3823131

Information

• Patent Grant
• 3823131

• References
• Source

• Patent Number

  3,823,131

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1974
  50 years ago

• CPC

  • C09B31/047 - containing acid groups
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing