2921839

Information

• Patent Grant
• 2921839

• References
• Source

• Patent Number

  2,921,839

• Date Filed

  Not available

• Date Issued

  Tuesday, January 19, 1960
  65 years ago

• CPC

  • C01B33/187 - by acidic treatment of silicates
  • C01B33/166 - by acidification of silicate in the presence of an inert organic phase
  • C01B33/18 - Preparation of finely divided silica neither in sol nor in gel form After-treatment thereof
  • C01P2004/32 - Spheres
  • C01P2004/50 - Agglomerated particles
  • C01P2004/61 - Micrometer sized

• US Classifications

  • 423 - Chemistry of inorganic compounds