1958277

Information

• Patent Grant
• 1958277

• References
• Source

• Patent Number

  1,958,277

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1934
  90 years ago

• CPC

  • C10B55/04 - with moving solid materials

• US Classifications

  • 208 - Mineral oils: processes and products
  • 201 - Distillation: processes, thermolytic
  • 202 - Distillation: apparatus