3320275

Information

• Patent Grant
• 3320275

• References
• Source

• Patent Number

  3,320,275

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1967
  57 years ago

• CPC

  • C09B47/32 - Cationic phthalocyanine dyes
  • C09B47/12 - Obtaining compounds having alkyl radicals, or alkyl radicals substituted by hetero atoms, bound to the phthalocyanine skeleton
  • C09B47/16 - having alkyl radicals substituted by nitrogen atoms
  • Y10S8/919 - Paper

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing