3031253

Information

• Patent Grant
• 3031253

• References
• Source

• Patent Number

  3,031,253

• Date Filed

  Not available

• Date Issued

  Tuesday, April 24, 1962
  62 years ago

• CPC

  • D06P1/645 - Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups
  • D06P3/74 - using acid dyes
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 525 - Synthetic resins or natural rubbers