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










Image Number 2 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
Systems and methods for determining muscle force through dynamic gain optimization of a muscle PID controller for designing a replacement prosthetic joint
Fabric-backplane enterprise servers with pluggable I/O sub-system
Computer server capable of supporting CPU virtualization
Push to release cover for a portable electronic device
Harmonic sensor
Image scanner and image forming apparatus
System and method for judging success or failure of work of robot
  Randomly Featured Patents
Extended syndiotactic polystyrene-elastomeric block copolymers
Adjustable lid
Method for modifying a piece of 3D geometry
Control device for the manual playing of electronic musical instruments
Non-volatile memory with reduced mobile ion diffusion
Guard rail cleanout device
Massager
Callistemon `Boyette`
Frame for a scarecrow
Process for determining the mechanical properties of the respiratory system of a respirated patient and device for carrying out the process