3320021

Information

• Patent Grant
• 3320021

• References
• Source

• Patent Number

  3,320,021

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1967
  58 years ago

• CPC

  • C09B1/346 - only sulfonated in a substituent
  • Y10S8/917 - Wool or silk
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 008 - Bleaching and dyeing