671994

Information

• Patent Grant
• 671994

• References
• Source

• Patent Number

  671,994

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1901
  123 years ago

• CPC

  • D06P1/81 - using dyes dissolved in inorganic solvents

• US Classifications

  • 008 - Bleaching and dyeing
  • 548 - Organic compounds