3347617

Information

• Patent Grant
• 3347617

• References
• Source

• Patent Number

  3,347,617

• Date Filed

  Not available

• Date Issued

  Tuesday, October 17, 1967
  57 years ago

• CPC

  • D06P1/6425 - Compounds containing hydrazine or azo groups
  • D06L3/1257 - Optical brightening combined with other treatments
  • D06L3/1271 - Optical brightening assistants
  • D06P1/0072 - Heterocyclic compounds
  • D06P1/6426 - Heterocyclic compounds
  • D06P1/66 - containing quaternary ammonium groups
  • H05B6/78 - Arrangements for continuous movement of material
  • Y10S8/917 - Wool or silk
  • Y10S8/919 - Paper
  • Y10S8/922 - Polyester fiber
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 008 - Bleaching and dyeing
  • 544 - Organic compounds