1615520

Information

• Patent Grant
• 1615520

• References
• Source

• Patent Number

  1,615,520

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1927
  98 years ago

• CPC

  • D06P1/67366 - Phosphates or polyphosphates
  • D06P1/0008 - Dyeing processes in which the dye is not specific (waste liquors)
  • D06P3/04 - containing amide groups
  • Y10S8/917 - Wool or silk

• US Classifications

  • 008 - Bleaching and dyeing
  • 346 - Recorders