3857864

Information

• Patent Grant
• 3857864

• References
• Source

• Patent Number

  3,857,864

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • C09B62/004 - Anthracene dyes
  • Y10S8/917 - Wool or silk
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 548 - Organic compounds