2642273

Information

• Patent Grant
• 2642273

• References
• Source

• Patent Number

  2,642,273

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • C04B20/061 - in rotary kilns

• US Classifications

  • 432 - Heating
  • 252 - Compositions