2825420

Information

• Patent Grant
• 2825420

• References
• Source

• Patent Number

  2,825,420

• Date Filed

  Not available

• Date Issued

  Tuesday, March 4, 1958
  66 years ago

• CPC

  • C04B41/009 - characterised by the material treated
  • C04B38/0695 - Physical aspects of the porous material obtained
  • C04B41/0018 - Coating or impregnating "in situ"
  • C04B41/50 - with inorganic materials
  • C04B41/85 - with inorganic materials
  • Y10S264/63 - Processes of molding porous blocks

• US Classifications

  • 181 - Acoustics
  • 052 - Static structures
  • 264 - Plastic and nonmetallic article shaping or treating: processes