2863875

Information

• Patent Grant
• 2863875

• References
• Source

• Patent Number

  2,863,875

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1958
  66 years ago

• CPC

  • C09B47/12 - Obtaining compounds having alkyl radicals, or alkyl radicals substituted by hetero atoms, bound to the phthalocyanine skeleton
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B19/02 - Bisoxazines prepared from aminoquinones
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B47/26 - Amide radicals
  • C09B62/62 - the reactive group being an ethylenimino or N-acylated ethylenimino group or a -CO-NH-CH2-CH2-X group, wherein X is a halogen atom, a quaternary ammonium group or O-acyl and acyl is derived from an organic or inorganic acid, or a beta-substituted ethylamine group
  • C09B69/001 - Dyes containing an onium group attached to the dye skeleton via a bridge

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing
  • 534 - Organic compounds
  • 544 - Organic compounds
  • 552 - Organic compounds
  • 562 - Organic compounds