2641524

Information

• Patent Grant
• 2641524

• References
• Source

• Patent Number

  2,641,524

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1953
  71 years ago

• CPC

  • D06P3/74 - using acid dyes
  • C08F8/00 - Chemical modification by after-treatment
  • C08F220/44 - Acrylonitrile
  • D01F6/18 - from polymers of unsaturated nitriles
  • D06M11/30 - with oxides of halogens, oxyacids of halogens or their salts
  • Y10S8/06 - Resin bleach
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

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