1981914

Information

• Patent Grant
• 1981914

• References
• Source

• Patent Number

  1,981,914

• Date Filed

  Not available

• Date Issued

  Tuesday, November 27, 1934
  90 years ago

• CPC

  • C10G9/06 - by pressure distillation
  • C10G9/14 - in pipes or coils with or without auxiliary means

• US Classifications

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