2422790

Information

• Patent Grant
• 2422790

• References
• Source

• Patent Number

  2,422,790

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1947
  77 years ago

• CPC

  • C10B55/04 - with moving solid materials

• US Classifications

  • 208 - Mineral oils: processes and products