3741721

Information

• Patent Grant
• 3741721

• References
• Source

• Patent Number

  3,741,721

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • D06P3/62 - using direct dyes
  • D06P1/645 - Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
  • D06P3/64 - using mordant dyes or metallisable dyes
  • D06P5/06 - containing nitrogen

• US Classifications

  • 008 - Bleaching and dyeing