3649652

Information

• Patent Grant
• 3649652

• References
• Source

• Patent Number

  3,649,652

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • C09B1/34 - sulfonated
  • C09B1/346 - only sulfonated in a substituent
  • Y10S8/917 - Wool or silk
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 552 - Organic compounds