3526639

Information

• Patent Grant
• 3526639

• References
• Source

• Patent Number

  3,526,639

• Date Filed

  Not available

• Date Issued

  Tuesday, September 1, 1970
  54 years ago

• CPC

  • C09B1/5145 - only amino and hydroxy groups
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 549 - Organic compounds
  • 008 - Bleaching and dyeing
  • 552 - Organic compounds