 2011
7767621 Processes for reducing beer soluble iron in diatomaceous earth products, diatomaceous earth products and compositions thereof, and methods of use Aug. 3, 2010
7666814 Soil conditioner Feb. 23, 2010
7371707 Desulfurization sorbent May. 13, 2008
7288499 Regenerable high capacity sorbent for removal of mercury from flue gas Oct. 30, 2007
7220704 Desulfurization and novel compositions for same May. 22, 2007
6995246 Methods for removing suspended particles from soluble protein solutions Feb. 7, 2006
6890878 Catalyst formulation comprising ceramic foam material May. 10, 2005
6878669 Desulfurization and sorbent Apr. 12, 2005
6653255 Highly purified biogenic silica product Nov. 25, 2003
6432872 Composition for use in adsorption treatment, products formed with the same, and a method for producing adsorbent using the same Aug. 13, 2002
6383981 Adsorbent for the removal of trace quantities from a hydrocarbon stream and process for its use May. 7, 2002
6312604 Lanthanide halide water treatment compositions and methods Nov. 6, 2001
6150300 Process to produce sorbents Nov. 21, 2000
5958830 Sorbent compositions Sep. 28, 1999
5925309 Method for the extrusion of ceramic filter media Jul. 20, 1999
5814209 Method for ecological utilization of acid effluents of fuller's earth Sep. 29, 1998
5801051 Method and apparatus for cleaning a filter aid Sep. 1, 1998
5710090 Controlledly permeable/cristobalite-free diatomaceous filtering agents Jan. 20, 1998
5683953 Composition for the treatment of swimming pool water Nov. 4, 1997
5656568 Highly purified biogenic silica product Aug. 12, 1997
5625054 DNA purification by solid phase extraction using fluorinated celite Apr. 29, 1997
5510310 Floor dry material and method of manufacture Apr. 23, 1996
5492881 Sorbent system Feb. 20, 1996
5438129 DNA purification by solid phase extraction using partially fluorinated aluminum hydroxide adsorbant Aug. 1, 1995
5350728 Method of preparing a solid mass for mercury recovery Sep. 27, 1994
5302570 Environmental product capable of absorbing oil from the surface of water, and process Apr. 12, 1994
5266547 Diatomaceous earth containing adsorbent, method for making, and methods of use thereof Nov. 30, 1993
5179062 Process for the production of highly permeable calcined diatomites with low cristobalite content and resultant calcined diatomaceous filtration agents Jan. 12, 1993
5118655 Water contaminant adsorption composition Jun. 2, 1992
5091358 Regenerable CO.sub.2 /H.sub.2 O solid sorbent Feb. 25, 1992
4980334 Macroporous alumina/diatomaceous earth bio-supports Dec. 25, 1990
4797227 Process and composition for purifying hydrogen selenide and hydrogen telluride, to remove moisture and oxidant impurities therefrom Jan. 10, 1989
4535072 Absorbent for treating gases containing the materials used for semiconductor products and process of treating such gases with the same Aug. 13, 1985
4440867 Calcined, high surface area, particulate matter, processes using this matter, and admixtures with other agents Apr. 3, 1984
4325844 Method of preparing diatomite for rapid calcination Apr. 20, 1982
4192773 Oxygen absorbent Mar. 11, 1980
4187174 Diatomaceous earth filteraid and method for its manufacture Feb. 5, 1980

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