1844899

Information

• Patent Grant
• 1844899

• References
• Source

• Patent Number

  1,844,899

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1932
  92 years ago

• CPC

  • C10C1/005 - by mixing two or more coaltar fractions

• US Classifications

  • 208 - Mineral oils: processes and products