3620663

Information

• Patent Grant
• 3620663

• References
• Source

• Patent Number

  3,620,663

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • C09B47/32 - Cationic phthalocyanine dyes
  • C09B1/002 - containing onium groups
  • C09B1/51 - N-substituted amino-hydroxy anthraquinone
  • C09B11/10 - Amino derivatives of triarylmethanes
  • C09B23/105 - two >CH- groups
  • C09B23/143 - the ethylene chain carrying a COOH or a functionally modified derivative, e.g.-CN, -COR, -COOR, -CON=, C6H5-CH=C-CN
  • C09B51/00 - Nitro or nitroso dyes
  • C09B62/443 - the reactive group being alternatively specified
  • C09B69/001 - Dyes containing an onium group attached to the dye skeleton via a bridge
  • Y10S8/922 - Polyester fiber
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 008 - Bleaching and dyeing