3888913

Information

• Patent Grant
• 3888913

• References
• Source

• Patent Number

  3,888,913

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • C07D307/91 - Dibenzofurans Hydrogenated dibenzofurans
  • C07C317/00 - Sulfones Sulfoxides
  • C07C317/14 - having sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings
  • C07C317/22 - with sulfone or sulfoxide groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
  • C07C323/66 - containing sulfur atoms of sulfo, esterified sulfo or halosulfonyl groups, bound to the carbon skeleton
  • C07D333/76 - Dibenzothiophenes
  • D06P1/56 - Condensation products or precondensation products prepared with aldehydes
  • D06P1/62 - using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
  • D06P1/621 - Compounds without nitrogen
  • D06P1/625 - Aromatic
  • D06P3/24 - polyamides polyurethanes
  • D06P3/8209 - mixtures of fibres containg amide groups
  • Y10S8/924 - Polyamide fiber
  • Y10S8/926 - Polyurethane fiber
  • Y10S8/927 - Polyacrylonitrile fiber

• US Classifications

  • 562 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds