3909198

Information

• Patent Grant
• 3909198

• References
• Source

• Patent Number

  3,909,198

• Date Filed

  Not available

• Date Issued

  Tuesday, September 30, 1975
  50 years ago

• CPC

  • C09B23/143 - the ethylene chain carrying a COOH or a functionally modified derivative, e.g.-CN, -COR, -COOR, -CON=, C6H5-CH=C-CN
  • D06P1/13 - using azomethine dyes
  • Y10S8/04 - Polyester fibers
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 558 - Organic compounds