Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Silica gel










Image Number 4 for United States Patent #7074376.

A method of producing a silica gel by hydrolyzing a silicon alkoxide and subjecting the resulting hydrogel to a hydrothermal treatment substantially without aging it is described. Also described in a silica gel produced by such a method and a silica gel which has the following characteristics: (a) the pore volume is from 0.6 to 1.6 ml/g, (b) the specific surface area is from 300 to 900 m.sup.2/g, (c) the mode diameter (Dmax) of pores is less than 20 nm, (d) the volume of pores having diameters within .+-.20% of Dmax is at least 50% of the total pore volume, (e) it is amorphous, and (f) the content of metal impurities is at most 500 ppm.








 
 
  Recently Added Patents
Collating device, collating method, and program
Fishing apparatus
Magnifying glass
Method and arrangement for controlling semiconductor component
Method of applying a spherical correction to map data for rendering direction-of-travel paths on a wireless communications device
Plural component proportioner
Method and system for electronic assistance in dispensing pharmaceuticals
  Randomly Featured Patents
Floatable oxygen-absorbing cartridge
Embedding of games into third party websites
Non-slip luminescent device for surfaces such as stair treads
Steel with a composition of iron, carbon, silicon, phosphorus and molybdenum
Low weight reciprocating engine
Piezoelectric actuator with a sheath, for disposition in a piezoelectric injector
Clothing accessory device having a whistle and a thermometer
Forklift linkage device
Optical pickup
Safety valve having extension spring closure mechanism