2152454

Information

• Patent Grant
• 2152454

• References
• Source

• Patent Number

  2,152,454

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1939
  85 years ago

• CPC

  • C10K1/085 - two direct washing treatments, one with an aquous liquid and one with a non-aqueous liquid

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 208 - Mineral oils: processes and products