3546212

Information

• Patent Grant
• 3546212

• References
• Source

• Patent Number

  3,546,212

• Date Filed

  Not available

• Date Issued

  Tuesday, December 8, 1970
  54 years ago

• CPC

  • C07D239/26 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07D239/30 - Halogen atoms or nitro radicals
  • C07D239/54 - as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
  • D06P1/44 - using insoluble pigments or auxiliary substances
  • D06P3/80 - inorganic fibres
  • D06P3/854 - containing modified or unmodified fibres, i.e. containing the same type of fibres having different characteristics

• US Classifications

  • 540 - Organic compounds