2772943

Information

• Patent Grant
• 2772943

• References
• Source

• Patent Number

  2,772,943

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1956
  68 years ago

• CPC

  • D06P3/74 - using acid dyes
  • Y10S8/901 - Quaternary ammonium salts
  • Y10S8/909 - Sulfonated or sulfated alphatic hydrocarbons
  • Y10S8/917 - Wool or silk
  • Y10S8/927 - Polyacrylonitrile fiber
  • Y10S8/931 - Washing or bleaching

• US Classifications

  • 008 - Bleaching and dyeing