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Class Information
Number: 502/409
Name: Catalyst, solid sorbent, or support therefor: product or process of making > Solid sorbent > Silicon containing > Quartz
Description: Composition containing crystalline silicon dioxide.

Patents under this class:

Patent Number Title Of Patent Date Issued
8372561 Composite fluid storage unit with internal fluid distribution feature Feb. 12, 2013
7244689 Method of producing alumina-silica catalyst supports Jul. 17, 2007
7220704 Desulfurization and novel compositions for same May. 22, 2007
6679945 Pyrogenically prepared silicon dioxide Jan. 20, 2004
6297187 Catalyst for improving the performance of liquid hydrocarbon fuel Oct. 2, 2001
5719101 Porous granular material obtained from wool scouring liquor, method for the manufacture thereof and applications Feb. 17, 1998
4804422 Method of purifying quartz sand Feb. 14, 1989
RE32503 Silicic acid for the filtration of beverages particularly beer Sep. 15, 1987
4457900 Silicic acid for the filtration of beverages, particularly beer Jul. 3, 1984

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