2274387

Information

• Patent Grant
• 2274387

• References
• Source

• Patent Number

  2,274,387

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1942
  82 years ago

• CPC

  • D06P3/8228 - using one kind of dye

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds