1873454

Information

• Patent Grant
• 1873454

• References
• Source

• Patent Number

  1,873,454

• Date Filed

  Not available

• Date Issued

  Tuesday, August 23, 1932
  92 years ago

• CPC

  • C10G9/02 - in retorts
  • C10G7/00 - Distillation of hydrocarbon oils

• US Classifications

  • 208 - Mineral oils: processes and products
  • 196 - Mineral oils: apparatus