Patent ID: 8932549
Filing Date: 2015-01-13
Classification: A23L,B01J,B82Y,C01B,C01P,C08K

Abstract:
1. A composition comprising a compound having the following formula: (SiO 2 ) x (OH) y M z O a F.B, wherein: (i) M comprises at least one of the following metals: boron, magnesium, aluminum, calcium, titanium, vanadium, manganese, iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, palladium, silver, cadmium, tin, platinum, gold, and bismuth; (ii) F is an optional component and comprises at least one of the following: a functionalized organosilane, a sulfur-containing organosilane, an amine-containing organosilane; (iii) B is a hygroscopic solid selected from the group consisting of alkali oxides, alkaline earth oxides, lanthanide oxides, and combinations thereof; wherein F is an alkyl-containing organosilane at a surface area coverage of about 0.01 to about 100%; the molar ratio of y/x is equal to about 0.01 to about 0.5, the molar ratio of x/z is equal to about 0.5 to about 300, and wherein the composition has a particle size of 5 to 200 μm containing aggregated nanoparticles having particle sizes ranging from 3 to 500 nm.