1663451

Information

• Patent Grant
• 1663451

• References
• Source

• Patent Number

  1,663,451

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1928
  96 years ago

• CPC

  • D06P1/6495 - Compounds containing carbonamide -RCON= (R=H or hydrocarbons)
  • D06P3/6016 - using basic dyes
  • Y10S8/918 - Cellulose textile

• US Classifications

  • 008 - Bleaching and dyeing