3574646

Information

• Patent Grant
• 3574646

• References
• Source

• Patent Number

  3,574,646

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1971
  53 years ago

• CPC

  • B01D39/2093 - Ceramic foam
  • C04B38/0625 - involving a foaming step of the burnable material
  • C08J9/04 - using blowing gases generated by a previously added blowing agent

• US Classifications

  • 501 - Compositions: ceramic
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 521 - Synthetic resins or natural rubbers