3481918

Information

• Patent Grant
• 3481918

• References
• Source

• Patent Number

  3,481,918

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1969
  55 years ago

• CPC

  • C09B44/108 - characterised by a cyclammonium six-membered specific ring not mentioned hereafter
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing