3577429

Information

• Patent Grant
• 3577429

• References
• Source

• Patent Number

  3,577,429

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1971
  53 years ago

• CPC

  • C09B47/28 - Phthalocyanine dyes containing -S-SO3H radicals
  • C09B49/122 - from phthalocyanine compounds
  • D06P1/305 - SO3H-groups containing dyes

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing