1893417

Information

• Patent Grant
• 1893417

• References
• Source

• Patent Number

  1,893,417

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1933
  92 years ago

• CPC

  • C10L5/04 - Raw material of mineral origin to be used Pretreatment thereof
  • C10L5/38 - Briquettes consisting of different layers

• US Classifications

  • 044 - Fuel and related compositions
  • 201 - Distillation: processes, thermolytic